2005A&A...439L..15C


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.12CEST12:48:13

2005A&A...439L..15C - Astronomy and Astrophysics, volume 439, L15-18 (2005/8-4)

GRB 050509b: the elusive optical/nIR/mm afterglow of a short-duration GRB.

CASTRO-TIRADO A.J., DE UGARTE POSTIGO A., GOROSABEL J., FATHKULLIN T., SOKOLOV V., BREMER M., MARQUEZ I., MARIN A.J., GUZIY S., JELINEK M., KUBANEK P., HUDEC R., VITEK S., MATEO SANGUINO T.J., EIGENBROD A., PEREZ-RAMIREZ M.D., SOTA A., MASEGOSA J., PRADA F. and MOLES M.

Abstract (from CDS):

We present multiwavelength (optical/near infrared/millimetre) observations of a short duration gamma-ray burst detected by Swift (GRB 050509b) collected between 0 seconds and ∼18.8-days after the event. No optical, near infrared or millimetre emission has been detected in spite of the well localised X-ray afterglow, confirming the elusiveness of the short duration events. We also discuss the possibility of the burst being located in a cluster of galaxies at z=0.225 or beyond. In the former case, the spectral energy distribution of the neighbouring, potential host galaxy, favours a system harbouring an evolved dominant stellar population (age ∼360Myr), unlike most long duration GRB host galaxies observed so far, i.e. thus giving support to a compact binary merger origin. Any underlying supernova that could be associated with this particular event should have been at least 3 magnitudes fainter than the type Ib/c SN 1998bw and 2.3mag fainter than a typical type Ia SN.

Abstract Copyright:

Journal keyword(s): gamma rays: bursts - techniques: photometric - cosmology: observations

Simbad objects: 10

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Number of rows : 10

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 [CSB2005b] S6 G 12 33 13.63 +28 59 07.7           ~ 5 0
2 ZwCl 1234+2916 ClG 12 36 10.24 +28 59 00.9           ~ 23 1
3 2MASXI J1236128+285858 BiC 12 36 12.861 +28 58 58.10           ~ 23 1
4 [CSB2005b] S1 G 12 36 13.7 +28 58 57           ~ 7 0
5 [CSB2005b] S4 ? 12 36 13.7 +28 59 03           ~ 6 0
6 [CSB2005b] S5 ? 12 36 13.88 +28 59 01.0           ~ 6 0
7 [CSB2005b] S3 ? 12 36 14.0 +28 59 01           ~ 7 0
8 [CSB2005b] S2 G 12 36 14.1 +28 59 00           ~ 7 0
9 GRB 050509B gB 12 36 18.000 +29 01 24.00           ~ 278 1
10 SN 1998bw SN* 19 35 03.17 -52 50 46.1   14.09       SNIc 1650 2

    Equat.    Gal    SGal    Ecl

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2020.07.12-12:48:13

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