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Spectropolarimetric Observations of Supernovae
Alexei V. Filippenko, Douglas C. Leonard
We briefly review the existing database of supernova spectropolarimetry, concentrating on recent data and on results from our group's research. Spectropolarimetry provides the only…
GRB 021004: A Possible Shell Nebula around a Wolf-Rayet Star Gamma-Ray Burst Progenitor
N. Mirabal, J. P. Halpern, R. Chornock +2
The rapid localization of GRB 021004 by the HETE-2 satellite allowed nearly continuous monitoring of its early optical afterglow decay, as well as high-quality optical spectra that…
23 High Redshift Supernovae from the IfA Deep Survey: Doubling the SN Sample at z>0.7
Brian J. Barris, John Tonry, Stephane Blondin +29
We present photometric and spectroscopic observations of 23 high redshift supernovae spanning a range of z=0.34-1.03, 9 of which are unambiguously classified as Type Ia. These supe…
Observations of Type Ia Supernovae, and Challenges for Cosmology
Weidong Li, Alexei V. Filippenko
Observations of Type Ia supernovae (SNe Ia) reveal correlations between their luminosities and light-curve shapes, and between their spectral sequence and photometric sequence. Ass…
Imaging and Demography of the Host Galaxies of High-Redshift Type Ia Supernovae
Benjamin F. Williams, Craig J. Hogan, Brian Barris +24
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 Teles…
Optical, Ultraviolet, and Infrared Observations of SN 1993J
Alexei V. Filippenko, Thomas Matheson
We review the existing set of optical/UV/IR observations of Supernova 1993J, concentrating heavily on optical data because these are by far the most plentiful. Some results from th…