S. Perlmutter

Publication List Details

Period

1993 - 2009

Number

224

Co-Authors

HST Discovery of a z = 3.9 Multiply Imaged Galaxy Behind the Complex Cluster Lens WARPS J1415.1+36 at z = 1.026 (2009)

Huang, X., Morokuma, T., Fakhouri, H. K., Aldering, G., Amanullah, R., Barbary, K., ...

We report the discovery of a multiply lensed Ly Alpha (Lya) emitter at z = 3.90 behind the massive galaxy cluster WARPS J1415.1+3612 at z = 1.026. Images taken by the Hubble Space Telescope(HST)...

An Intensive Hubble Space Telescope Survey for z > 1 Type Ia Supernovae by Targeting Galaxy Clusters (2009)

Dawson, K. S., Aldering, G., Amanullah, R., Barbary, K., Barrientos, L. F., Brodwin, M., ...

We present a new survey strategy to discover and study high-redshift Type Ia supernovae (SNe Ia) using the Hubble Space Telescope (HST). By targeting massive galaxy clusters at 0.9 < z < 1.5, we...

Hubble Space Telescope Weak-lensing Study of the Galaxy Cluster XMMU J2235.3-2557 at z=1.4: A Surprisingly Massive Galaxy Cluster when the Universe is One-third of its Current Age (2009)

Jee, M. J., Rosati, P., Ford, H. C., Dawson, K. S., Lidman, C., Perlmutter, S., ...

We present a weak-lensing analysis of the z=1.4 galaxy cluster XMMU J2235.3-2557, based on deep Advanced Camera for Surveys images. Despite the observational challenge set by the high redshift of the...

An Intensive HST Survey for z>1 Supernovae by Targeting Galaxy Clusters (2009)

Dawson, K. S., Aldering, G., Amanullah, R., Barbary, K., Barrientos, L. F., Brodwin, M., ...

We present a new survey strategy to discover and study high redshift Type Ia supernovae (SNe Ia) using the Hubble Space Telescope (HST). By targeting massive galaxy clusters at 0.9

Constraining dust and color variations of high-z SNe using NICMOS on Hubble Space Telescope (2009)

Nobili, S., Fadeyev, V., Aldering, G., Amanullah, R., Barbary, K., Burns, M. S., ...

We present data from the Supernova Cosmology Project for five high redshift Type Ia supernovae (SNe Ia) that were obtained using the NICMOS infrared camera on the Hubble Space Telescope. We add two...

Using Spectral Flux Ratios to Standardize SN Ia Luminosities (2009)

Bailey, S., Aldering, G., Antilogus, P., Aragon, C., Baltay, C., Bongard, S., ...

We present a new method to standardize Type Ia supernova (SN Ia) luminosities to ~

Type Ia supernova science 2010-2020 (2009)

Howell, D. A., Conley, A., Della Valle, M., Nugent, P. E., Perlmutter, S., Marion, G. H., ...

In the next decade Type Ia supernovae (SNe Ia) will be used to test theories predicting changes in the Dark Energy equation of state with time. Ultimately this requires a dedicated space mission like...

Initial Hubble Diagram Results from the Nearby Supernova Factory (2008)

Bailey, S., Aldering, G., Antilogus, P., Aragon, C., Baltay, C., Bongard, S., ...

The use of Type Ia supernovae as distance indicators led to the discovery of the accelerating expansion of the universe a decade ago. Now that large second generation surveys have significantly...

Improved Cosmological Constraints from New, Old, and Combined Supernova Data Sets (2008)

Kowalski, M., Rubin, D., Aldering, G., Agostinho, R. J., Amadon, A., Amanullah, R., ...

We present a new compilation of Type Ia supernovae (SNe Ia), a new data set of low-redshift nearby-Hubble-flow SNe, and new analysis procedures to work with these heterogeneous compilations. This...

The effect of progenitor age and metallicity on luminosity and 56Ni yield in Type Ia supernovae (2008)

Howell, D. A., Sullivan, M., Brown, E. F., Conley, A., Borgne, D. Le, Hsiao, E. Y., ...

Timmes, Brown & Truran found that metallicity variations could theoretically account for a 25% variation in the mass of 56Ni synthesized in Type Ia supernovae (SNe Ia), and thus account for a large...

Discovery of an Unusual Optical Transient with the Hubble Space Telescope (2008)

Barbary, K., Dawson, K. S., Tokita, K., Aldering, G., Amanullah, R., Connolly, N. V., ...

We present observations of SCP 06F6, an unusual optical transient discovered during the Hubble Space Telescope Cluster Supernova Survey. The transient brightened over a period of ~100 days, reached a...

Looking Beyond Lambda with the Union Supernova Compilation (2008)

Rubin, D., Linder, E. V., Kowalski, M., Aldering, G., Amanullah, R., Barbary, K., ...

The recent robust and homogeneous analysis of the world's supernova distance-redshift data, together with cosmic microwave background and baryon acoustic oscillation data, provides a powerful tool...

Clustering of supernova Ia host galaxies (2008)

Carlberg, R. G., Sullivan, M., Borgne, D. Le, Conley, A., Howell, D. A., Perrett, K., ...

For the first time the cross-correlation between type Ia supernova host galaxies and surrounding field galaxies is measured using the Supernova Legacy Survey sample. Over the z=0.2 to 0.9 redshift...

Improved Cosmological Constraints from New, Old and Combined Supernova Datasets (2008)

Kowalski, M., Rubin, D., Aldering, G., Agostinho, R. J., Amadon, A., Amanullah, R., ...

We present a new compilation of Type Ia supernovae (SNe Ia), a new dataset of low-redshift nearby-Hubble-flow SNe and new analysis procedures to work with these heterogeneous compilations. This...

Type Ia supernovae rates and galaxy clustering from the CFHT supernova legacy survey (2008)

Graham, M. L., Pritchet, C. J., Sullivan, M., Gwyn, S. D. J., Neill, J. D., Hsiao, E. Y., ...

The Canada-France-Hawaii Telescope Supernova Legacy Survey (CFHT SNLS) has created a large homogeneous database of intermediate redshift (0.2 < z < 1.0) type Ia supernovae (SNe Ia). The SNLS team has...

Measurement of Ωm, ΩΛ from a blind analysis of Type Ia supernovae with CMAGIC: Using color information to verify the acceleration of the Universe (2008)

A. Conley, G. Goldhaber, L. Wang, G. Aldering, R. Amanullah, E. D. Commins, ...

We present measurements of Ωm and ΩΛ from a blind analysis of 21 high redshift supernovae using a new technique (CMAGIC) for fitting the multicolor lightcurves of Type Ia supernovae, first...

Type Ia Supernovae Rates and Galaxy Clustering from the CFHT Supernova Legacy Survey (2008)

Graham, M. L., Pritchet, C. J., Sullivan, M., Gwyn, S. D. J., Neill, J. D., Hsiao, E. Y., ...

The Canada-France-Hawaii Telescope Supernova Legacy Survey (SNLS) has created a large homogeneous database of intermediate redshift (0.2 < z < 1.0) type Ia supernovae (SNe Ia). The SNLS team has...

Improved cosmological constraints from new, old, and combined supernova data sets (2008)

Kowalski, M., Rubin, D., Aldering, G., Agostinho, R. J., Amadon, A., Amanullah, R., ...

We present a new compilation of Type Ia supernovae (SNe Ia), a new data set of low-redshift nearby-Hubble-flow SNe, and new analysis procedures to work with these heterogeneous compilations. This...

A Supernova at (2007)

And Implications, S. Perlmutter, C. R. Pennypacker, G. Goldhaber, A. Goobar, R. A. Muller, ...

We have begun a program to discover high-redshift supernovae (z ß 0.25--0.5), and study them with follow-up photometry and spectroscopy. We report here our first discovery, a supernova at z = 0:458....

AND (2007)

R. Pain, I. M. Hook, S. Perlmutter, S. Deustua, S. Gabi, G. Goldhaber, ...

Abstract. We present the first measurement of the rate of Type Ia supernovae at high redshift. The result is derived using a large subset of data from the Supernova Cosmology Project as described in...

G. Goldhaber, (2007)

S. Perlmutter, D. E. Groom, I. M. Hook, A. G. Kim, M. Y. Kim, J. C. Lee, ...

R. Pain, 5 R. S. Ellis, 6 R. G. McMahon, 6 B. J. Boyle,

1 (2007)

R. Pain, I. M. Hook, S. Deustua, S. Gabi, G. Goldhaber, D. Groom, ...

, R. S. Ellis 7, R. G. McMahon 7, K. Glazebrook

Royal Greenwich Observatory (2007)

A. Kim, S. Deustua, S. Gabi, G. Goldhaber, D. Groom, I. Hook, ...

Cross-filter K corrections for a sample of &quot;normal &quot; Type Ia supernovae (SNe) have been calculated for a range of epochs. With appropriate filter choices, the combined statistical...

Royal Greenwich Observatory (2007)

S. Deustua, S. Gabi, D. Groom, I. Hook, A. Kim, M. Kim, ...

Abstract. This work is based on the first results from a systematic search for high redshift Type Ia supernovae. Using filters in the R-band we discovered seven such SNe, with redshift z = 0:3 \Gamma...

Royal Greenwich Observatory (2007)

S. Perlmutter, S. Deustua, S. Gabi, G. Goldhaber, D. Groom, I. Hook, ...

Our search for high-redshift Type Ia supernovae discovered, in its first years, a sample of seven supernovae. Using a &quot;batch &quot; search strategy, almost all were discovered before...

Discovery of a Supernova Explosion at Half the Age of the Universe and its Cosmological Implications (2007)

S. Perlmutter, G. Aldering, M. Della Valle, S. Deustua, R. S. Ellis, S. Fabbro, ...

, Munich, Germany 11 L.P.C.C. Coll`ege de France, Paris, France 12 European Southern Observatory, La Silla, Chile 13 Space Telescope Science Institute, Baltimore, Maryland, USA; affiliated with the...

A 200 &times; 200 CCD Image Sensor Fabricated On High-Resistivity Silicon (2007)

S.E. Holland, G. Goldhaber, D. E. Groom, W. W. Moses, C.R. Pennypacker, S. Perlmutter, ...

A charge coupled device (CCD) image sensor fabricated on high-resistivity silicon is described. The resistivity, about 10,000 \Omega\Gamma000 allows for operation of the CCD with the entire 300 ¯m...

A New Determination of the High Redshift Type Ia Supernova Rates with the Hubble Space Telescope Advanced Camera for Surveys (2007)

Kuznetsova, N., Barbary, K., Connolly, B., Kim, A. G., Pain, R., Roe, N. A., ...

We present a new measurement of the volumetric rate of Type Ia supernova up to a redshift of 1.7, using the Hubble Space Telescope (HST) GOODS data combined with an additional HST dataset covering...

SNLS Spectroscopy: Testing for Evolution in Type Ia Supernovae (2007)

Bronder, T. J., Hook, I. M., Astier, P., Balam, D., Balland, C., Basa, S., ...

Aims: We present a quantitative study of a new data set of high redshift Type Ia supernovae spectra, observed at the Gemini telescopes during the first 34 months of the Supernova Legacy Survey....

The Supernova Legacy Survey: Measurement of $\Omega_M$, $\Omega_\Lambda$ and w from the First Year Data Set (2007)

Astier, P., Guy, J., Regnault, N., Pain, R., Aubourg, E., Balam, D., ...

We present distance measurements to 71 high redshift type Ia supernovae discovered during the first year of the 5-year Supernova Legacy Survey (SNLS). These events were detected and their multi-color...

The Supernova Legacy Survey: Measurement of $\Omega_M$, $\Omega_\Lambda$ and w from the First Year Data Set (2007)

Astier, P., Guy, J., Regnault, N., Pain, R., Aubourg, E., Balam, D., ...

We present distance measurements to 71 high redshift type Ia supernovae discovered during the first year of the 5-year Supernova Legacy Survey (SNLS). These events were detected and their multi-color...

The Supernova Legacy Survey: Measurement of $\Omega_M$, $\Omega_\Lambda$ and w from the First Year Data Set (2007)

Astier, P., Guy, J., Regnault, N., Pain, R., Aubourg, E., Balam, D., ...

We present distance measurements to 71 high redshift type Ia supernovae discovered during the first year of the 5-year Supernova Legacy Survey (SNLS). These events were detected and their multi-color...

Quantitative comparison between Type Ia supernova spectra at low and high redshifts: A case study (2007)

Garavini, G., Folatelli, G., Nobili, S., Aldering, G., Amanullah, R., Antilogus, P., ...

We develop a method to measure the strength of the absorption features in Type Ia supernova (SN Ia) spectra and use it to make a quantitative comparison between the spectra of Type Ia supernovae at...

Quantitative comparison between Type Ia supernova spectra at low and high redshifts: A case study (2007)

Garavini, G., Folatelli, G., Nobili, S., Aldering, G., Amanullah, R., Antilogus, P., ...

We develop a method to measure the strength of the absorption features in Type Ia supernova (SN Ia) spectra and use it to make a quantitative comparison between the spectra of Type Ia supernovae at...

Rest-Frame R-band Lightcurve of a z~1.3 Supernova Obtained with Keck Laser Adaptive Optics (2007)

Melbourne, J., Dawson, K. S., Koo, D. C., Max, C., Larkin, J. E., Wright, S. A., ...

We present Keck diffraction limited H-band photometry of a z~1.3 Type Ia supernova (SN) candidate, first identified in a Hubble Space Telescope (HST) search for SNe in massive high redshift galaxy...

Scheduled Discoveries of 7+ High-Redshift Supernovae: First Cosmology Results and Bounds on $q_0$ (2007)

Perlmutter, S., Deustua, S., Gabi, S., Goldhaber, G., Groom, D., Hook, I., ...

Our search for high-redshift Type Ia supernovae discovered, in its first years, a sample of seven supernovae. Using a "batch" search strategy, almost all were discovered before maximum light and were...

The Type Ia Supernova Rate at z $\sim$ 0.4 (2007)

Pain, R., Hook, I., Perlmutter, S., Deustua, S., Gabi, S., Goldhaber, G., ...

We present the first measurement of the rate of Type Ia supernovae at high redshift. The result is derived using a large subset of data from the Supernova Cosmology Project as described in more...

Observation of Cosmological Time Dilation using Type Ia Supernovae as Clocks (2007)

Goldhaber, G., Deustua, S., Gabi, S., Groom, D., Hook, I., Kim, A., ...

This work is based on the first results from a systematic search for high redshift Type Ia supernovae. Using filters in the R-band we discovered seven such SNe, with redshift z = 0.3 - 0.5, before or...

K Corrections For Type Ia Supernovae and a Test for Spatial Variation of the Hubble Constant (2007)

Kim, A., Deustua, S., Gabi, S., Goldhaber, G., Groom, D., Hook, I., ...

Cross-filter K corrections for a sample of "normal" Type Ia supernovae (SNe) have been calculated for a range of epochs. With appropriate filter choices, the combined statistical and systematic K...

The nearby supernova factory (2007)

Wood-Vasey, W.M., Aldering, G., Lee, B.C., Loken, S., Nugent, P., Perlmutter, S., ...

The Nearby Supernova Factory (SNfactory) is an ambitious project to find and study in detail approximately 300 nearby Type Ia supernovae (SNe~Ia) at redshifts 0.03

Measurement of $\Omega_m$, $\Omega_{\Lambda}$ from a blind analysis of Type Ia supernovae with CMAGIC: Using color information to verify the acceleration of the Universe (2007)

Conley, A., Goldhaber, G., Wang, L., Aldering, G., Amanullah, R., Commins, E. D., ...

We present measurements of \Omega_m and \Omega_{\Lambda} from a blind analysis of 21 high-redshift supernovae using a new technique (CMAGIC) for fitting the multi-color lightcurves of Type Ia...

New Constraints on $\Omega_M$, $\Omega_\Lambda$, and w from an Independent Set of Eleven High-Redshift Supernovae Observed with HST (2007)

Knop, R. A., Aldering, G., Amanullah, R., Astier, P., Blanc, G., Burns, M. S., ...

We report measurements of $\Omega_M$, $\Omega_\Lambda$, and w from eleven supernovae at z=0.36-0.86 with high-quality lightcurves measured using WFPC-2 on the HST. This is an independent set of...

The distant Type Ia supernova rate (2007)

Pain, R., Fabbro, S., Sullivan, M., Ellis, R. S., Aldering, G., Astier, P., ...

We present a measurement of the rate of distant Type Ia supernovae derived using 4 large subsets of data from the Supernova Cosmology Project. Within this fiducial sample, which surveyed about 12...

The Hubble Diagram of Type Ia Supernovae as a Function of Host Galaxy Morphology (2007)

Sullivan, M., Ellis, R. S., Aldering, G., Amanullah, R., Astier, P., Blanc, G., ...

(Abridged) We present new results on the Hubble diagram of distant type Ia supernovae (SNe Ia) segregated according to the type of host galaxy. This makes it possible to check earlier evidence for a...

Timescale Stretch Parameterization of Type Ia Supernova B-band Light Curves (2007)

Goldhaber, G., Groom, D. E., Kim, A., Aldering, G., Astier, P., Conley, A., ...

R-band intensity measurements along the light curve of Type Ia supernovae discovered by the Supernova Cosmology Project (SCP) are fitted in brightness to templates allowing a free parameter the...

Cosmology from Type Ia Supernovae (2007)

Perlmutter, S., Aldering, G., Deustua, S., Fabbro, S., Goldhaber, G., Groom, D. E., ...

This presentation reports on first evidence for a low-mass-density/positive-cosmological-constant universe that will expand forever, based on observations of a set of 40 high-redshift supernovae. The...

Measurements of Omega and Lambda from 42 High-Redshift Supernovae (2007)

Perlmutter, S., Aldering, G., Goldhaber, G., Knop, R. A., Nugent, P., Castro, P. G., ...

We report measurements of the mass density, Omega_M, and cosmological-constant energy density, Omega_Lambda, of the universe based on the analysis of 42 Type Ia supernovae discovered by the Supernova...

Discovery of a Supernova Explosion at Half the Age of the Universe and its Cosmological Implications (2007)

Perlmutter, S., Aldering, G., Della Valle, M., Deustua, S., Ellis, R. S., Fabbro, S., ...

The ultimate fate of the universe, infinite expansion or a big crunch, can be determined by measuring the redshifts, apparent brightnesses, and intrinsic luminosities of very distant supernovae....

Measurements of the Cosmological Parameters $\Omega$ and $\Lambda$ from the First 7 Supernovae at $z \geq$ 0.35 (2007)

Perlmutter, S., Gabi, S., Goldhaber, G., Groom, D. E., Hook, I. M., Kim, A. G., ...

We have developed a technique to systematically discover and study high-redshift supernovae that can be used to measure the cosmological parameters. We report here results based on the initial seven...

Implications For The Hubble Constant from the First Seven Supernovae at $z \geq$ 0.35 (2007)

Kim, A.G., Gabi, S., Goldhaber, G., Groom, D. E., Hook, I. M., Kim, M. Y., ...

The Supernova Cosmology Project has discovered over twenty-eight supernovae (SNe) at 0.35

The Type Ia Supernova Rate at z$\sim 0.4 $ (2007)

Pain, R., Hook, I. M., Deustua, S., Gabi, S., Goldhaber, G., Goobar, A., ...

We present the first measurement of the rate of Type Ia supernovae at high redshift. The result is derived using a large subset of data from the Supernova Cosmology Project. Three supernovae were...

The nearby supernova factory (2007)

Wood-Vasey, W.M., Aldering, G., Lee, B.C., Loken, S., Nugent, P., Perlmutter, S., ...

The Nearby Supernova Factory (SNfactory) is an ambitious project to find and study in detail approximately 300 nearby Type Ia supernovae (SNe~Ia) at redshifts 0.03

The nearby supernova factory (2007)

Wood-Vasey, W.M., Aldering, G., Lee, B.C., Loken, S., Nugent, P., Perlmutter, S., ...

The Nearby Supernova Factory (SNfactory) is an ambitious project to find and study in detail approximately 300 nearby Type Ia supernovae (SNe~Ia) at redshifts 0.03

The Supernova Type Ia Rate Evolution with SNLS (2007)

Neill, J. D., Sullivan, M., Balam, D., Pritchet, C. J., Howell, D. A., Perrett, K., ...

We present a progress report on a project to derive the evolution of the volumetric supernova Type Ia rate from the Supernova Legacy Survey. Our preliminary estimate of the rate evolution divides the...

Nearby Supernova Factory Observations of SN 2006D: On Sporadic Carbon Signatures in Early Type Ia Supernova Spectra (2007)

Thomas, R.C., Aldering, G., Antilogus, P., Aragon, C., Bailey, S., Baltay, C., ...

We present four spectra of the Type Ia supernova (SN Ia) 2006D extending from -7 to +13 days with respect to B-band maximum. The spectra include the strongest signature of unburned material at...

The Rise Time of Type Ia Supernovae from the Supernova Legacy Survey (2007)

Conley, A., Howell, D. A., Howes, A., Sullivan, M., Astier, P., Balam, D., ...

We compare the rise times of nearby and distant Type Ia supernovae (SNe Ia) as a test for evolution using 73 high-redshift spectroscopically-confirmed SNe Ia from the first two years of the five year...

The Supernova Type Ia Rate Evolution with SNLS (2007)

Neill, J. D., Sullivan, M., Balam, D., Pritchet, C. J., Howell, D. A., Perrett, K., ...

We present a progress report on a project to derive the evolution of the volumetric supernova Type Ia rate from the Supernova Legacy Survey. Our preliminary estimate of the rate evolution divides the...

The Supernovae Integral Field Spectrograph: keys to high-precision spectro-photometry (2007)

Buton, C., Copin, Y., Gangler, E., Smadja, G., Pecontal, E., Rigaudier, G., ...

The Supernovae Integral Field Spectrograph: keys to a better spectro-photometry The Nearby Supernova Factory aims at discovering and observing a sample of type Ia supernovae through the dedicated...

The Nearby Supernova Factory: toward a high-precision spectro-photometry (2007)

Copin, Y., Buton, C., Gangler, E., Smadja, G., Pecontal, E., Rigaudier, G., ...

The Nearby Supernova Factory (SNfactory) is an international project to discover and study a large sample of type Ia supernovae in the redshift range 0.03 < z < 0.08. Follow-up spectro-photometric...

The Supernovae Integral Field Spectrograph: keys to high-precision spectro-photometry (2007)

Buton, C., Copin, Y., Gangler, E., Smadja, G., Pecontal, E., Rigaudier, G., ...

The Supernovae Integral Field Spectrograph: keys to a better spectro-photometry The Nearby Supernova Factory aims at discovering and observing a sample of type Ia supernovae through the dedicated...

The Nearby Supernova Factory: toward a high-precision spectro-photometry (2007)

Copin, Y., Buton, C., Gangler, E., Smadja, G., Pecontal, E., Rigaudier, G., ...

The Nearby Supernova Factory (SNfactory) is an international project to discover and study a large sample of type Ia supernovae in the redshift range 0.03 < z < 0.08. Follow-up spectro-photometric...

The Supernovae Integral Field Spectrograph: keys to high-precision spectro-photometry (2007)

Buton, C., Copin, Y., Gangler, E., Smadja, G., Pecontal, E., Rigaudier, G., ...

The Supernovae Integral Field Spectrograph: keys to a better spectro-photometry The Nearby Supernova Factory aims at discovering and observing a sample of type Ia supernovae through the dedicated...

The Nearby Supernova Factory: toward a high-precision spectro-photometry (2007)

Copin, Y., Buton, C., Gangler, E., Smadja, G., Pecontal, E., Rigaudier, G., ...

The Nearby Supernova Factory (SNfactory) is an international project to discover and study a large sample of type Ia supernovae in the redshift range 0.03 < z < 0.08. Follow-up spectro-photometric...

Restframe I-band Hubble diagram for type Ia supernovae up to redshift z $\sim$ 0.5 (2006)

Nobili, S., Amanullah, R., Garavini, G., Goobar, A., Lidman, C., Stanishev, V., ...

We present a novel technique for fitting restframe I-band light curves on a data set of 42 Type Ia supernovae (SNe Ia). Using the result of the fit, we construct a Hubble diagram with 26 SNe from the...

Spectroscopic confirmation of high-redshift supernovae with the ESO VLT (2006)

Lidman, C., A. Howell, D., Folatelli, G., Garavini, G., Nobili, S., Aldering, G., ...

We present VLT FORS1 and FORS2 spectra of 39 candidate high-redshift supernovae that were discovered as part of a cosmological study using Type Ia supernovae (SNe Ia) over a wide range of redshifts....

Spectroscopic confirmation of high-redshift supernovae with the ESO VLT (2006)

Lidman, C., A. Howell, D., Folatelli, G., Garavini, G., Nobili, S., Aldering, G., ...

We present VLT FORS1 and FORS2 spectra of 39 candidate high-redshift supernovae that were discovered as part of a cosmological study using Type Ia supernovae (SNe Ia) over a wide range of redshifts....

Restframe I-band Hubble diagram for type Ia supernovae up to redshift z $\sim$ 0.5 (2006)

Nobili, S., Amanullah, R., Garavini, G., Goobar, A., Lidman, C., Stanishev, V., ...

We present a novel technique for fitting restframe I-band light curves on a data set of 42 Type Ia supernovae (SNe Ia). Using the result of the fit, we construct a Hubble diagram with 26 SNe from the...

Spectroscopic confirmation of high-redshift supernovae with the ESO VLT (2006)

Lidman, C., A. Howell, D., Folatelli, G., Garavini, G., Nobili, S., Aldering, G., ...

We present VLT FORS1 and FORS2 spectra of 39 candidate high-redshift supernovae that were discovered as part of a cosmological study using Type Ia supernovae (SNe Ia) over a wide range of redshifts....

Restframe I-band Hubble diagram for type Ia supernovae up to redshift z $\sim$ 0.5 (2006)

Nobili, S., Amanullah, R., Garavini, G., Goobar, A., Lidman, C., Stanishev, V., ...

We present a novel technique for fitting restframe I-band light curves on a data set of 42 Type Ia supernovae (SNe Ia). Using the result of the fit, we construct a Hubble diagram with 26 SNe from the...

Nearby Supernova Factory Observations of SN 2006D: On Sporadic Carbon Signatures in Early Type Ia Supernova Spectra (2006)

Aldering, G., Antilogus, P., Aragon, C., Bailey, S., Baltay, C., ...

We present four spectra of the Type Ia supernova (SN Ia) 2006D extending from -7 to +13 days with respect to B-band maximum. The spectra include the strongest signature of unburned material at...

Nearby Supernova Factory Observations of SN 2005gj: Another Type Ia Supernova in a Massive Circumstellar Envelope (2006)

Aldering, G., Antilogus, P., Bailey, S., Baltay, C., Bauer, A., Blanc, N., ...

We report Nearby Supernova Factory observations of SN 2005gj, the second confirmed case of a "hybrid" Type Ia/IIn supernova. Our early-phase photometry of SN 2005gj shows that the interaction is much...

Supernova / Acceleration Probe: A Satellite Experiment to Study the Nature of the Dark Energy (2006)

Aldering, G., Althouse, W., Amanullah, R., Annis, J., Astier, P., Baltay, C., ...

The Supernova / Acceleration Probe (SNAP) is a proposed space-based experiment designed to study the dark energy and alternative explanations of the acceleration of the Universe's expansion by...

Nearby Supernova Factory Observations of SN 2006D: On Sporadic Carbon Signatures in Early Type Ia Supernova Spectra (2006)

Thomas, R.C., Aldering, G., Antilogus, P., Aragon, C., Bailey, S., Baltay, C., ...

We present four spectra of the Type Ia supernova SN Ia 2006D extending from -7 to +13 days with respect to B-band maximum. The spectra include the strongest signature of unburned material at...

Rates and properties of type Ia supernovae as a function of mass and star-formation in their host galaxies (2006)

Sullivan, M., Borgne, D. Le, Pritchet, C. J., Hodsman, A., Neill, J. D., Howell, D. A, ...

(ABRIDGED) We show that Type Ia supernovae (SNe Ia) are formed within both very young and old stellar populations, with observed rates that depend on the stellar mass and mean star-formation rates...

The Type Ia Supernova Rate at z ~0.5 from the Supernova Legacy Survey (2006)

Neill, J. D., Sullivan, M., Balam, D., Pritchet, C. J., Howell, D. A., Perrett, K., ...

We present a measurement of the distant Type Ia supernova rate derived from the first two years of the Canada -- France -- Hawaii Telescope Supernova Legacy Survey. We observed four one-square degree...

Rates and properties of Type Ia supernovae as a function of mass and star formation in their host galaxies (2006)

Sullivan, M., Le Borgne, D., Pritchet, C. J., Hodsman, A., Neill, J. D., Howell, D. A., ...

We show that Type Ia supernovae (SNe Ia) are formed within both very young and old stellar populations, with observed rates that depend on the stellar mass and mean star formation rates (SFRs) of...

An Integral Field Spectrograph for SNAP Supernova Identification (2006)

Ealet, A., Prieto, E., Bonissent, A., Malina, R., Bernstein, G.M., Basa, S., ...

A well-adapted spectrograph concept has been developed for the SNAP (SuperNova/Acceleration Probe) experiment. The goal is to ensure proper identification of Type Ia supernovae and to standardize the...

The Type Ia Supernova Rate at z ~0.5 from the Supernova Legacy Survey (2006)

Neill, J. D., Sullivan, M., Balam, D., Pritchet, C. J., Howell, D. A., Perrett, K., ...

We present a measurement of the distant Type Ia supernova rate derived from the first two years of the Canada -- France -- Hawaii Telescope Supernova Legacy Survey. We observed four one-square degree...

The Rise Time of Type Ia Supernovae from the Supernova Legacy Survey (2006)

Conley, A., Howell, D. A., Howes, A., Sullivan, M., Astier, P., Balam, D., ...

We compare the rise times of nearby and distant Type Ia supernovae (SNe Ia) as a test for evolution using 73 high-redshift spectroscopically-confirmed SNe Ia from the first two years of the five year...

Nearby Supernova Factory Observations of SN 2005gj: Another Type Ia Supernova in a Massive Circumstellar Envelope (2006)

Antilogus, P., Bailey, S., Baltay, C., Bauer, A., Blanc, N., ...

We report Nearby Supernova Factory observations of SN 2005gj, the second confirmed case of a "hybrid" Type Ia/IIn supernova. Our early-phase photometry of SN 2005gj shows that the interaction is much...

Rates and properties of type Ia supernovae as a function of mass and star-formation in their host galaxies (2006)

Sullivan, M., Borgne, D. Le, Pritchet, C. J., Hodsman, A., Neill, J. D., Howell, D. A, ...

(ABRIDGED) We show that Type Ia supernovae (SNe Ia) are formed within both very young and old stellar populations, with observed rates that depend on the stellar mass and mean star-formation rates...

The Type Ia Supernova Rate at z ~0.5 from the Supernova Legacy Survey (2006)

Neill, J. D., Sullivan, M., Balam, D., Pritchet, C. J., Howell, D. A., Perrett, K., ...

We present a measurement of the distant Type Ia supernova rate derived from the first two years of the Canada -- France -- Hawaii Telescope Supernova Legacy Survey. We observed four one-square degree...

Photometric selection of high-redshift type Ia supernovae (2006)

Sullivan, M., Howell, D.A., Perrett, K., Nugent, P., Astier, P., Aubourg, E., ...

We present a method for selecting high-redshift type Ia supernovae (SNe Ia) located via rolling SN searches. The technique, using both color and magnitude information of events from only 2-3 epochs...

Spectroscopic Observations and Analysis of the Peculiar SN 1999aa (2006)

Garavini, G., Folatelli, G., Goobar, A., Nobili, S., Aldering, G., Amadon, A., ...

We present an extensive new time-series of spectroscopic data of the peculiar SN 1999aa in NGC 2595. Our data set includes 25 optical spectra between -11 and +58 days with respect to B-band maximum...

Spectroscopic Observations and Analysis of the Unusual Type Ia SN 1999ac (2006)

Garavini, G., Aldering, G., Amadon, A., Amanullah, R., Astier, P., Balland, C., ...

We present optical spectra of the peculiar Type Ia supernova (SN Ia) 1999ac. The data extend from -15 to +42 days with respect to B-band maximum and reveal an event that is unusual in several...

Measurement of \Omega_m, \Omega_{\Lambda} from a blind analysis of Type Ia supernovae with CMAGIC: Using color information to verify the acceleration of the Universe (2006)

Conley, A., Goldhaber, G., Wang, L., Aldering, G., Amanullah, R., Commins, E. D., ...

We present measurements of \Omega_m and \Omega_{\Lambda} from a blind analysis of 21 high-redshift supernovae using a new technique (CMAGIC) for fitting the multi-color lightcurves of Type Ia...

Spectra of High-Redshift Type Ia Supernovae and a Comparison with their Low-Redshift Counterparts (2006)

Hook, I. M., Howell, D. A., Aldering, G., Amanullah, R., Burns, M. S., Conley, A., ...

We present spectra for 14 high-redshift (0.17 < z < 0.83) supernovae, which were discovered by the Supernova Cosmology Project as part of a campaign to measure cosmological parameters. The spectra...

Gemini Spectroscopy of Supernovae from SNLS: Improving High Redshift SN Selection and Classification (2006)

A. Howell, D., Sullivan, M., Perrett, K., J. Bronder, T., M. Hook, I., Astier, P., ...

We present new techiques for improving the efficiency of supernova (SN) classification at high redshift using 64 candidates observed at Gemini North and South during the first year of the Supernova...

Photometric selection of high-redshift type Ia supernovae (2006)

Sullivan, M., Howell, D.A., Perrett, K., Nugent, P., Astier, P., Aubourg, E., ...

We present a method for selecting high-redshift type Ia supernovae (SNe Ia) located via rolling SN searches. The technique, using both color and magnitude information of events from only 2-3 epochs...

The Supernova Legacy Survey: Measurement of $\Omega_M$, $\Omega_\Lambda$ and w from the First Year Data Set (2006)

Astier, P., Guy, J., Regnault, N., Pain, R., Aubourg, E., Balam, D., ...

We present distance measurements to 71 high redshift type Ia supernovae discovered during the first year of the 5-year Supernova Legacy Survey (SNLS). These events were detected and their multi-color...

Photometric selection of high-redshift type Ia supernovae (2006)

Sullivan, M., Howell, D.A., Perrett, K., Nugent, P., Astier, P., Aubourg, E., ...

We present a method for selecting high-redshift type Ia supernovae (SNe Ia) located via rolling SN searches. The technique, using both color and magnitude information of events from only 2-3 epochs...

The Supernova Legacy Survey: Measurement of $\Omega_M$, $\Omega_\Lambda$ and w from the First Year Data Set (2006)

Astier, P., Guy, J., Regnault, N., Pain, R., Aubourg, E., Balam, D., ...

We present distance measurements to 71 high redshift type Ia supernovae discovered during the first year of the 5-year Supernova Legacy Survey (SNLS). These events were detected and their multi-color...

The Type Ia Supernova Rate at z ~0.5 from the Supernova Legacy Survey (2006)

Neill, J. D., Sullivan, M., Balam, D., Pritchet, C. J., Howell, D. A., Perrett, K., ...

We present a measurement of the distant Type Ia supernova rate derived from the first two years of the Canada -- France -- Hawaii Telescope Supernova Legacy Survey. We observed four one-square degree...

Rates and properties of type Ia supernovae as a function of mass and star-formation in their host galaxies (2006)

Sullivan, M., Borgne, D. Le, Pritchet, C. J., Hodsman, A., Neill, J. D., Howell, D. A, ...

(ABRIDGED) We show that Type Ia supernovae (SNe Ia) are formed within both very young and old stellar populations, with observed rates that depend on the stellar mass and mean star-formation rates...

Nearby Supernova Factory Observations of SN 2005gj: Another Type Ia Supernova in a Massive Circumstellar Envelope (2006)

Aldering, G., Antilogus, P., Bailey, S., Baltay, C., Bauer, A., Blanc, N., ...

We report Nearby Supernova Factory observations of SN 2005gj, the second confirmed case of a "hybrid" Type Ia/IIn supernova. Our early-phase photometry of SN 2005gj shows that the interaction is much...

GRB 050408: An Atypical Gamma-Ray Burst as a Probe of an Atypical Galactic Environment (2005)

Foley, R. J., Perley, D. A., Pooley, D., Prochaska, J. X., Bloom, J. S., Li, W., ...

The bright GRB 050408 was localized by HETE-II near local midnight, enabling an impressive ground-based followup effort as well as space-based followup from Swift. The Swift data from the X-Ray...

Photometric selection of high-redshift type Ia supernovae (2005)

Sullivan, M., Howell, D. A., Perrett, K., Nugent, P., Astier, P., Aubourg, E., ...

We present a method for selecting high-redshift type Ia supernovae (SNe Ia) located via rolling SN searches. The technique, using both color and magnitude information of events from only 2-3 epochs...

The Supernova Legacy Survey: Measurement of Omega_M, Omega_Lambda and w from the First Year Data Set (2005)

Astier, P., Guy, J., Regnault, N., Pain, R., Aubourg, E., Balam, D., ...

We present distance measurements to 71 high redshift type Ia supernovae discovered during the first year of the 5-year Supernova Legacy Survey (SNLS). These events were detected and their multi-color...

Supernova Acceleration Probe: Studying Dark Energy with Type Ia Supernovae (2005)

Albert, J., Aldering, G., Allam, S., Althouse, W., Amanullah, R., Annis, J., ...

The Supernova Acceleration Probe (SNAP) will use Type Ia supernovae (SNe Ia) as distance indicators to measure the effect of dark energy on the expansion history of the Universe. (SNAP's weak-lensing...

Probing Dark Energy via Weak Gravitational Lensing with the SuperNova Acceleration Probe (SNAP) (2005)

Albert, J., Aldering, G., Allam, S., Althouse, W., Amanullah, R., Annis, J., ...

SNAP is a candidate for the Joint Dark Energy Mission (JDEM) that seeks to place constraints on the dark energy using two distinct methods. The first, Type Ia SN, is discussed in a companion white...

Seeing the Nature of the Accelerating Physics: It's a SNAP (2005)

Aldering, G., Althouse, W., Amanullah, R., Annis, J., Astier, P., Baltay, C., ...

For true insight into the nature of dark energy, measurements of the precision and accuracy of the Supernova/Acceleration Probe (SNAP) are required. Precursor or scaled-down experiments are...

Gemini Spectroscopy of Supernovae from SNLS: Improving High Redshift SN Selection and Classification (2005)

Howell, D. A., Sullivan, M., Perrett, K., Bronder, T. J., Hook, I. M., Astier, P., ...

We present new techiques for improving the efficiency of supernova (SN) classification at high redshift using 64 candidates observed at Gemini North and South during the first year of the Supernova...

Spectra of High-Redshift Type Ia Supernovae and a Comparison with their Low-Redshift Counterparts (2005)

Hook, I. M., Howell, D. A., Aldering, G., Amanullah, R., Burns, M. S., Conley, A., ...

We present spectra for 14 high-redshift (0.17 < z < 0.83) supernovae, which were discovered by the Supernova Cosmology Project as part of a campaign to measure cosmological parameters. The spectra...

Spectroscopic Observations and Analysis of the Unusual Type Ia SN 1999ac (2005)

Aldering, G., Amadon, A., Amanullah, R., Astier, P., Balland, C., ...

We present optical spectra of the peculiar Type Ia supernova (SN Ia) 1999ac. The data extend from -15 to +42 days with respect to B-band maximum and reveal an event that is unusual in several...

A Definitive Measurement of Time Dilation in the Spectral Evolution of the Moderate-Redshift Type Ia Supernova 1997ex (2005)

Foley, R. J., Filippenko, A. V., Leonard, D. C., Riess, A. G., Nugent, P., Perlmutter, S.

We have obtained high-quality Keck optical spectra at three epochs of the Type Ia supernova 1997ex, whose redshift z is 0.361. The elapsed calendar time between the first two spectra was 24.88 d, and...

Restframe I-band Hubble diagram for type Ia supernovae up to redshift z ~0.5 (2005)

Amanullah, R., Garavini, G., Goobar, A., Lidman, C., Stanishev, V., ...

We present a novel technique for fitting restframe I-band light curves on a data set of 42 Type Ia supernovae (SNe Ia). Using the result of the fit, we construct a Hubble diagram with 26 SNe from the...

Restframe I-band Hubble diagram for type Ia supernovae up to redshift z ~; 0.5 (2005)

Nobili, S., Amanullah, R., Garavini, G., Goobar, A., Lidman, C., Stanishev, V., ...

We present a novel technique for fitting restframe I-band light curves on a data set of 42 type Ia supernovae (SNe Ia). Using the result of the fit, we construct a Hubble diagram with 26 SNe from the...

Spectroscopic Observations and Analysis of the Peculiar SN 1999aa (2005)

Garavini, G., Folatelli, G., Goobar, A., Nobili, S., Aldering, G., Amadon, A., ...

We present an extensive new time-series of spectroscopic data of the peculiar SN 1999aa in NGC 2595. Our data set includes 25 optical spectra between -11 and +58 days with respect to B-band maximum...

Spectra of High-Redshift Type Ia Supernovae and a Comparison with their Low-Redshift Counterparts (2005)

Hook, I. M., Howell, D. A., Aldering, G., Amanullah, R., Burns, M. S., Conley, A., ...

We present spectra for 14 high-redshift (0.17 < z < 0.83) supernovae, which were discovered by the Supernova Cosmology Project as part of a campaign to measure cosmological parameters. The spectra...

Spectroscopic Observations and Analysis of the Unusual Type Ia SN 1999ac (2005)

Garavini, G., Aldering, G., Amadon, A., Amanullah, R., Astier, P., Balland, C., ...

We present optical spectra of the peculiar Type Ia supernova (SN Ia) 1999ac. The data extend from -15 to +42 days with respect to B-band maximum and reveal an event that is unusual in several...

Supernova Acceleration Probe: Studying Dark Energy with Type Ia Supernovae (2005)

Albert, J., Aldering, G., Allam, S., Althouse, W., Amanullah, R., Annis, J., ...

The Supernova Acceleration Probe (SNAP) will use Type Ia supernovae (SNe Ia) as distance indicators to measure the effect of dark energy on the expansion history of the Universe. (SNAP's weak-lensing...

Probing Dark Energy via Weak Gravitational Lensing with the SuperNova Acceleration Probe (SNAP) (2005)

Albert, J., Aldering, G., Allam, S., Althouse, W., Amanullah, R., Annis, J., ...

SNAP is a candidate for the Joint Dark Energy Mission (JDEM) that seeks to place constraints on the dark energy using two distinct methods. The first, Type Ia SN, is discussed in a companion white...

Seeing the Nature of the Accelerating Physics: It's a SNAP (2005)

Aldering, G., Althouse, W., Amanullah, R., Annis, J., Astier, P., Baltay, C., ...

For true insight into the nature of dark energy, measurements of the precision and accuracy of the Supernova/Acceleration Probe (SNAP) are required. Precursor or scaled-down experiments are...

Gemini Spectroscopy of Supernovae from SNLS: Improving High Redshift SN Selection and Classification (2005)

A. Howell, D., Sullivan, M., Perrett, K., J. Bronder, T., M. Hook, I., Astier, P., ...

We present new techiques for improving the efficiency of supernova (SN) classification at high redshift using 64 candidates observed at Gemini North and South during the first year of the Supernova...

Restframe I-band Hubble diagram for type Ia supernovae up to redshift z $\sim$ 0.5 (2005)

Nobili, S., Amanullah, R., Garavini, G., Goobar, A., Lidman, C., Stanishev, V., ...

We present a novel technique for fitting restframe I-band light curves on a data set of 42 Type Ia supernovae (SNe Ia). Using the result of the fit, we construct a Hubble diagram with 26 SNe from the...

Spectroscopic confirmation of high-redshift supernovae with the ESO VLT (2005)

Lidman, C., A. Howell, D., Folatelli, G., Garavini, G., Nobili, S., Aldering, G., ...

We present VLT FORS1 and FORS2 spectra of 39 candidate high-redshift supernovae that were discovered as part of a cosmological study using Type Ia supernovae (SNe Ia) over a wide range of redshifts....

Spectroscopic Observations and Analysis of the Peculiar SN 1999aa (2005)

Garavini, G., Folatelli, G., Goobar, A., Nobili, S., Aldering, G., Amadon, A., ...

We present an extensive new time-series of spectroscopic data of the peculiar SN 1999aa in NGC 2595. Our data set includes 25 optical spectra between -11 and +58 days with respect to B-band maximum...

Spectra of High-Redshift Type Ia Supernovae and a Comparison with their Low-Redshift Counterparts (2005)

Hook, I. M., Howell, D. A., Aldering, G., Amanullah, R., Burns, M. S., Conley, A., ...

We present spectra for 14 high-redshift (0.17 < z < 0.83) supernovae, which were discovered by the Supernova Cosmology Project as part of a campaign to measure cosmological parameters. The spectra...

Spectroscopic Observations and Analysis of the Unusual Type Ia SN 1999ac (2005)

Garavini, G., Aldering, G., Amadon, A., Amanullah, R., Astier, P., Balland, C., ...

We present optical spectra of the peculiar Type Ia supernova (SN Ia) 1999ac. The data extend from -15 to +42 days with respect to B-band maximum and reveal an event that is unusual in several...

Supernova Acceleration Probe: Studying Dark Energy with Type Ia Supernovae (2005)

Albert, J., Aldering, G., Allam, S., Althouse, W., Amanullah, R., Annis, J., ...

The Supernova Acceleration Probe (SNAP) will use Type Ia supernovae (SNe Ia) as distance indicators to measure the effect of dark energy on the expansion history of the Universe. (SNAP's weak-lensing...

Probing Dark Energy via Weak Gravitational Lensing with the SuperNova Acceleration Probe (SNAP) (2005)

Albert, J., Aldering, G., Allam, S., Althouse, W., Amanullah, R., Annis, J., ...

SNAP is a candidate for the Joint Dark Energy Mission (JDEM) that seeks to place constraints on the dark energy using two distinct methods. The first, Type Ia SN, is discussed in a companion white...

Seeing the Nature of the Accelerating Physics: It's a SNAP (2005)

Aldering, G., Althouse, W., Amanullah, R., Annis, J., Astier, P., Baltay, C., ...

For true insight into the nature of dark energy, measurements of the precision and accuracy of the Supernova/Acceleration Probe (SNAP) are required. Precursor or scaled-down experiments are...

Gemini Spectroscopy of Supernovae from SNLS: Improving High Redshift SN Selection and Classification (2005)

A. Howell, D., Sullivan, M., Perrett, K., J. Bronder, T., M. Hook, I., Astier, P., ...

We present new techiques for improving the efficiency of supernova (SN) classification at high redshift using 64 candidates observed at Gemini North and South during the first year of the Supernova...

Restframe I-band Hubble diagram for type Ia supernovae up to redshift z $\sim$ 0.5 (2005)

Nobili, S., Amanullah, R., Garavini, G., Goobar, A., Lidman, C., Stanishev, V., ...

We present a novel technique for fitting restframe I-band light curves on a data set of 42 Type Ia supernovae (SNe Ia). Using the result of the fit, we construct a Hubble diagram with 26 SNe from the...

Spectroscopic confirmation of high-redshift supernovae with the ESO VLT (2005)

Lidman, C., A. Howell, D., Folatelli, G., Garavini, G., Nobili, S., Aldering, G., ...

We present VLT FORS1 and FORS2 spectra of 39 candidate high-redshift supernovae that were discovered as part of a cosmological study using Type Ia supernovae (SNe Ia) over a wide range of redshifts....

Spectroscopic observations and analysis of the unusual type Ia SN 1999ac (2005)

Garavini, G., Aldering, G., Amadon, A., Amanullah, R., Astier, P., Balland, C., ...

We present optical spectra of the peculiar Type Ia supernova (SN Ia) 1999ac. The data extend from -15 to +42 days with respect to B-band maximum and reveal an event that is unusual in several...

Spectroscopic confirmation of high-redshift supernovae with the ESO VLT (2004)

Lidman, C., Howell, D. A., Folatelli, G., Garavini, G., Nobili, S., Aldering, G., ...

We present VLT FORS1 and FORS2 spectra of 39 candidate high-redshift supernovae that were discovered as part of a cosmological study using Type Ia supernovae (SNe Ia) over a wide range of redshifts....

Supernova / Acceleration Probe: A Satellite Experiment to Study the Nature of the Dark Energy (2004)

Aldering, SNAP Collaboration: G., Althouse, W., Amanullah, R., Annis, J., Astier, P., Baltay, C., ...

The Supernova / Acceleration Probe (SNAP) is a proposed space-based experiment designed to study the dark energy and alternative explanations of the acceleration of the Universe's expansion by...

Spectroscopic Observations and Analysis of the Peculiar SN 1999aa (2004)

Garavini, G., Folatelli, G., Goobar, A., Nobili, S., Aldering, G., Amadon, A., ...

We present an extensive new time-series of spectroscopic data of the peculiar SN 1999aa in NGC 2595. Our data set includes 25 optical spectra between -11 and +58 days with respect to B-band maximum...

The nearby supernova factory (2004)

Wood-Vasey, W.M., Aldering, G., Lee, B.C., Loken, S., Nugent, P., Perlmutter, S., ...

The Nearby Supernova Factory (SNfactory) is an ambitious project to find and study in detail approximately 300 nearby Type Ia supernovae (SNe Ia) at redshifts 0.03 < z < 0.08. This program will...

The Nearby Supernova Factory (2004)

Wood-Vasey, W. M., Aldering, G., Lee, B. C., Loken, S., Nugent, P., Perlmutter, S., ...

The Nearby Supernova Factory (SNfactory) is an ambitious project to find and study in detail approximately 300 nearby Type Ia supernovae (SNe~Ia) at redshifts 0.03

Spectroscopic Observations and Analysis of the Peculiar SN 1999aa (2004)

G. Garavini, G. Folatelli, A. Goobar, S. Nobili, G. Aldering, A. Amadon, ...

We present an extensive new time-series of spectroscopic data of the peculiar SN 1999aa in NGC 2595. Our data set includes 25 optical spectra between−11 and+58 days with respect to B-band maximum...

Spectroscopic observations and analysis of the peculiar SN 1999aa (2003)

Garavini, G., Folatelli, G., Goobar, A., Nobili, S., Aldering, G., Amadon, A., ...

We present an extensive new time series of spectroscopic data of the peculiar SN 1999aa in NGC 2595. Our data set includes 25 optical spectra between -11 and +58 days with respect to B-band maximum...

New Constraints on $\Omega_M$, $\Omega_\Lambda$, and w from an Independent Set of Eleven High-Redshift Supernovae Observed with HST (2003)

Knop, R. A., Aldering, G., Amanullah, R., Astier, P., Blanc, G., Burns, M. S., ...

We report measurements of $\Omega_M$, $\Omega_\Lambda$, and w from eleven supernovae at z=0.36-0.86 with high-quality lightcurves measured using WFPC-2 on the HST. This is an independent set of...

SNAP Satellite Focal Plane Development (2003)

Bebek, C., Akerlof, C., Aldering, G., Amanullah, R., Astier, P., Baltay, C., ...

The proposed SuperNova/Acceleration Probe (SNAP) mission will have a two-meter class telescope delivering diffraction-limited images to an instrumented 0.7 square degree field in the visible and...

The Hubble Diagram of Type Ia Supernovae as a Function of Host Galaxy Morphology (2002)

Sullivan, M., Ellis, R. S., Aldering, G., Amanullah, R., Astier, P., Blanc, G., ...

(Abridged) We present new results on the Hubble diagram of distant type Ia supernovae (SNe Ia) segregated according to the type of host galaxy. This makes it possible to check earlier evidence for a...

The Type Ia Supernova 1999aw: a Probable 1999aa-like Event In a Low-Luminosity Host Galaxy (2002)

Smith, R. C., Suntzeff, N. B., Phillips, M. M., Aldering, G., Nugent, P., ...

SN 1999aw was discovered during the first campaign of the Nearby Galaxies Supernova Search (NGSS) project. This luminous, slow-declining (Delta m_{15} (B) = 0.81 \pm 0.03) Type Ia supernova was...

The distant Type Ia supernova rate (2002)

Pain, R., Fabbro, S., Sullivan, M., Ellis, R. S., Aldering, G., Astier, P., ...

We present a measurement of the rate of distant Type Ia supernovae derived using 4 large subsets of data from the Supernova Cosmology Project. Within this fiducial sample, which surveyed about 12...

Accepted for publication in The Astrophysical Journal LPNHE 02-02 The distant Type Ia supernova rate (2002)

R. Pain, S. Fabbro, M. Sullivan, R. S. Ellis, G. Aldering, P. Astier, ...

We present a measurement of the rate of distant Type Ia supernovae derived using 4 large subsets of data from the Supernova Cosmology Project. Within this fiducial sample, which surveyed about 12...

The Type Ia supernova 1999aw: a probable 1999aa-like event in a low-luminosity host galaxy (2002)

Strolger, L. G., Smith, R. C., Suntzeff, N. B., Phillips, M. M., Aldering, G., Nugent, P., ...

SN 1999aw was discovered during the first campaign of the Nearby Galaxies Supernova Search project. This luminous, slow-declining [Δm 15(B) = 0.81±0.03] Type Ia supernova was noteworthy in...

The Type Ia supernova 1999aw: a probable 1999aa-like event in a low-luminosity host galaxy (2002)

Strolger, L. G., Smith, R. C., Suntzeff, N. B., Phillips, M. M., Aldering, G., Nugent, P., ...

SN 1999aw was discovered during the first campaign of the Nearby Galaxies Supernova Search project. This luminous, slow-declining [Δm 15(B) = 0.81±0.03] Type Ia supernova was noteworthy in at least...

Timescale Stretch Parameterization of Type Ia Supernova B-band Light Curves (2001)

Goldhaber, G., Groom, D. E., Kim, A., Aldering, G., Astier, P., Conley, A., ...

R-band intensity measurements along the light curve of Type Ia supernovae discovered by the Supernova Cosmology Project (SCP) are fitted in brightness to templates allowing a free parameter the...

Timescale stretch parameterization of Type Ia supernova B-band light curves (2001)

Goldhaber, G., Groom, D.E., Kim, A., Aldering, G., Astier, P., Conley, A., ...

R-band intensity measurements along the light curve of Type Ia supernovae discovered by the Cosmology Project (SCP) are fitted in brightness to templates allowing a free parameter the time-axis width...

The Cosmic Triangle: Revealing the State of the Universe (1999)

Bahcall, N., Ostriker, J. P., Perlmutter, S., Steinhardt, P. J.

The "cosmic triangle" is introduced as a way of representing the past, present, and future status of the universe. Our current location within the cosmic triangle is determined by the answers to...

The unusual afterglow of GRB 980326: evidence for the gamma-ray burst/supernova connection (1999)

Bloom, J. S., Kulkarni, S. R., Djorgovski, S. G., Eichelberger, A. C., Cote, P., Blakeslee, J. P., ...

Cosmic gamma-ray bursts (GRBs) have been firmly established as one of the most powerful phenomena in the Universe, releasing electromagnetic energy approaching the rest-mass energy of a neutron star...

Cosmology from Type Ia Supernovae (1998)

Perlmutter, S., Aldering, G., Deustua, S., Fabbro, S., Goldhaber, G., Groom, D. E., ...

This presentation reports on first evidence for a low-mass-density/positive-cosmological-constant universe that will expand forever, based on observations of a set of 40 high-redshift supernovae. The...

Measurements of Omega and Lambda from 42 High-Redshift Supernovae (1998)

Perlmutter, S., Aldering, G., Goldhaber, G., Knop, R. A., Nugent, P., Castro, P. G., ...

We report measurements of the mass density, Omega_M, and cosmological-constant energy density, Omega_Lambda, of the universe based on the analysis of 42 Type Ia supernovae discovered by the Supernova...

Cosmology from Type Ia Supernovae (1998)

Perlmutter, S., Aldering, G., Deustua, S., Goldhaber, G., Groom, D.E., Kim, A.G., ...

This presentation reports on first evidence for a low-mass-density/positive-cosmological-constant universe that will expand forever, based on observations of a set of 40 high-redshift supernovae. The...

Discovery of a Supernova Explosion at Half the Age of the Universe&quot;, Nature 391 (1998)

S. Perlmutter, G. Aldering, M. Della, Valle S. Deustua, R. S. Ellis, S. Fabbro, ...

The ultimate fate of the universe � in�nite expansion or a big crunch � can be determined by measuring the redshifts � apparent brightnesses � and intrinsic luminosities of very distant...

Discovery of a Supernova Explosion at Half the Age of the Universe and its Cosmological Implications (1997)

Perlmutter, S., Aldering, G., Della Valle, M., Deustua, S., Ellis, R. S., Fabbro, S., ...

The ultimate fate of the universe, infinite expansion or a big crunch, can be determined by measuring the redshifts, apparent brightnesses, and intrinsic luminosities of very distant supernovae....

Implications For The Hubble Constant from the First Seven Supernovae at z >= 0.35 (1997)

Gabi, S., Goldhaber, G., Groom, D. E., Hook, I. M., Kim, M. Y., ...

The Supernova Cosmology Project has discovered over twenty-eight supernovae (SNe) at 0.35

Measurements of the Cosmological Parameters \Omega and \Lambda from the First 7 Supernovae at ... (1997)

S. Perlmutter, S. Gabi, G. Goldhaber, A. Goobar, D. E. Groom, I. M. Hook, ...

We have developed a technique to systematically discover and study high-redshift supernovae that can be used to measure the cosmological parameters. We report here results based on the initial seven...

Observation Of Cosmological Time Dilation Using Type Ia Supernovae As Clocks (1997)

G.GOLDHABER, S. Deustua, S. Gabi, D. Groom, I. Hook, M. KIM, ...

. This work is based on the first results from a systematic search for high redshift Type Ia supernovae. Using filters in the R-band we discovered seven such SNe, with redshift z = 0:3 \Gamma 0:5,...

Measurements of the Cosmological Parameters Omega and Lambda from the First 7 Supernovae at z >= 0.35 (1996)

Perlmutter, S., Gabi, S., Goldhaber, G., Groom, D. E., Hook, I. M., Kim, A. G., ...

We have developed a technique to systematically discover and study high-redshift supernovae that can be used to measure the cosmological parameters. We report here results based on the initial seven...

The Type Ia Supernova Rate at z$\sim 0.4 $ (1996)

Pain, R., Hook, I. M., Deustua, S., Gabi, S., Goldhaber, G., Goobar, A., ...

We present the first measurement of the rate of Type Ia supernovae at high redshift. The result is derived using a large subset of data from the Supernova Cosmology Project. Three supernovae were...

Scheduled Discoveries of 7+ High-Redshift Supernovae: First Cosmology Results and Bounds on q_0 (1996)

Perlmutter, S., Deustua, S., Gabi, S., Goldhaber, G., Groom, D., Hook, I., ...

Our search for high-redshift Type Ia supernovae discovered, in its first years, a sample of seven supernovae. Using a "batch" search strategy, almost all were discovered before maximum light and were...

K Corrections For Type Ia Supernovae and a Test for Spatial Variation of the Hubble Constant (1996)

Kim, A., Deustua, S., Gabi, S., Goldhaber, G., Groom, D., Hook, I., ...

Cross-filter K corrections for a sample of "normal" Type Ia supernovae (SNe) have been calculated for a range of epochs. With appropriate filter choices, the combined statistical and systematic K...

Observation of Cosmological Time Dilation using Type Ia Supernovae as Clocks (1996)

Goldhaber, G., Deustua, S., Gabi, S., Groom, D., Hook, I., Kim, A., ...

This work is based on the first results from a systematic search for high redshift Type Ia supernovae. Using filters in the R-band we discovered seven such SNe, with redshift z = 0.3 - 0.5, before or...

The Type Ia Supernova Rate at z ~ 0.4 (1996)

Pain, R., Hook, I., Perlmutter, S., Deustua, S., Gabi, S., Goldhaber, G., ...

We present the first measurement of the rate of Type Ia supernovae at high redshift. The result is derived using a large subset of data from the Supernova Cosmology Project as described in more...

The type Ia supernova rate at z similar to 0.4 (1996)

Pain, Reynald, Hook, Isobel, Deustua, Susana E., Gabi, S., Goldhaber, G., Groom, Donald E., ...

We present the first measurement of the rate of Type la supernovae at high redshift. The result is derived by using a large subset of data from the Supernova Cosmology Project. Three supernovae were...

The type Ia supernova rate at z similar to 0.4 (1996)

Pain, Reynald, Hook, Isobel, Deustua, Susana E., Gabi, S., Goldhaber, G., Groom, Donald E., ...

We present the first measurement of the rate of Type la supernovae at high redshift. The result is derived by using a large subset of data from the Supernova Cosmology Project. Three supernovae were...

The MACHO Project: 45 Candidate Microlensing Events from the First Year Galactic Bulge Data (1995)

Alcock, C., Allsman, R. A., Axelrod, T. S., Bennett, D. P., Cook, K. H., Freeman, K. C., ...

We report the detection of 45 candidate microlensing events in fields toward the Galactic bulge. These come from the analysis of 24 fields containing 12.6 million stars observed for 190 days in 1993....

The MACHO Project First Year LMC Results: The Microlensing Rate and the Nature of the Galactic Dark Halo (1995)

Alcock, C., Allsman, R. A., Axelrod, T. S., Bennett, D. P., Cook, K. H., Freeman, K. C., ...

The MACHO collaboration reports on the analysis of our first year LMC data, 9.5 million light curves with an average of 235 observations each. Automated selection procedures give 3 events consistent...

MACHO COLLABORATION SEARCH FOR BARYONIC DARK MATTER VIA GRAVITATIONAL MICROLENSING (1995)

Griest, K., Alcock, C., Allsman, R. A., Axelrod, T. S., Bennett, D. P., Cook, K. H., ...

Results are presented from the MACHO collaboration gravitational microlensing search. The experiment and the nearly 50 microlensing events that have been detected are described. Limits on the...

A Supernova at z = 0.458 and Implications for Measuring the Cosmological Deceleration (1995)

Perlmutter, S., Pennypacker, C. R., Goldhaber, G., Goobar, A., Muller, R. A., Newberg, H. J. M., ...

We have begun a program to discover high-redshift supernovae ($z \approx$ 0.25--0.5), and study them with follow-up photometry and spectroscopy. We report here our first discovery, a supernova at $z...

EXPERIMENTAL LIMITS ON THE DARK MATTER HALO OF THE GALAXY FROM GRAVITATIONAL MICROLENSING. (1995)

Alcock, C., Allsman, R. A., Axelrod, T. S., Bennett, D. P., Cook, K. H., Freeman, K. C., ...

We have monitored 8.6 million stars in the Large Magellanic Cloud for 1.1 years and have found 3 events consistent with gravitational microlensing. We place strong constraints on the Galactic halo...

Recent Developments in Gravitational Microlensing and the Latest MACHO Results: Microlensing Towards the Galactic Bulge (1994)

Bennett, D. P., Alcock, C., Allsman, R. A., Axelrod, T. S., Cook, K. H., Freeman, K. C., ...

We review recent gravitational microlensing results from the EROS, MACHO, and OGLE collaborations, and present some details of the very latest MACHO results toward the Galactic Bulge. The MACHO...

Theory of Exploring the Dark Halo with Microlensing 1: Power--Law Models (1994)

Alcock, C., Allsman, R. A., Axelrod, T. S., Bennett, D. P., Cook, K. H., Evans, N. W., ...

The detection of microlensing has opened the way for the development of new methods in galactic astronomy. This series of papers investigates what microlensing can teach us about the structure and...

Gravitational Microlensing Results from Macho (1994)

Sutherland, W., Alcock, C., Allsman, R., Axelrod, T., Bennett, D., Chan, S., ...

We provide a status report on our search for dark matter in our Galaxy in the form of massive compact halo objects (MACHOs), using gravitational microlensing of background stars. This search uses a...

Probable Gravitational Microlensing towards the Galatic Bulge (1994)

Alcock, C., Allsman, R., Axelrod, T., Bennett, D., Chan, S., Cook, K., ...

The MACHO project carries out regular photometric monitoring of millions of stars in the Magellanic Clouds and Galactic Bulge, to search for very rare gravitational microlensing events due to compact...

Possible Gravitational Microlensing Of A Star In The Large Magellanic Cloud (1993)

Alcock, C, Akerlof, CW, Allsman, RA, Axelrod, TS, Bennett, DP, Chan, S, ...

THERE is now abundant evidence for the presence of large quantities of unseen matter surrounding normal galaxies, including our own1,2. The nature of this 'dark matter' is unknown, except that it...

Possible Gravitational Microlensing of a Star in the Large Magellanic Cloud (1993)

Alcock, C., Akerlof, C. W., Allsman, R. A., Axelrod, T. S., Bennett, D. P., Chan, S., ...

There is now abundant evidence for the presence of large quantities of unseen matter surrounding normal galaxies, including our own$^{1,2}$. The nature of this `dark matter' is unknown, except that...

Diltiazem treatment for the management of ischaemia in patients with poor left ventricular function: safety of long term administration.

Zema, M J, Perlmutter, S, Mankes, S, Nikitopoulos, C

The tendency of oral diltiazem (a calcium entry blocking agent and a negative inotrope) to induce or exacerbate congestive heart failure when used for the long term management of myocardial ischaemia...

Scheduled Discoveries of 7+ High-Redshift Supernovae: First Cosmology Results and Bounds on q0

S. Perlmutter, S. Deustua, S. Gabi, G. Goldhaber, D. Groom, I. Hook, ...

. Our search for high-redshift Type Ia supernovae discovered, in its first years, a sample of seven supernovae. Using a "batch" search strategy, almost all were discovered before maximum...