An HST Study of the Supernovae Accompanying GRB 040924 and GRB 041006

Bibcode
2006ApJ...636..391S
DOI
10.1086/498009
Soderberg, A. M.; Kulkarni, S. R.; Price, P. A.; Fox, D. B.; Berger, E.; Moon, D.-S.; Cenko, S. B.; Gal-Yam, A.; Frail, D. A.; Chevalier, R. A.; Cowie, L.; Da Costa, G. S.; MacFadyen, A.; McCarthy, P. J.; Noel, N.; Park, H. S.; Peterson, B. A.; Phillips, M. M.; Rauch, M.; Rest, A.; Rich, J.; Roth, K.; Roth, M.; Schmidt, B. P.; Smith, R. C.; Wood, P. R.
Referencia bibliográfica

The Astrophysical Journal, Volume 636, Issue 1, pp. 391-399.

Fecha de publicación:
1
2006
Revista
The Astrophysical Journal
Número de autores
26
Número de autores del IAC
1
Número de citas
80
Número de citas referidas
70
Descripción
We present the results from a Hubble Space Telescope ACS study of the supernovae (SNe) associated with gamma-ray bursts (GRBs) 040924 (z=0.86) and 041006 (z=0.71). We find evidence that both GRBs were associated with an SN 1998bw-like supernova dimmed by ~1.5 and ~0.3 mag, respectively, making GRB 040924 the faintest GRB-associated SN ever detected. We study the luminosity dispersion in GRB/XRF-associated SNe and compare to local Type Ibc SNe from the literature. We find significant overlap between the two samples, suggesting that GRB/XRF-associated SNe are not necessarily more luminous and do not necessarily produce more 56Ni than local SNe. Based on the current (limited) data sets, we find that the two samples may share a similar 56Ni production mechanism.
Tipo
Con árbitro
Rayos gamma
Supernovas

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