Foundations of Supernova Cosmology (2009)
This is a brief sketch of the use of supernovae to measure cosmological parameters. It traces the early work, the events surrounding the discovery and verification of cosmic acceleration using SN Ia,...
Variable Sodium Absorption in a Low-extinction Type Ia Supernova (2009)
Simon, Joshua D., Gal-Yam, Avishay, Gnat, Orly, Quimby, Robert M., Ganeshalingam, Mohan, Silverman, Jeffrey M., ...
Recent observations have revealed that some Type Ia supernovae exhibit narrow, time-variable Na I D absorption features. The origin of the absorbing material is controversial, but it may suggest the...
Type Ia Supernova Light Curve Inference: Hierarchical Bayesian Analysis in the Near Infrared (2009)
Mandel, Kaisey S., Wood-Vasey, W. Michael, Friedman, Andrew S., Kirshner, Robert P.
We present a comprehensive statistical analysis of the properties of Type Ia SN light curves in the near infrared using recent data from PAIRITEL and the literature. We construct a hierarchical...
Variable Sodium Absorption in a Low-Extinction Type Ia Supernova (2009)
Simon, Joshua D., Gal-Yam, Avishay, Gnat, Orly, Quimby, Robert M., Ganeshalingam, Mohan, Silverman, Jeffrey M., ...
Recent observations have revealed that some Type Ia supernovae exhibit narrow, time-variable Na I D absorption features. The origin of the absorbing material is controversial, but it may suggest the...
SN 2008ha: An Extremely Low Luminosity and Extremely Low Energy Supernova (2009)
Foley, Ryan J., Chornock, Ryan, Filippenko, Alexei V., Ganeshalingam, Mohan, Kirshner, Robert P., Li, Weidong, ...
We present ultraviolet, optical, and near-infrared photometry as well as optical spectra of the peculiar supernova (SN) 2008ha. SN 2008ha had a very low peak luminosity, reaching only M_V = -14.2...
CfA3: 185 Type Ia Supernova Light Curves from the CfA (2009)
Hicken, Malcolm, Challis, Peter, Jha, Saurabh, Kirshner, Robert P., Matheson, Tom, Modjaz, Maryam, ...
We present multi-band photometry of 185 type-Ia supernovae (SN Ia), with over 11500 observations. These were acquired between 2001 and 2008 at the F. L. Whipple Observatory of the Harvard-Smithsonian...
Improved Dark Energy Constraints from ~100 New CfA Supernova Type Ia Light Curves (2009)
Hicken, Malcolm, Wood-Vasey, W. Michael, Blondin, Stephane, Challis, Peter, Jha, Saurabh, Kelly, Patrick L., ...
We combine the CfA3 supernova Type Ia (SN Ia) sample with samples from the literature to calculate improved constraints on the dark energy equation of state parameter, w. The CfA3 sample is added to...
Variable sodium absorption in a low-extinction type Ia supernova (2009)
Simon, Joshua D., Gal-Yam, Avishay, Gnat, Orly, Quimby, Robert M., Ganeshalingam, Mohan, Silverman, Jeffrey M., ...
Exploration And The, Robert A. Brown, Arthur F. Davidsen, Richard S. Ellis, Wendy L. Freedman, Richard F. Green, ...
this report to represent many interests, with a correspondingly large range of technical and scientific experience and expertise. We recognize this diversity by presenting first, in Parts I and II,...
Las Campanas, Redshift Survey, Benjamin Bromley, William H. Press, Huan Lin, Robert P. Kirshner
We construct a spectral classification scheme for the galaxies of the Las Campanas Redshift Survey (LCRS) based on a principal component analysis of the measured galaxy spectra. We interpret the...
The Environment Of "e+a" Galaxies (2007)
Ann Zabludoff, Dennis Zaritsky, Huan Lin, Yasuhiro Hashimoto, A. Shectman, Augustus Oemler, ...
The spectrum of an "E+A" galaxy (Dressler & Gunn 1983), which is dominated by a young stellar component but lacks the emission lines characteristic of any significant, on-going star...
Large-Scale Structure In The Las Campanas Redshift Survey (2007)
Douglas Tucker, Augustus A. Oemler, Stephen A. Shectman, D. Landy, Robert P. Kirshner, ...
The Las Campanas Redshift Survey (LCRS) is a galaxy survey, out to a redshift of 0.2, which will eventually cover ¸ 1000 square degrees of the North and South Galactic Caps in alternating 1.5 ffi...
The Luminosity Function of Galaxies in the Las Campanas Redshift Survey (2007)
Huan Lin, Robert P. Kirshner, Stephen A. Shectman, Stephen D. L, Augustus Oemler, Paul L. Schechter
We present the R-band luminosity function for a sample of 18678 galaxies, with average redshift z = 0:1, from the Las Campanas Redshift Survey (LCRS). The luminosity function may be fit by a...
The Power Spectrum of Galaxy Clustering in the Las Campanas Redshift Survey (2007)
Huan Lin, Robert P. Kirshner, Stephen A. Shectman, Stephen D. L, Augustus Oemler, Paul L. Schechter
The Las Campanas Redshift Survey (LCRS) contains 23697 galaxies, with an average redshift z = 0:1, distributed over six 1:5 ffi by 80 ffi slices in the North and South galactic caps. We have computed...
The Galaxy-Galaxy Autocorrelation Function for the Las Campanas Redshift Survey (2007)
Douglas Tucker, Volker Muller, Stefan Gottlober, Augustus Oemler, Robert P. Kirshner, Huan Lin, ...
The Las Campanas Redshift Survey (LCRS) is a galaxy survey which extends to a redshift of 0.2 and which is composed of a total of 6 alternating 1:5 ffi \Theta 80 ffi Slices in the North and South...
The 2D Power Spectrum of the Las Campanas Redshift Survey: Detection of Excess Power on 100 h (2007)
Gamma Mpc, Mpc Scales, Stephen D. L, Stephen A. Shectman, Huan Lin, Robert P. Kirshner, ...
We have measured the 2 dimensional (2D) power spectrum of the Las Campanas Redshift Survey on scales between 30 and 200 h \Gamma1 Mpc (q 0 = 0:5, H o = 100h km sec \Gamma1 Mpc \Gamma1 ). Such an...
Saurabh Jha, Peter M. Garnavich, Robert P. Kirshner, Peter Challis, Alicia M. Soderberg, Lucas M. Macri, ...
We present optical and near-infrared photometry and spectroscopy of the Type Ia SN 1998bu in the Leo I Group galaxy M96 (NGC 3368). The data set consists of 356 photometric measurements and 29...
mpahre=cfa.harvard.edu, mgarcia=cfa.harvard.edu, aszentgyorgyi=cfa.harvard.edu AND (2007)
Peter M. Garnavich, Saurabh Jha, Michael A. Pahre, Krzysztof Z. Stanek, Robert P. Kirshner, Michael R. Garcia, ...
We present near-infrared and optical observations of the afterglow to the gamma-ray burst 991216 obtained with the Fred L. Whipple Observatory 1.2 m telescope and the University of Hawaii 2.2 m...
Type Ia Supernovae are Good Standard Candles in the Near Infrared: Evidence from PAIRITEL (2007)
Wood-Vasey, W. Michael, Friedman, Andrew S., Bloom, Joshua S., Hicken, Malcolm, Modjaz, Maryam, Kirshner, Robert P., ...
We have obtained 1087 NIR (JHKs) measurements of 21 SNe Ia using PAIRITEL, nearly doubling the number of well-sampled NIR SN Ia light curves. These data strengthen the evidence that SNe Ia are...
Brown, Peter J., Dessart, Luc, Holland, Stephen T., Immler, Stefan, Landsman, Wayne, Blondin, Stéphane, ...
Improved Distances to Type Ia Supernovae with Multicolor Light Curve Shapes: MLCS2k2 (2006)
Jha, Saurabh, Riess, Adam G., Kirshner, Robert P.
We present an updated version of the Multicolor Light Curve Shape method to measure distances to type Ia supernovae (SN Ia), incorporating new procedures for K-correction and extinction corrections....
Riess, Adam G., Strolger, Louis-Gregory, Casertano, Stefano, Ferguson, Henry C., Mobasher, Bahram, Gold, Ben, ...
We have discovered 21 new Type Ia supernovae (SNe Ia) with the Hubble Space Telescope (HST) and have used them to trace the history of cosmic expansion over the last 10 billion years. These objects,...
SN 1987A After 18 Years: Mid-Infrared GEMINI and SPITZER Observations of the Remnant (2006)
Bouchet, Patrice, Dwek, Eli, Danziger, I. John, Arendt, Richard G., Park, Sangwook, ...
We present high resolution 11.7 and 18.3um mid-IR images of SN 1987A obtained on day 6526 with T-ReCS attached to the Gemini telescope. The 11.7um flux has increased significantly since our last...
Using Line Profiles to Test the Fraternity of Type Ia Supernovae at High and Low Redshifts (2006)
Blondin, Stéphane, Dessart, Luc, Leibundgut, Bruno, Branch, David, Höflich, Peter, Tonry, John L., ...
Using archival data of low-redshift (z < 0.01; Center for Astrophysics and SUSPECT databases) Type Ia supernovae (SNe Ia) and recent observations of high-redshift (0.16 < z < 0.64) SNe Ia, we study...
Using Line Profiles to Test the Fraternity of Type Ia Supernovae at High and Low Redshifts (2006)
Blondin, Stéphane, Dessart, Luc, Leibundgut, Bruno, Branch, David, Höflich, Peter, Tonry, John L., ...
Using archival data of low-redshift (z < 0.01; Center for Astrophysics and SUSPECT databases) Type Ia supernovae (SNe Ia) and recent observations of high-redshift (0.16 < z < 0.64) SNe Ia, we study...
Clocchiatti, Alejandro, Schmidt, Brian P., Filippenko, Alexei V., Challis, Peter, Coil, Alison L., Covarrubias, R., ...
We present observations of the Type I Supernovae (SNe) 1999M, 1999N, 1999Q, 1999S, and 1999U, at redshiftz z ≈ 0.5. They were discovered in early 1999 with the 4.0 m Blanco telescope at Cerro...
Clocchiatti, Alejandro, Schmidt, Brian P., Filippenko, Alexei V., Challis, Peter, Coil, Alison L., Covarrubias, R., ...
We present observations of the Type I Supernovae (SNe) 1999M, 1999N, 1999Q, 1999S, and 1999U, at redshiftz z ≈ 0.5. They were discovered in early 1999 with the 4.0 m Blanco telescope at Cerro...
UBVRI Light Curves of 44 Type Ia Supernovae (2005)
Jha, Saurabh, Kirshner, Robert P., Challis, Peter, Garnavich, Peter M., Matheson, Thomas
We present UBVRI photometry of 44 type-Ia supernovae (SN Ia) observed from 1997 to 2001 as part of a continuing monitoring campaign at the Fred Lawrence Whipple Observatory of the Harvard-Smithsonian...
Riess, Adam G., Strolger, Louis-Gregory, Tonry, John, Casertano, Stefano, Ferguson, Henry C., Mobasher, Bahram, ...
We have discovered 16 Type Ia supernovae (SNe Ia) with the Hubble Space Telescope (HST) and have used them to provide the first conclusive evidence for cosmic deceleration that preceded the current...
The Luminosity of SN 1999by in NGC 2841 and the Nature of `Peculiar' Type Ia Supernovae (2001)
Garnavich, Peter M., Bonanos, Alceste Z., Krisciunas, Kevin, Jha, Saurabh, Kirshner, Robert P., Schlegel, Eric M., ...
We present UBVRIJHK photometry and optical spectroscopy of the so-called 'peculiar' Type Ia supernova 1999by in NGC 2841. The observations began one week before visual maximum light which is...
Young Stellar Populations Around SN1987A (2000)
Panagia, Nino, Romaniello, Martino, Scuderi, Salvatore, Kirshner, Robert P.
We present the results of a study of the stellar population in a region of 30 pc radius around SN1987A, based on an analysis of multi-band HST-WFPC2 images. The effective temperature, radius and,...
BVRI Light Curves for 22 Type Ia Supernovae (1998)
Riess, Adam G., Kirshner, Robert P., Schmidt, Brian P., Jha, Saurabh, Challis, Peter, Garnavich, Peter M., ...
We present 1210 Johnson/Cousins B,V,R, and I photometric observations of 22 recent type Ia supernovae (SNe Ia): SN 1993ac, SN 1993ae, SN 1994M, SN 1994S, SN 1994T, SN 1994Q, SN 1994ae, SN 1995D, SN...
Riess, Adam G., Filippenko, Alexei V., Challis, Peter, Clocchiattia, Alejandro, Diercks, Alan, Garnavich, Peter M., ...
We present observations of 10 type Ia supernovae (SNe Ia) between 0.16 < z < 0.62. With previous data from our High-Z Supernova Search Team, this expanded set of 16 high-redshift supernovae and 34...
A Local Hubble Bubble from SNe Ia? (1998)
Zehavi, Idit, Riess, Adam G., Kirshner, Robert P., Dekel, Avishai
We analyze the monopole in the peculiar velocities of 44 Type Ia supernovae (SNe Ia) to test for a local void. The sample extends from 20 to 300 Mpc/h, with distances, deduced from light-curve...
The Las Campanas Redshift Survey (1996)
Shectman, Stephen A., Landy, Stephen D., Oemler, Augustus, Tucker, Douglas L., Lin, Huan, Kirshner, Robert P., ...
The Las Campanas Redshift Survey (LCRS) consists of 26418 redshifts of galaxies selected from a CCD-based catalog obtained in the $R$ band. The survey covers over 700 square degrees in 6 strips, each...
The Las Campanas Redshift Survey (1996)
Stephen Shectman, Stephen D. L, Augustus Oemler, Douglas L. Tucker, Huan Lin, Robert P. Kirshner, ...
The Las Campanas Redshift Survey (LCRS) consists of 26418 redshifts of galaxies selected from a CCD-based catalog obtained in the R band. The survey covers over 700 square degrees in 6 strips, each...