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Using Spatial Distributions to Constrain Progenitors of Supernovae and Gamma Ray Bursts
Cody Raskin, Evan Scannapieco, James Rhoads +1
We carry out a comprehensive theoretical examination of the relationship between the spatial distribution of optical transients and the properties of their progenitor stars. By con…
How many supernovae are we missing at high redshift?
F. Mannucci, M. Della Valle, N. Panagia
Near-infrared and radio searches for core-collapse supernovae (CC SNe) in the local universe have shown that the vast majority of the events occurring in massive starburst are miss…
On the Rates of Gamma Ray Bursts and Type Ib/c Supernovae
Dafne Guetta, Massimo Della Valle
We measure the local rates of ``low-luminosity'' (LL-GRBs, i.e. L<10^{48--49}erg/sec) and ``high-luminosity'' Gamma-ray Bursts (HL-GRBs). The values are in the range n0=100--1800 G…
Models for the Type Ic Hypernova SN 2003lw associated with GRB 031203
Paolo A. Mazzali, Jinsong Deng, Elena Pian +10
The Gamma-Ray Burst 031203 at a redshift z=0.1055 revealed a highly reddened Type Ic Supernova, SN 2003lw, in its afterglow light. This is the third well established case of a link…
Why Are Radio-Galaxies Prolific Producers of Type Ia Supernovae?
M. Della Valle, N. Panagia, P. Padovani +3
An analysis of SNIa events in early type galaxies from the Cappellaro et al (1999) database provides conclusive evidence that the rate of type Ia Supernovae (SNe) in radio-loud gal…
Chandra observations of the recurrent nova IM Nor
Marina Orio, Emre Tepedelenlioglu, Sumner Starrfield +2
The recurrent nova IM Nor was observed twice in X-rays with Chandra ACIS-S, 1 and 6 months after the optical outburst. It was not detected in the first observation, with an upper l…