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 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...
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...
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...
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,
A. G. Kim, D. E. Groom, I. M. Hook, M. Y. Kim, J. C. Lee, C. R. Pennypacker, ...
6 R. G. McMahon, 6 B. J. Boyle,
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 × 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...
Implications For The Hubble Constant from the First Seven Supernovae at (2007)
Kim Gabi, A. G. Kim, D. E. Groom, I. M. Hook, M. Y. Kim, J. C. Lee, ...
The Supernova Cosmology Project has discovered over twenty-eight supernovae (SNe) at 0:35 ! z ! 0:65 in an ongoing program that uses Type Ia SNe as high-redshift distance indicators. Here we present...
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., ...
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)
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 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...
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 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...
Proton radiation damage in high-resistivity n-type silicon CCDs (2001)
Bebek, C.J., Groom, D.E., Holland, S.E., Karcher, A., Kolbe, W.F., Lee, J., ...
A new type of p-channel CCD constructed on high-resistivity n-type silicon was exposed to 12 MeV protons at doses up to 1x1011 protons/cm2. The charge transfer efficiency was measured as a function...
Radiation events in astronomical CCD images (2001)
Smith, A.R., McDonald, R.J., Hurley, D.L., Holland, S.E., Groom, D.E., Brown, W.E., ...
The remarkable sensitivity of depleted silicon to ionizing radiation is a nuisance to astronomers. "Cosmic rays" degrade images because of struck pixels, leading to modified observing strategies and...
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...
Recent progress on CCDs for astronomical imaging (2000)
We review recent progress in the field, using as a framework a partial list of present limitations and problems: CCD and mosaic size, packing fraction in mosaics, red response and fringing, and...
Point-spread function in depleted and partially depleted CCDs (1999)
Groom, D.E., Eberhard, P.H., Holland, S.E., Levi, M.E., Palaio, N.P., Perlmutter, S., ...
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...
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", 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...
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
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...
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...