1999A&AS..138..469G

Query : 1999A&AS..138..469G

1999A&AS..138..469G - Astron. Astrophys., Suppl. Ser., 138, 469-470 (1999/September-0)

Evidence against an association between gamma-ray bursts and Type I supernovae.

GRAZIANI C., LAMB D.Q. and MARION G.H.

Abstract (from CDS):

We use a rigorous method, based on Bayesian inference, for calculating the odds favoring the hypothesis that any particular class of astronomical transients produce gamma-ray bursts over the hypothesis that they do not. We then apply this method to a sample of 83 Type Ia supernovae and a sample of 20 Type Ib-Ic supernovae. We find overwhelming odds against the hypothesis that all Type Ia supernovae produce gamma-ray bursts, whether at low redshift (109:1) or high-redshift (1012:1), and very large odds (6000:1) against the hypothesis that all Type Ib, Ib/c, and Ic supernovae produce observable gamma-ray bursts. We find large odds (34:1) against the hypothesis that a fraction of Type Ia supernovae produce observable gamma-ray bursts, and moderate odds (6:1) against the hypothesis that a fraction of Type Ib-Ic supernovae produce observable bursts.

Abstract Copyright: ∼

Journal keyword(s): gamma-rays: bursts - stars: supernovae, general

Simbad objects: 1

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Number of rows : 1
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 SN 1998bw SN* 19 35 03.17 -52 50 46.1   14.09       SNIc 1928 2

Query : 1999A&AS..138..469G

Basic data :
SN 1998bw -- SuperNova
Other object types: otypes_help 		gB (GRB,Trigger,...), SN* (2016ApJ,SN), V* (AAVSO)
ICRS coord. (ep=J2000) : 		19 35 03.17 -52 50 46.1 [ ] D 2008yCat.2283....0B
FK4 coord. (ep=B1950 eq=1950) : 		19 31 08.21 -52 57 22.2 [ ]
Gal coord. (ep=J2000) : 		344.99305 -27.71686 [ ]
Radial velocity / Redshift / cz : 		V(km/s) 2537 [~] / z(~) 0.0085 [~] / cz 2548 [~]
   D 1998IAUC.6896Q...1T
Spectral type: 		SNIc C 2008yCat....1.2024B
Fluxes (1) :
B 14.09 [~] D 2008yCat.2283....0B
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Hierarchy : number of linked objects
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Identifiers (6) :
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SN 1998bw Trigger 6707 [STK2001] 10928c
GRB 980425 XRF 980425 AAVSO 1927-53

References (1928 between 1850 and 2026) (Total 1928)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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