Krisciunas, Kevin, Marion, G. H., Suntzeff, Nicholas B., Blanc, Guillaume, Bufano, Filomena, Candia, Pablo, ...
We obtained optical photometry of SN 2003gs on 49 nights, from 2 to 494 days after T(B_max). We also obtained near-IR photometry on 21 nights. SN 2003gs was the first fast declining Type Ia SN that...
SN 2003bg: The First Type IIb Hypernova (2009)
Hamuy, Mario, Deng, Jinsong, Mazzali, Paolo A., Morrell, Nidia I., Phillips, Mark M., Roth, Miguel, ...
Optical and near-infrared photometry and optical spectroscopy are reported for SN 2003bg, starting a few days after explosion and extending for a period of more than 300 days. Our early-time spectra...
The He-rich core-collapse supernova 2007Y: observations from x-ray to radio wavelengths (2009)
Stritzinger, Maximilian, Mazzali, P., Phillips, Mark M., Immler, Stefan, Soderberg, Alicia, Sollerman, Jesper, ...
A detailed study spanning approximately a year has been conducted on the Type Ib supernova (SN) 2007Y. Imaging was obtained from X-ray to radio wavelengths, and a comprehensive set of multi-band...
Optical Spectroscopy of the Somewhat Peculiar Type IIb Supernova 2001ig (2009)
Silverman, Jeffrey M., Mazzali, Paolo, Chornock, Ryan, Filippenko, Alexei V., Clocchiatti, Alejandro, Phillips, Mark M., ...
Here we present previously unpublished optical spectra of supernova (SN) 2001ig, a Type IIb SN, from about a week after explosion until nearly one year later. The earliest spectrum consists of only a...
The He-rich core-collapse supernova 2007Y: Observations from X-ray to Radio Wavelengths (2009)
Stritzinger, Maximilian, Mazzali, Paolo, Phillips, Mark M., Immler, Stefan, Soderberg, Alicia, Sollerman, Jesper, ...
A detailed study spanning approximately a year has been conducted on the Type Ib supernova 2007Y. Imaging was obtained from X-ray to radio wavelengths, and a comprehensive set of multi-band...
The He-rich core-collapse supernova 2007Y: observations from X-ray to radio wavelengths (2009)
Stritzinger, Maximilian, Mazzali, Paolo, Phillips, Mark M., Immler, Stefan, Soderberg, Alicia, Sollerman, Jesper, ...
Optical spectroscopy of the somewhat peculiar type IIb supernova 2001ig (2009)
Silverman, Jeffrey M., Mazzali, Paolo, Chornock, Ryan, Filippenko, Alexei V., Clocchiatti, Alejandro, Phillips, Mark M., ...
Supernova 2003bg: the first type IIb hypernova (2009)
Hamuy, Mario, Deng, Jinsong, Mazzali, Paolo A., Morrell, Nidia I., Phillips, Mark M., Roth, Miguel, ...
Krisciunas, Kevin, Hamuy, Mario, Suntzeff, Nicholas B., Espinoza, Juan, Gonzalez, David, Gonzalez, Luis, ...
We present infrared photometry of SN 1999em, plus optical photometry, infrared photometry, and optical spectroscopy of SN 2003hn. Both objects were Type II-P supernovae. The V-[RIJHK] color curves of...
Late-Time HST Photometry of SN 1994I: Hints of Positron Annihilation Energy Deposition (2008)
Clocchiatti, Alejandro, Wheeler, J. Craig, Kirshner, Robert P., Branch, David, Challis, Peter, Chevalier, Roger A., ...
We present multicolor Hubble Space Telescope (HST) WFPC2 broadband observations of the Type Ic SN 1994I obtained approximately 280 days after maximum light. We measure the brightness of the SN and,...
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...
Feldmeier, John J., Jacoby, George H., Phillips, Mark M.
We report the results of an [O III] lambda 5007 survey for planetary nebulae (PN) in five galaxies that were hosts of well-observed Type Ia supernovae: NGC 524, NGC 1316, NGC 1380, NGC 1448 and NGC...
Optical and Near-Infrared Observations of the Peculiar Type Ia Supernova 1999ac (2006)
Phillips, Mark M., Krisciunas, Kevin, Suntzeff, Nicholas B., Abraham, R. G., Beckett, M. G., Bonati, M., ...
We present 39 nights of optical photometry, 34 nights of infrared photometry, and 4 nights of optical spectroscopy of the Type Ia SN 1999ac. This supernova was discovered two weeks before maximum...
The Carnegie Supernova Project: The low-redshift survey (2006)
Hamuy, Mario, Folatelli, Gastón, Morrell, Nidia I., Phillips, Mark M., Suntzeff, Nicholas B., Persson, S. E., ...
Supernovae are essential to understanding the chemical evolution of the universe. Type Ia supernovae also provide the most powerful observational tool currently available for studying the expansion...
Optical and near-infrared observations of the peculiar Type la supernova 1999ac (2006)
Phillips, Mark M., Krisciunas, Kevin, Suntzeff, Nicholas B., Abraham, R. G., Beckett, M. G., Bonati, Marco, ...
We present 39 nights of optical photometry, 34 nights of IR photometry, and 4 nights of optical spectroscopy of the Type la supernova 1999ac. This supernova was discovered 2 weeks before maximum...
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...
Optical and near-infrared observations of the peculiar Type la supernova 1999ac (2006)
Phillips, Mark M., Krisciunas, Kevin, Suntzeff, Nicholas B., Abraham, R. G., Beckett, M. G., Bonati, Marco, ...
We present 39 nights of optical photometry, 34 nights of IR photometry, and 4 nights of optical spectroscopy of the Type la supernova 1999ac. This supernova was discovered 2 weeks before maximum...
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...
The Carnegie Supernova Project: The Low-Redshift Survey (2005)
Hamuy, Mario, Folatelli, Gastón, Morrell, Nidia I., Phillips, Mark M., Suntzeff, Nicholas B., Persson, S. E., ...
Supernovae are essential to understanding the chemical evolution of the Universe. Type Ia supernovae also provide the most powerful observational tool currently available for studying the expansion...
Krisciunas, Kevin, Suntzeff, Nicholas B., Phillips, Mark M., Candia, Pablo, Prieto, Jose Luis, Antezana, R., ...
We present optical and/or infrared photometry of the Type Ia supernovae SN 1991T, SN 1991bg, SN 1999ek, SN 2001bt, SN 2001cn, SN 2001cz, and SN 2002bo. All but one of these supernovae have decline...
SN Ib 1990I: Clumping and Dust in the Ejecta? (2004)
Elmhamdi, A., Danziger, I. J., Cappellaro, E., Della Valle, M., Gouiffes, C., Phillips, Mark M., ...
Photometry and spectra of the type Ib SN 1990I are presented and analysed, covering about 400 days of evolution. The presence of optical helium lines is shown. SN 1990I seems to show higher...
Krisciunas, Kevin, Phillips, Mark M., Suntzeef, Nicholas B., Persson, S. E., Hamuy, Mario, Antezana, Roberto, ...
We present near-infrared photometry of the Type la supernova (SN) 1999ee; also, optical and infrared photometry of the Type la SNe 2000bh, 2000ca, and 2001ba. For SNe 1999ee and 2000bh, we present...
Krisciunas, Kevin, Phillips, Mark M., Suntzeef, Nicholas B., Persson, S. E., Hamuy, Mario, Antezana, Roberto, ...
We present near-infrared photometry of the Type la supernova (SN) 1999ee; also, optical and infrared photometry of the Type la SNe 2000bh, 2000ca, and 2001ba. For SNe 1999ee and 2000bh, we present...
Hubble Diagrams of Type Ia Supernovae in the Near Infrared (2003)
Krisciunas, Kevin, Phillips, Mark M., Suntzeff, Nicholas B.
From observations of 7 Type Ia supernovae obtained during the last four years at the Las Campanas and Cerro Tololo Inter-American Observatories, along with previous published data for 9 supernovae,...
Krisciunas, Kevin, Phillips, Mark M., Suntzeff, Nicholas B., Persson, S. E., Hamuy, Mario, Antezana, Roberto, ...
We present near infrared photometry of the Type Ia supernova 1999ee; also, optical and infrared photometry of the Type Ia SNe 2000bh, 2000ca, and 2001ba. For SNe 1999ee and 2000bh we present the...
Imaging and Demography of the Host Galaxies of High-Redshift Type Ia Supernovae (2003)
Williams, Benjamin F., Hogan, Craig J., Barris, Brian, Candia, Pablo, Challis, Peter, Clocchiatti, Alejandro, ...
We present the results of a study of the host galaxies of high redshift Type Ia supernovae (SNe Ia). We provide a catalog of 18 hosts of SNe Ia observed with the Hubble Space Telescope (HST) by the...
Cosmological Results from High-z Supernovae (2003)
Tonry, John L., Schmidt, Brian P., Barris, Brian, Candia, Pablo, Challis, Peter, Clocchiatti, Alejandro, ...
The High-z Supernova Search Team has discovered and observed 8 new supernovae in the redshift interval z=0.3-1.2. These independent observations, confirm the result of Riess et al. (1998a) and...
Optical and Infrared Photometry of the Nearby Type Ia Supernova 2001el (2002)
Krisciunas, Kevin, Suntzeff, Nicholas B., Candia, Pablo, Arenas, Jose, Espinoza, Juan, Gonzalez, David, ...
We present well sampled optical (UBVRI) and infrared (JHK) light curves of the nearby (~18.0 Mpc) Type Ia supernova SN 2001el, from 11 days before to 142 days after the time of B-band maximum. The...
Krisciunas, Kevin, Phillips, Mark M., Stubbs, Christopher, Rest, Armin, Miknaitis, Gajus, Riess, Adam G., ...
We present BVRI photometry of the Type Ia supernovae 1999da, 1999dk, 1999gp, 2000bk, and 2000ce, plus infrared photometry of three of these. These objects exhibit the full range of decline rates of...
The Luminous Type Ic SN 1992ar at z=0.145 (1999)
Clocchiatti, Alejandro, Phillips, Mark M., Suntzeff, Nicholas B., DellaValle, Massimo, Cappellaro, Enrico, Turatto, Massimo, ...
We present spectroscopic and photometric observations of SN1992ar, the more distant SN in the Calan/Tololo Survey. We compare its spectrum with those of nearby Type Ia and Ic SNe and conclude that...
Hubble Space Telescope Spectroscopic Observations of the Ejecta of SN 1987A at 2000 Days (1996)
Wang, Lifan, Wheeler, J. Craig, Kirshner, Robert P., Challis, Peter M., Filippenko, Alexei V., Fransson, Claes, ...
We have used the Faint Object Spectrograph on the Hubble Space Telescope to observe the spectra of SN 1987A over the wavelength range 2000 -- 8000\ \AA\ on dates 1862 and 2210 days after the...
Eastman, Ronald G., Phillips, Mark M., Suntzeff, Nicholas B., Hamuy, Mario, Maza, Jose, ...
We have used observations gathered at CTIO to measure distances by the Expanding Photosphere Method (EPM) to 5 Type II supernovae. These supernovae lie at redshifts from cz = 1100 km/s to z = 5500...