A. Conley

Publication List Details

Period

2001 - 2009

Number

98

Co-Authors

Photometric redshifts for supernovae Ia in the Supernova Legacy Survey (2009)

Palanque-Delabrouille, N., Ruhlmann-Kleider, V., Pascal, S., Rich, J., Guy, J., Bazin, G., ...

We present a method using the SALT2 light curve fitter to determine the redshift of Type Ia supernovae in the Supernova Legacy Survey (SNLS) based on their photometry in g', r', i' and z'. On 289...

The ESO/VLT 3rd year Type Ia supernova data set from the Supernova Legacy Survey (2009)

Balland, C., Baumont, S., Basa, S., Mouchet, M., Howell, D. A., Astier, P., ...

We present 139 spectra of 124 Type Ia supernovae (SNeIa) that were observed at the ESO/VLT during the first three years of the Canada-France-Hawai Telescope (CFHT) Supernova Legacy Survey (SNLS)....

Photometric Calibration of the Supernova Legacy Survey Fields (2009)

Regnault, N., Conley, A., Guy, J., Sullivan, M., Astier, P., ...

We present the photometric calibration of the Supernova Legacy Survey (SNLS) fields. The SNLS aims at measuring the distances to SNe Ia at (0.3

The Core-collapse rate from the Supernova Legacy Survey (2009)

Bazin, G., Palanque-Delabrouille, N., Rich, J., Ruhlmann-Kleider, V., Aubourg, E., Guillou, L. Le, ...

We use three years of data from the Supernova Legacy Survey (SNLS) to study the general properties of core-collapse and type Ia supernovae. This is the first such study using the "rolling search"...

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...

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...

Verifying the Cosmological Utility of Type Ia Supernovae: Implications of a Dispersion in the Ultraviolet Spectra (2008)

Ellis, R.S., Sullivan, M., Nugent, P.E., Howell, D.A., Gal-Yam, A., Astier, P., ...

We analyze the mean rest-frame ultraviolet (UV) spectrum of Type Ia Supernovae(SNe) and its dispersion using high signal-to-noise Keck-I/LRIS-B spectroscopyfor a sample of 36 events at intermediate...

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...

SiFTO: An Empirical Method for Fitting SNe Ia Light Curves (2008)

Conley, A., Sullivan, M., Hsiao, E. Y., Guy, J., Astier, P., Balam, D., ...

We present SiFTO, a new empirical method for modeling type Ia supernovae (SNe Ia) light curves by manipulating a spectral template. We make use of high-redshift SN observations when training the...

Verifying the cosmological utility of Type Ia Supernovae : implications of a dispersion in the ultraviolet spectra (2008)

Ellis, R. S., Sullivan, M., Nugent, P. E., Howell, D. A., Gal-Yam, A., Astier, P., ...

We analyze the mean rest-frame ultraviolet (UV) spectrum of Type Ia Supernovae (SNe) and its dispersion using high signal-to-noise ratio Keck-I/LRIS-B spectroscopy for a sample of 36 events at...

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...

Mon. Not. R. Astron. Soc. 000, 000-000 (0000) Printed 20 November 2002 (MN L A T E X style (2007)

Le The Hubble, M. Sullivan, R. Amanullah, G. Blanc, A. Conley, S. E. Deustua

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...

Verifying the Cosmological Utility of Type Ia Supernovae: Implications of a Dispersion in the Ultraviolet Spectra (2007)

Ellis, R. S., Sullivan, M., Nugent, P. E., Howell, D. A., Gal-Yam, A., Astier, P., ...

We analyze the mean rest-frame ultraviolet (UV) spectrum of Type Ia Supernovae (SNe Ia) and its dispersion using high signal-to-noise Keck-I/LRIS-B spectroscopy for a sample of 36 events at...

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....

SALT2: using distant supernovae to improve the use of Type Ia supernovae as distance indicators (2007)

Guy, J., Astier, P., Baumont, S., Hardin, D., Pain, R., Regnault, N., ...

We present an empirical model of Type Ia supernovae spectro-photometric evolution with time. The model is built using a large data set including light-curves and spectra of both nearby and distant...

SALT2: using distant supernovae to improve the use of Type Ia supernovae as distance indicators (2007)

Guy, J., Astier, P., Baumont, S., Hardin, D., Pain, R., Regnault, N., ...

We present an empirical model of Type Ia supernovae spectro-photometric evolution with time. The model is built using a large data set including light-curves and spectra of both nearby and distant...

SALT2: using distant supernovae to improve the use of Type Ia supernovae as distance indicators (2007)

Guy, J., Astier, P., Baumont, S., Hardin, D., Pain, R., Regnault, N., ...

We present an empirical model of Type Ia supernovae spectro-photometric evolution with time. The model is built using a large data set including light-curves and spectra of both nearby and distant...

Is there Evidence for a Hubble bubble? The Nature of SN Ia Colors and Dust in External Galaxies (2007)

Conley, A., Carlberg, R. G., Guy, J., Howell, D. A., Jha, S., Riess, A. G., ...

We examine recent evidence from the luminosity-redshift relation of Type Ia Supernovae for the $\sim 3 \sigma$ detection of a ``Hubble bubble'' -- a departure of the local value of the Hubble...

Is there Evidence for a Hubble bubble? The Nature of Type Ia Supernova Colors and Dust in External Galaxies (2007)

Conley, A., Carlberg, R. G., Guy, J., Howell, D. A., Jha, S., Riess, A. G., ...

We examine recent evidence from the luminosity-redshift relation of Type Ia Supernovae (SNe Ia) for the $\sim 3 \sigma$ detection of a ``Hubble bubble'' -- a departure of the local value of the...

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...

K-corrections and spectral templates of Type Ia supernovae (2007)

Hsiao, E. Y., Conley, A., Howell, D. A., Sullivan, M., Pritchet, C. J., Carlberg, R. G., ...

With the advent of large dedicated Type Ia supernova (SN Ia) surveys, K-corrections of SNe Ia and their uncertainties have become especially important in the determination of cosmological parameters....

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...

Towards a Cosmological Hubble Diagram for Type II-P Supernovae (2007)

Nugent, P., Sullivan, M., Ellis, R., Gal-Yam, A., Leonard, D.C., Howell, D.A., ...

We present the first high-redshift Hubble diagram for Type II-P supernovae (SNe II-P) based upon five events at redshift up to z~0.3. This diagram was constructed using photometry from the...

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 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...

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 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...

SALT2: using distant supernovae to improve the use of Type Ia supernovae as distance indicators (2007)

Guy, J., Astier, P., Baumont, S., Hardin, D., Pain, R., Regnault, N., ...

We present an empirical model of Type Ia supernovae spectro-photometric evolution with time. The model is built using a large data set including light-curves and spectra of both nearby and distant...

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...

Observational Constraints on the Nature of the Dark Energy: First Cosmological Results from the ESSENCE Supernova Survey (2007)

Wood-Vasey, W. M., Miknaitis, G., Stubbs, C. W., Jha, S., Riess, A. G., Garnavich, P. M., ...

We present constraints on the dark energy equation-of-state parameter, w=P/(rho c^2), using 60 Type Ia supernovae (SNe Ia) from the ESSENCE supernova survey. We derive a set of constraints on the...

Observational Constraints on the Nature of Dark Energy: First Cosmological Results from the ESSENCE Supernova Survey (2007)

Wood-Vasey, W. M., Miknaitis, G., Stubbs, C. W., Jha, S., Riess, A. G., Garnavich, P. M., ...

We present constraints on the dark energy equation-of-state parameter, w = P/(ρc2), using 60 SNe Ia from the ESSENCE supernova survey. We derive a set of constraints on the nature of the dark energy...

Type Ia supernova rate at a redshift of ~ 0.1 (2006)

Blanc, G., Afonso, C., Alard, C., Albert, J.N., Aldering, G., Amadon, A., ...

We present the type Ia rate measurement based on two EROS supernova search campaigns (in 1999 and 2000). Sixteen supernovae identified as type Ia were discovered. The measurement of the detection...

Type Ia supernova rate at a redshift of ~ 0.1 (2006)

Blanc, G., Afonso, C., Alard, C., Albert, J.N., Aldering, G., Amadon, A., ...

We present the type Ia rate measurement based on two EROS supernova search campaigns (in 1999 and 2000). Sixteen supernovae identified as type Ia were discovered. The measurement of the detection...

Type Ia supernova rate at a redshift of ~ 0.1 (2006)

Blanc, G., Afonso, C., Alard, C., Albert, J.N., Aldering, G., Amadon, A., ...

We present the type Ia rate measurement based on two EROS supernova search campaigns (in 1999 and 2000). Sixteen supernovae identified as type Ia were discovered. The measurement of the detection...

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...

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...

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...

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...

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...

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 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...

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...

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...

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...

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...

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....

Type Ia supernova rate at a redshift of ~ 0.1 (2004)

Blanc, G., Afonso, C., Alard, C., Albert, J. N., Aldering, G., Amadon, A., ...

We present the type Ia rate measurement based on two EROS supernova search campaigns (in 1999 and 2000). Sixteen supernovae identified as type Ia were discovered. The measurement of the detection...

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...

Type Ia supernova rate at a redshift of ~ 0.1 (2004)

Blanc, G., Afonso, C., Alard, C., Albert, J.N., Aldering, G., Amadon, A., ...

We present the type Ia rate measurement based on two EROS supernova search campaigns (in 1999 and 2000). Sixteen supernovae identified as type Ia were discovered. The measurement of the detection...

Type Ia supernova rate at a redshift of ~ 0.1 (2004)

Blanc, G., Afonso, C., Alard, C., Albert, J.N., Aldering, G., Amadon, A., ...

We present the type Ia rate measurement based on two EROS supernova search campaigns (in 1999 and 2000). Sixteen supernovae identified as type Ia were discovered. The measurement of the detection...

Astronomy Astrophysics (2004)

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

c ○ ESO 2005 Spectroscopic confirmation of high-redshift supernovae with the ESO VLT ⋆,⋆⋆

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...

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...

Infrared Light Curves of Type Ia Supernovae (2002)

Phillips, M. M., Krisciunas, K., Suntzeff, N. B., Roth, M., Germany, L., Candia, P., ...

This paper provides a progress report on a collaborative program at the Las Campanas and Cerro Tololo Observatories to observe the near-IR light curves of Type Ia supernovae. We discuss how the...

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 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...