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SN 2009bb: a Peculiar Broad-Lined Type Ic Supernova
Giuliano Pignata, Maximilian Stritzinger, Alicia Soderberg +23
Ultraviolet, optical, and near-infrared photometry and optical spectroscopy of the broad-lined Type Ic supernova (SN) 2009bb are presented, following the flux evolution from -10 to…
Supernova 2008bk and Its Red Supergiant Progenitor
Schuyler D. Van Dyk, Tim J. Davidge, Nancy Elias-Rosa +8
We have obtained limited photometric and spectroscopic data for Supernova (SN) 2008bk in NGC 7793, primarily at >~ 150 d after explosion. We find that it is a Type II-Plateau (II-P…
No Correlation Between Host Galaxy Metallicity and Gamma-Ray Energy Release for Long-Duration Gamma-Ray Bursts
Emily M. Levesque, Alicia M. Soderberg, Lisa J. Kewley +1
We compare the redshifts, host galaxy metallicities, and isotropic (E_gamma,iso) and beaming-corrected (E_gamma) gamma-ray energy release of 16 long-duration gamma-ray bursts (LGRB…
The Host Galaxies of Gamma-Ray Bursts II: A Mass-Metallicity Relation for Long-Duration Gamma-Ray Burst Host Galaxies
Emily M. Levesque, Lisa J. Kewley, Edo Berger +1
We present a statistically robust mass-metallicity (M-Z) relation for long-duration gamma-ray burst (LGRB) host galaxies at z < 1. By comparing the LGRB host M-Z relation to sample…
Spectroscopic Discovery of the Broad-Lined Type Ic Supernova 2010bh Associated with the Low-Redshift GRB 100316D
Ryan Chornock, Edo Berger, Emily M. Levesque +14
We present the spectroscopic discovery of a broad-lined Type Ic supernova (SN 2010bh) associated with the nearby long-duration gamma-ray burst (GRB) 100316D. At z = 0.0593, this is…
A High-Metallicity Host Environment for the Long-Duration GRB 020819
Emily M. Levesque, Lisa J. Kewley, John F. Graham +1
We present spectroscopic observations of the host galaxy and explosion site of the long-duration gamma-ray burst GRB 020819. We determine a metallicity for this host environment of…