2008MNRAS.388L...6S

Query : 2008MNRAS.388L...6S

2008MNRAS.388L...6S - Mon. Not. R. Astron. Soc., 388, L6-L9 (2008/July-3)

Short Gamma-ray bursts: a bimodal origin ?

SALVATERRA R., CERUTTI A., CHINCARINI G., COLPI M., GUIDORZI C. and ROMANO P.

Abstract (from CDS):

Short-hard Gamma-Ray Bursts (SGRBs) are currently thought to arise from gravitational wave driven coalescences of double neutron star systems forming either in the field or dynamically in globular clusters. For both channels, we fit the peak flux distribution of BATSE SGRBs to derive the local burst formation rate and luminosity function. We then compare the resulting redshift distribution with Swift 2-yr data, showing that both formation channels are needed in order to reproduce the observations. Double neutron stars forming in globular clusters are found to dominate the distribution at z ≲ 0.3, whereas the field population from primordial binaries can account for the high-z SGRBs. This result is not in contradiction with the observed host galaxy type of SGRBs.

Abstract Copyright: © 2008 The Authors. Journal compilation © 2008 RAS

Journal keyword(s): stars: formation - cosmology: observations - gamma-rays: burst

Simbad objects: 23

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Number of rows : 23
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 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
2 GRB 070209 gB 03 04 51.200 -47 22 34.19           ~ 45 0
3 GRB 050906 gB 03 31 15.28 -14 36 30.1           ~ 76 1
4 GRB 060313 G 04 26 28.4020 -10 50 39.901 20.55 21.03 19.66     ~ 156 0
5 GRB 061006 G 07 24 07.8080 -79 11 55.188           ~ 214 0
6 SDSS J093805.33+153719.0 G 09 38 05.33384 +15 37 19.0406           ~ 146 0
7 GRB 061217 gB 10 41 39.320 -21 07 22.11           ~ 128 0
8 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 7815 3
9 SDSS J123612.87+285858.8 BiC 12 36 12.8803407000 +28 58 58.780075656           ~ 328 1
10 GRB 060801 G 14 12 01.2620 +16 58 55.970           ~ 172 0
11 GRB 051114A gB 15 05 03.8 +60 09 22           ~ 29 0
12 GRB 050813 gB 16 07 57.190 +11 14 57.80           ~ 147 0
13 UGCS J162444.39-273226.8 G 16 24 44.38275 -27 32 26.8381     19.70     ~ 469 1
14 GRB 051105A gB 17 41 10.010 +34 55 45.16 21.26 21.20 20.33     ~ 53 0
15 GRB 060502B gB 18 35 46.060 +52 37 51.45           ~ 153 1
16 GRB 050202 gB 19 22 18.0 -38 44 06           ~ 36 0
17 GRB 050925 gB 20 13 47.570 +34 19 51.40           ~ 72 0
18 GRB 060614 G 21 23 32.140 -53 01 36.10           ~ 714 0
19 GRB 051221 G 21 54 48.626 +16 53 27.16 19.49         ~ 377 0
20 GRB 051210 gB 22 00 40.930 -57 36 47.10           ~ 138 0
21 GRB 060505 gB 22 07 03.440 -27 48 51.89           ~ 286 1
22 GRB 061201 gB 22 08 32.060 -74 34 47.90           ~ 205 0
23 NVSS J230126-385839 rG 23 01 26.7650 -38 58 40.422   22.22 21.22 21   ~ 325 1

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