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SN 2006gy: An extremely luminous supernova in the galaxy NGC 1260
E. O. Ofek, P. B. Cameron, M. M. Kasliwal +8
With an extinction-corrected V-band peak absolute magnitude of about -22, supernova (SN) 2006gy is probably the brightest SN ever observed. We report on multi-wavelength observatio…
Preliminary Results from the Caltech Core-Collapse Project (CCCP)
Avishay Gal-Yam, S. B. Cenko, D. B. Fox +4
We present preliminary results from the Caltech Core-Collapse Project (CCCP), a large observational program focused on the study of core-collapse SNe. Uniform, high-quality NIR and…
The Incidence of Dwarf Novae in Large Area Transient Searches
A. Rau, R. Schwarz, S. R. Kulkarni +6
Understanding and quantifying the contribution of known classes of transient and variable sources is an important lesson to be learned from the manifold of pre-cursors programs of…
A New Population of High Redshift Short-Duration Gamma-Ray Bursts
E. Berger, D. B. Fox, P. A. Price +23
The redshift distribution of the short-duration GRBs is a crucial, but currently fragmentary, clue to the nature of their progenitors. Here we present optical observations of nine…
The short-hard GRB 051103: Observations and implications for its nature
E. O. Ofek, S. R. Kulkarni, E. Nakar +6
The bright short-hard GRB 051103 was triangulated by the inter-planetary network and found to occur in the direction of the nearby M81/M82 galaxy group. Given its possible local-Un…
High-Resolution Spectroscopy of GRB030226: Features of a Massive Star Progenitor or Intervening Absorption Systems?
Min-Su Shin, Edo Berger, Bryan E. Penprase +7
We present a high-resolution Keck/ESI spectrum of GRB, which exhibits four absorption systems at z=1.04329, 1.95260, 1.96337, and 1.98691. The two highest redshift systems, separat…