2003ApJ...599..957B


Query : 2003ApJ...599..957B

2003ApJ...599..957B - Astrophys. J., 599, 957-963 (2003/December-3)

The first two host galaxies of X-ray flashes: XRF 011030 and XRF 020427.

BLOOM J.S., FOX D., VAN DOKKUM P.G., KULKARNI S.R., BERGER E., DJORGOVSKI S.G. and FRAIL D.A.

Abstract (from CDS):

Given the paucity of empirical constraints, the nature of the newly recognized phenomena called X-ray flashes (XRFs) has been an open question. However, with the recent detections of radio and X-ray afterglow it is finally possible to study the large- and small-scale environments of XRFs. We present Chandra, Hubble Space Telescope (HST), and Keck observations of the fields of XRFs 011030 and 020427. Astrometric comparisons of the X-ray transient positions and the HST images reveal the XRFs to be associated with faint blue galaxies. Photometric evidence of these putative hosts suggests that these two XRFs originated from redshifts less than z∼3.5, and thus cannot be due to GRBs at very high redshifts. In both host-burst offsets and host properties, these XRFs could have been drawn from distributions similar to those measured of gamma-ray bursts (GRBs). We conclude with a discussion of the implications of this XRF-GRB host connection for the possible progenitors of XRFs.

Abstract Copyright:

Journal keyword(s): Gamma Rays: Bursts - X-Rays: Bursts

Nomenclature: note 12: [BFV2003] JHHMMSS.ss+DDMMSS.s N=2, [BFV2003] JHHMMSS.sss+DDMMSS.ss N=1.

Simbad objects: 13

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Number of rows : 13
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 GRB 011130 gB 03 05 26.9 +03 49 30           ~ 43 0
2 GRB 980613 gB 10 17 57.8 +71 27 26           ~ 199 1
3 GRB 990123 gB 15 25 29 +44 45.0     8.95     ~ 968 1
4 TYC 4590-70-1 * 20 43 24.9681001776 +77 20 27.025562385   11.96 10.98     ~ 1 0
5 [BFV2003] J204333.49+771729.8 G 20 43 33.49 +77 17 29.8           ~ 1 0
6 GRB 011030 gB 20 43 35.4 +77 17 20           ~ 69 0
7 [BFV2003] J204335.76+771732.7 G 20 43 35.76 +77 17 32.7           ~ 1 0
8 [BFV2003] J204335.836+771721.34 G 20 43 35.836 +77 17 21.34           ~ 1 0
9 GRB 030723 gB 21 49 24.40 -27 42 47.4           ~ 120 0
10 GRB 020427 gB 22 09 28.3 -65 19 32           ~ 47 0
11 TYC 9123-701-1 * 22 09 40.5682963401 -65 10 09.125017563   12.538 11.844     ~ 2 0
12 HD 210039 * 22 09 53.7273536467 -65 14 26.202446345   10.115 9.869     F3III/IV 5 0
13 GRB 020903 gB 22 48 42.34 -20 46 09.3           ~ 219 1

    Equat.    Gal    SGal    Ecl

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2021.07.30-17:16:51

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