2002ApJ...565L...9R

Query : 2002ApJ...565L...9R

2002ApJ...565L...9R - Astrophys. J., 565, L9-L12 (2002/January-3)

The birthplace of gamma-ray bursts: abundance gradients and constraints on progenitors.

RAMIREZ-RUIZ E., LAZZATI D. and BLAIN A.W.

Abstract (from CDS):

The physics of gamma-ray bursts (GRBs) and their offsets from the centers of their host galaxies are used to investigate the evolutionary state of their progenitors, motivated by the popular idea that GRBs are linked with the cataclysmic collapse of massive stars. We suggest that GRB progenitors in the inner and outer regions of hosts may be intrinsically different: outer bursts appear to have systematically greater isotropic equivalent energies (or narrower jets). This may provide an interesting clue to the nature of GRBs and may reflect a relation between metallicity and the evolution of GRB progenitors. If true, this offset-isotropic luminosity correlation is a strong argument for a collapsar origin of long-duration GRBs.

Abstract Copyright: ∼

Journal keyword(s): Cosmology: Observations - Gamma Rays: Bursts - Stars: Supernovae: General

Simbad objects: 18

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Number of rows : 18
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 GRB 000911 gB 02 18 42 +07 48.0           ~ 163 0
2 GRB 970228 gB 05 01 46.7 +11 46 53           ~ 650 1
3 GRB 991216 gB 05 09 31.2983 +11 17 07.262           ~ 430 0
4 GRB 990705 gB 05 09 54.5 -72 07 53           ~ 229 1
5 GRB 970508 gB 06 53 49.2 +79 16 19           ~ 883 1
6 GRB 980326 gB 08 36 34.3 -18 51 24           ~ 268 0
7 GRB 980613 gB 10 17 57.8 +71 27 26           ~ 204 1
8 GRB 990506 gB 11 54 41 -26 45.0           ~ 169 1
9 GRB 971214 gB 11 56 26.4 +65 12 01           ~ 445 1
10 GRB 000418 gB 12 25 21 +20 05.0           ~ 219 0
11 GRB 990510 gB 13 38 07.64 -80 29 48.8           ~ 499 1
12 GRB 010222 G 14 52 12.5 +43 01 06           ~ 364 1
13 GRB 990123 gB 15 25 29 +44 45.0     8.95     ~ 1012 1
14 GRB 000301C gB 16 20 18.5 +29 26 35           ~ 361 0
15 GRB 991208 gB 16 33 53.51 +46 27 21.5           ~ 269 1
16 GRB 970828 gB 18 08 31.6 +59 18 51           ~ 353 1
17 GRB 990712 gB 22 31 53.061 -73 24 28.58           ~ 268 1
18 GRB 980703 gB 23 59 06.7 +08 35 07           ~ 453 1

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