2008A&A...481..319W


C.D.S. - SIMBAD4 rel 1.7 - 2021.01.23CET01:04:44

2008A&A...481..319W - Astronomy and Astrophysics, volume 481, 319-326 (2008/4-2)

Spectroscopy and multiband photometry of the afterglow of intermediate duration γ-rayburst GRB040924 and its host galaxy.

WIERSEMA K., VAN DER HORST A.J., KANN D.A., ROL E., STARLING R.L.C., CURRAN P.A., GOROSABEL J., LEVAN A.J., FYNBO J.P.U., DE UGARTE POSTIGO A., WIJERS R.A.M.J., CASTRO-TIRADO A.J., GUZIY S.S., HORNSTRUP A., HJORTH J., JELINEK M., JENSEN B.L., KIDGER M., MARTIN-LUIS F., TANVIR N.R., TRISTRAM P. and VREESWIJK P.M.

Abstract (from CDS):

We present optical photometry and spectroscopy of the afterglow and host galaxy of gamma-ray burst GRB040924. This GRB had a rather short duration of T90∼2.4s, and a well sampled optical afterglow light curve. We aim to use this dataset to find further evidence that this burst is consistent with a massive star core-collapse progenitor. We combine the afterglow data reported here with those from the literature and compare the host properties with survey data. We find that the global behaviour of the optical afterglow is well fit by a broken power-law, with a break at ∼0.03-days. We determine the redshift z=0.858±0.001 from the detected emission lines in our spectrum. Using the spectrum and photometry we derive global properties of the host, showing it to have similar properties to other long GRB hosts. We detect the [NeIII] emission line in the spectrum, and compare the fluxes of this line of a sample of 15 long GRB host galaxies with survey data, showing the long GRB hosts to be comparable to local metal-poor emission line galaxies in their [NeIII] emission. We fit the supernova bump accompanying this burst, and find that it is similar to other long GRB supernova bumps, but fainter. All properties of GRB 040924 (the associated supernova, the spectrum and SED of host and afterglow) are consistent with an origin in the core-collapse of a massive star.

Abstract Copyright:

Journal keyword(s): gamma rays: bursts - galaxies: distances and redshifts - cosmology: observations

CDS comments: Fig.1 star G not identified.

Simbad objects: 19

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Number of rows : 19

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 [LJH2007] 1 G 00 21 08.16 +20 58 17.8           ~ 4 1
2 [WSR2004] Host G G 02 06 22.52 +16 08 48.8           ~ 7 1
3 GRB 040924 gB 02 06 22.52 +16 08 48.8           ~ 149 1
4 2XMM J032139.6+165202 G 03 21 39.693 +16 52 01.74           ~ 16 1
5 LP 995-86 PM* 03 48 22.6125635562 -39 08 37.013516494   13.61 13.15     F 89 0
6 GRB 970228 gB 05 01 46.7 +11 46 53           ~ 627 1
7 [LDM2003] GRB J050146.7+114654 G 05 01 46.7 +11 46 54           ~ 10 1
8 [LDM2003] GRB J065349.4+791619 G 06 53 49.4 +79 16 19           ~ 10 1
9 Anon J080230-3951 G 08 02 30.20 -39 51 03.0 22.31 22.32 20.53 20.44 19.40 ~ 20 0
10 [HTN2002] A G 10 17 44 +71 29.9           ~ 13 1
11 SN 2003dh SN* 10 44 50.030 +21 31 18.15     16.2     SNIcpec 1128 1
12 [BCK2003] G1 G 12 25 19.3 +20 06 11           ~ 19 0
13 [MPP2003] GRB 020405 abs 0.6908 G 13 58 03.01 -31 22 24.7           ~ 7 1
14 GRB 050724 gB 16 24 44.400 -27 32 27.90     19.70     ~ 389 1
15 [LDM2003] GRB J180831.6+591851 G 18 08 31.6 +59 18 51           ~ 14 1
16 SN 1998bw SN* 19 35 03.17 -52 50 46.1   14.09       SNIc 1671 2
17 2dFGRS TGS173Z112 G 22 07 03.5 -27 48 57 18.43 18.89 18.27 17.90 17.51 ~ 18 1
18 [LDM2003] GRB J223153.1-732429 G 22 31 53.1 -73 24 29           ~ 14 1
19 APMUKS (BJ) B224600.67-210204.6 G 22 48 42.3391 -20 46 08.945   20.7 20.8     ~ 12 1

    Equat.    Gal    SGal    Ecl

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