Lampeitl, H., Nichol, R. C., Giannantonio, T., Shapiro, C., Bassett, B., ...
We present an analysis of the luminosity distances of Type Ia Supernovae from the Sloan Digital Sky Survey-II (SDSS-II) Supernova Survey in conjunction with other intermediate redshift (z97% level...
Sollerman, J., Mörtsell, E., Davis, T. M., Blomqvist, M., Bassett, B., Becker, A. C., ...
We use the new SNe Ia discovered by the SDSS-II Supernova Survey together with additional supernova datasets as well as observations of the cosmic microwave background and baryon acoustic...
Modjaz, Maryam, Li, W., Butler, N., Chornock, R., Perley, D., Blondin, S., ...
(ABRIDGED) We present extensive early photometric (UBVRr'Ii'JHKs) and spectroscopic (optical and near-infrared) data on supernova (SN) 2008D as well as X-ray data on the associated X-ray transient...
Levan, A., Fruchter, A., Rhoads, J., Mobasher, B., Tanvir, N., Gorosabel, J., ...
We present near-infrared (NIR) and optical observations of the afterglow of GRB 030115. Discovered in an infrared search at Kitt Peak 5 hr after the burst trigger, this afterglow is the faintest ever...
Clocchiatti, A., Schmidt, B., Filippenko, A., Challis, P., Coil, A., Covarrubias, R., ...
We present observations of the Type Ia supernovae (SNe) 1999M, 1999N, 1999Q, 1999S, and 1999U, at redshift z~0.5. They were discovered in early 1999 with the 4.0~m Blanco telescope at Cerro Tololo...
Using Line Profiles to Test the Fraternity of Type Ia Supernovae at High and Low Redshifts (2005)
Blondin, S., Dessart, L., Leibundgut, B., Branch, D., Hoeflich, P., Tonry, J. L., ...
Using archival data of low-redshift (z < 0.01) Type Ia supernovae (SN Ia) and recent observations of high-redshift (0.16 < z 1.7] SN Ia, which are also subluminous. In addition, we give the first...
A Gamma-Ray Burst Mission to Investigate the Properties of Dark Energy (2005)
Lamb, D. Q., Ricker, G. R., Lazzati, D., Ghirlanda, G., Ghisellini, G., Firmani, C., ...
[Abridged] Very recently, relations between the peak energy of Gamma-Ray Burst burst spectra, the isotropic-equivalent energy of the burst, and the radiated energy of the burst have been found. In a...
Fynbo, J. P. U., Gorosabel, J., Smette, A., Fruchter, A., Hjorth, J., Pedersen, K., ...
(Abridged) We report on HST observations of the late-time afterglow and host galaxy of GRB021004 (z=2.33). Although this GRB is one of the best observed so far, there is substantial disagreement...
Limits from the Hubble Space Telescope on a Point Source in SN 1987A (2005)
Graves, G. J. M., Challis, P. M., Chevalier, R. A., Crotts, A., Filippenko, A. V., Fransson, C., ...
We observed supernova 1987A (SN 1987A) with the Space Telescope Imaging Spectrograph (STIS) on the Hubble Space Telescope (HST) in 1999 September, and again with the Advanced Camera for Surveys (ACS)...
Fynbo, J.P.U., Gorosabel, J., Smette, A., Fruchter, A., Hjorth, J., Pedersen, K., ...
We report on Hubble Space Telescope (HST) observations of the late-time afterglow and host galaxy of GRB 021004 (z=2.33). Although this gamma-ray burst (GRB) is one of the best observed so far in...
GRB 020410: A Gamma-Ray Burst Afterglow Discovered by Its Supernova Light (2005)
Levan, A., Nugent, P., Fruchter, A., Burud, I., Branch, D., Rhoads, J., ...
We present the discovery and monitoring of the optical transient (OT) associated with GRB 020410. The fading OT was found by Hubble Space Telescope (HST) observations taken 28 and 65 days after burst...
Fransson, C, Challis, PM, Chevalier, RA, Filippenko, AV, Kirshner, RP, Kozma, C, ...
Ground-based and Hubble Space Telescope observations are presented for SN 1993J and SN 1998S. SN 1998S shows strong, relatively narrow circumstellar emission lines of N III-V and C III-IV, as well as...
Fynbo, J.P.U., Gorosabel, J., Smette, A., Fruchter, A., Hjorth, J., Pedersen, K., ...
We report on Hubble Space Telescope (HST) observations of the late-time afterglow and host galaxy of GRB 021004 (z = 2.33). Although this gamma-rayburst (GRB) is one of the best observed so far in...
Spectroscopy of High-Redshift Supernovae from the ESSENCE Project: The First Two Years (2004)
Matheson, T., Blondin, S., Foley, R. J., Chornock, R., Filippenko, A. V., Leibundgut, B., ...
We present the results of spectroscopic observations of targets discovered during the first two years of the ESSENCE project. The goal of ESSENCE is to use a sample of ~200 Type Ia supernovae (SNe...
A New Cataclysmic Variable in Hercules (2004)
Price, A., Gary, B., Bedient, J., Cook, L., Templeton, M., Pullen, C., ...
We present time-series observations, spectra and archival outburst data of a newly-discovered variable star in Hercules, Var Her 04. Its orbital period, mass ratio, and outburst amplitude resemble...
Molecular Hydrogen and Excitation in the HH 1-2 System (2004)
Noriega-Crespo, A., Garnavich, P.
We present a series of molecular hydrogen images of the Herbig-Haro 1-2 system in the 1-0 S(1) transition at 2.121 microns, with a spatial resolution of ~2 inches. The distribution of H2 is then...
Optical and Near Infrared Study of the Cepheus E Outflow, a Very Low Excitation Object (2004)
Noreiga-Crespo, A., Ayala, S., Garnavich, P., Curiel, S., Raga, A., Bohm, K., ...
In this study, we explore the link between the physical properties of the outflow as determined from optical imaging and spectroscopy, and compare these results with those obtained from observations...
The Microlensing Planet Finder: Completing the Census of Extrasolar Planets in the Milky Way (2004)
Bennett, D. P., Bond, I., Cheng, E., Friedman, S., Garnavich, P., Gaudi, B., ...
The Microlensing Planet Finder (MPF) is a proposed Discovery mission that will complete the first census of extrasolar planets with sensitivity to planets like those in our own solar system. MPF will...
GRB 020410: A Gamma-Ray Burst Afterglow Discovered by its Supernova Light (2004)
Levan, A., Nugent, P., Fruchter, A., Burud, I, Branch, D., Rhoads, J., ...
We present the discovery and monitoring of the optical transient (OT) associated with GRB 020410. The fading OT was found by Hubble Space Telescope (HST) observations taken 28 and 65 days after burst...
Optical Spectra of the Type Ia Supernova 1998aq (2003)
Branch, D., Garnavich, P., Matheson, T., Baron, E., Thomas, R. C., Hatano, K., ...
We present 29 optical spectra of the normal Type Ia SN 1998aq, ranging from 9 days before to 241 days after the time of maximum brightness. This spectroscopic data set, together with photometric data...
Michael, E, McCray, R, Chevalier, R, Filippenko, AV, Lundqvist, P, Challis, P, ...
We present two-dimensional line profiles of high-velocity (~+/-12,000 km s-1) Lyalpha and Halpha emission from supernova remnant 1987A obtained with the Space Telescope Imaging Spectrograph between...
The Galactic Exoplanet Survey Telescope (GEST) (2002)
Bennett, D. P., Bally, J., Bond, I., Cheng, E., Cook, K., Deming, D., ...
The Galactic Exoplanet Survey Telescope (GEST) will observe a 2 square degree field in the Galactic bulge to search for extra-solar planets using a gravitational lensing technique. This gravitational...
Cosmological Parameters, Dark Energy and Large Scale Structure (2002)
Deustua, S. E., Caldwell, R., Garnavich, P., Hui, L., Refregier, A.
We review the current status of cosmological parameters, dark energy and large-scale structure, from a theoretical and observational perspective. We first present the basic cosmological parameters...
The Axially Symmetric Ejecta of Supernova 1987A (2002)
Wang, L., Wheeler, J. C., Hoeflich, P., Khokhlov, A., Baade, D., Branch, D., ...
Extensive early observations proved that the ejecta of supernova 1987A (SN 1987A) are aspherical. Fifteen years after the supernova explosion, the Hubble Space Telescope has resolved the rapidly...
Supernova 1998bw - The final phases (2002)
Sollerman, J., Holland, S. T., Challis, P., Fransson, C., Garnavich, P., Kirshner, R. P., ...
The probable association with GRB 980425 immediately put SN 1998bw at the forefront of supernova research. Here, we present revised late-time BVRI light curves of the supernova, based on template...
Extraordinary Late-Time Infrared Emission of Type IIn Supernovae (2002)
Gerardy, C. L., Fesen, R. A., Nomoto, K., Garnavich, P., Jha, S., Challis, P. M., ...
Near-Infrared (NIR) observations are presented for five Type IIn supernovae (SN 1995N, SN 1997ab, SN 1998S, SN 1999Z, and SN 1999el) that exhibit strong infrared excesses at late times (t >= 100 d)....
The Axisymmetric Ejecta of Supernova 1987A (2002)
Wang, L, Wheeler, JC, Hoflich, P, Khokhlov, A, Baade, D, Branch, D, ...
Extensive early observations proved that the ejecta of supernova 1987A (SN 1987A) are aspherical. The most important of these early observations include (1) the 'Bochum event' that revealed...
Torres, M. A. P., Callanan, P. J., Garcia, M. R., McClintock, J. E., Garnavich, P., Balog, Z., ...
We present spectroscopic observations of the X-ray transient XTE J1118+480 acquired during different epochs following the 2000 March outburst. We find that the emission line profiles show variations...
The discovery of Cepheids and a new distance to NGC 2841 using the Hubble Space Telescope (2001)
Macri, L., Stetson, P., Bothun, G., Freedman, W., Garnavich, P., Jha, S., ...
Also archived in: arXiv:astro-ph/0105491 v1 28 May 2001
The Type Ia Supernova 1998bu in M96 and the Hubble Constant (1999)
Jha, S., Garnavich, P., Kirshner, R., Challis, P., Soderberg, A., Macri, L., ...
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...
The Peculiar Type Ic Supernova 1997ef: Another Hypernova (1998)
Iwamoto, K., Nakamura, T., Nomoto, K., Mazzali, P. A., Danziger, I. J., Garnavich, P., ...
SN 1997ef has been recognized as a peculiar supernova from its light curve and spectral properties. The object was classified as a Type Ic supernova (SN Ic) because its spectra are dominated by broad...
Highly Collimated Molecular Hydrogen Jets Near IRAS 05487+0255: NIR Imaging and Spectroscopy (1997)
Garnavich, P., Noriega-Crespo, A., Raga, A., Bohm, K. H.
We present new narrow-band near-infrared images together with K band spectra of highly collimated bipolar jets close to the IRAS 05487+0255 source. The jets are located at 50" West of the Herbig-Haro...
Time Dilation from Spectral Feature Age Measurements of Type Ia Supernovae (1997)
Riess, A. G., Filippenko, A. V., Leonard, D. C., Schmidt, B. P., Suntzeff, N., Phillips, M. M., ...
We have developed a quantitative, empirical method for estimating the age of Type Ia supernovae (SNe Ia) from a single spectral epoch. The technique examines the goodness of fit of spectral features...