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)....
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"...
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...
Diversity of supernovae Ia determined using equivalent widths of Si II 4000 (2008)
Arsenijevic, V., Fabbro, S., Mourao, A. M.
Spectroscopic and photometric properties of low and high-z supernovae Ia (SNe Ia) have been analyzed in order to achieve a better understanding of their diversity and to identify possible SN Ia...
Light curves of five type Ia supernovae at intermediate redshift (2008)
Amanullah, R., Stanishev, V., Goobar, A., Schahmaneche, K., Astier, P., Balland, C., ...
Aims. We present multi-band light curves and distances for five type Ia supernovae at intermediate redshifts, 0.18 < z < 0.27. Methods. Three telescopes on the Canary Island of La Palma, INT, NOT,...
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...
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...
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...
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...
Status of the Control System for the CLAS Detector at Jefferson Lab (2007)
T. Carroll, M. Vineyard, T. Auger, W. Brooks, S. Fabbro, A. Freyberger, ...
A control system for Hall B at the Thomas Jefferson National Accelerator Facility is being developed within the framework of the Experimental Physics and Industrial Control System (EPICS). The Hall B...
The Continuous Electron Beam Accelerator Facility (CE- (2007)
T. Carroll, M. Vineyard, T. Auger, W. Brooks, S. Fabbro, A. Freyberger, ...
A control system for Hall B at the Thomas Jefferson National Accelerator Facility is being developed within the framework of the Experimental Physics and Industrial Control System (EPICS). The Hall B...
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...
Light curves of five type Ia supernovae at intermediate redshift (2007)
Amanullah, R., Stanishev, V., Goobar, A., Schahmaneche, K., Astier, P., Balland, C., ...
We present multi-band light curves and distances for five type Ia supernovae at intermediate redshifts, 0.18
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....
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...
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...
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...
Spectroscopic observations of eight supernovae at intermediate redshift (2007)
Balland, C., Mouchet, M., Amanullah, R., Astier, P., Fabbro, S., Folatelli, G., ...
We present spectra of six Type Ia and two Type II supernovae obtained in June 2002 at the William Herschel Telescope during a search for Type Ia supernovae (SNIa) at intermediate redshift. Supernova...
Spectroscopic observations of eight supernovae at intermediate redshift (2007)
Balland, C., Mouchet, M., Amanullah, R., Astier, P., Fabbro, S., Folatelli, G., ...
We present spectra of six Type Ia and two Type II supernovae obtained in June 2002 at the William Herschel Telescope during a search for Type Ia supernovae (SNIa) at intermediate redshift. Supernova...
Spectroscopic observations of eight supernovae at intermediate redshift (2007)
Balland, C., Mouchet, M., Amanullah, R., Astier, P., Fabbro, S., Folatelli, G., ...
We present spectra of six Type Ia and two Type II supernovae obtained in June 2002 at the William Herschel Telescope during a search for Type Ia supernovae (SNIa) at intermediate redshift. Supernova...
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...
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...
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...
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...
Spectroscopic observations of eight supernovae at intermediate redshift (2007)
Balland, C., Mouchet, M., Amanullah, R., Astier, P., Fabbro, S., Folatelli, G., ...
We present spectra of six Type Ia and two Type II supernovae obtained in June 2002 at the William Herschel Telescope during a search for Type Ia supernovae (SNIa) at intermediate redshift. Supernova...
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...
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...
Altavilla, G., Ruiz-Lapuente, P., Balastegui, A., Mendez, J., Irwin, M., Espana-Bonet, C., ...
We study intermediate--z SNe Ia using the empirical physical diagrams which enable to learn about those SNe explosions. This information can be very useful to reduce systematic uncertainties of the...
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...
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....
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...
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...
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...
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...
Altavilla, G., Ruiz-Lapuente, P., Balastegui, A., Mendez, J., Irwin, M., Espana-Bonet, C., ...
We study intermediate--z SNe Ia using the empirical physical diagrams which enable to learn about those SNe explosions. This information can be very useful to reduce systematic uncertainties of the...
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...
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...
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...
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...
Spectroscopy of twelve Type Ia supernovae at intermediate redshift (2006)
Balland, C., Mouchet, M., Pain, R., A. Walton, N., Amanullah, R., Astier, P., ...
We present spectra of twelve Type Ia supernovae obtained in 1999 at the William Herschel Telescope and the Nordic Optical Telescope during a search for Type Ia supernovae (SN Ia) at intermediate...
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...
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...
Spectroscopy of twelve Type Ia supernovae at intermediate redshift (2006)
Balland, C., Mouchet, M., Pain, R., A. Walton, N., Amanullah, R., Astier, P., ...
We present spectra of twelve Type Ia supernovae obtained in 1999 at the William Herschel Telescope and the Nordic Optical Telescope during a search for Type Ia supernovae (SN Ia) at intermediate...
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...
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...
Spectroscopy of twelve Type Ia supernovae at intermediate redshift (2006)
Balland, C., Mouchet, M., Pain, R., A. Walton, N., Amanullah, R., Astier, P., ...
We present spectra of twelve Type Ia supernovae obtained in 1999 at the William Herschel Telescope and the Nordic Optical Telescope during a search for Type Ia supernovae (SN Ia) at intermediate...
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...
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 Supernova Legacy Survey: measurement of ΩM, ΩΛ and w from the first year data set (2006)
Astier, P., Guy, J., Regnault, N., Pain, R., Aubourg, E., Balam, D., ...
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...
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...
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...
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...
Spectroscopy of twelve Type Ia supernovae at intermediate redshift (2005)
Balland, C., Mouchet, M., Pain, R., Walton, N. A., Amanullah, R., Astier, P., ...
We present spectra of twelve Type Ia supernovae obtained in 1999 at the William Herschel Telescope and the Nordic Optical Telescope during a search for Type Ia supernovae (SN Ia) at intermediate...
Spectroscopic Observations and Analysis of the Unusual Type Ia SN 1999ac (2005)
Garavini, G., Aldering, G., Amadon, A., Amanullah, R., Astier, P., Balland, C., ...
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...
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...
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...
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...
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....
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...
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 (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...
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...
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...
The distant Type Ia supernova rate (2002)
R. Pain, S. Fabbro, M. Sullivan, R. S. Ellis, G. Aldering, P. Astier, ...
LPNHE, CNRS-IN2P3 and Universites Paris VI & VII, Paris, France Now at IST, Lisbon, Portugal Department of Physics, Durham University, United Kingdom Institute of Astronomy, Cambridge University,...
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...
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...
Measurements Of Omega and Lambda from 42 High-Redshift Supernovae (1999)
G. Aldering, G. Goldhaber, R.A. Knop, P. Nugent, P. G. Castro, ...
We report measurements of the mass density,\Omega M , and cosmological-constant energy density,\Omega , 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., 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...
Discovery of a Supernova Explosion at Half the Age of the Universe", 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...
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....