2013ApJ...774..119G


Query : 2013ApJ...774..119G

2013ApJ...774..119G - Astrophys. J., 774, 119 (2013/September-2)

The metal aversion of long-duration gamma-ray bursts.

GRAHAM J.F. and FRUCHTER A.S.

Abstract (from CDS):

Recently, it has been suggested that the metallicity aversion of Long-duration Gamma Ray Bursts (LGRBs) is not intrinsic to their formation, but rather a consequence of the anti-correlation between star formation and metallicity seen in the general galaxy population. To investigate this proposal, we compare the metallicity of the hosts of LGRBs, broad-lined Type Ic (Ic-bl) supernovae (SNe), and Type II SNe to each other and to the metallicity distribution of star-forming galaxies using the Sloan Digital Sky Survey (SDSS) to represent galaxies in the local universe and the Team Keck Redshift Survey (TKRS) for galaxies at intermediate redshifts. The differing metallicity distributions of LGRB hosts and the star formation in local galaxies forces us to conclude that the low-metallicity preference of LGRBs is not primarily driven by the anti-correlation between star formation and metallicity, but rather must be overwhelmingly due to the astrophysics of the LGRBs themselves. Three quarters of our LGRB sample are found at metallicities below 12+log(O/H) < 8.6, while less than a one-tenth of local star formation is at similarly low metallicities. However, our SN samples are statistically consistent with the metallicity distribution of the general galaxy population. Additionally, we show that the star formation rate distribution of the LGRB and SNe host populations are consistent with the star formation rate distribution of the SDSS galaxy sample. This provides further evidence that the low-metallicity distribution of LGRBs is not caused by the general properties of star-forming galaxies. Using the TKRS population of galaxies, we can exclude the possibility that the LGRB host metallicity aversion is caused by the decrease in galaxy metallicity with redshift, as this effect is clearly much smaller than the observed LGRB host metallicity bias over the redshift span of our sample. The presence of the strong metallicity difference between LGRBs and Type Ic-bl SNe largely eliminates the possibility that the observed LGRB metallicity bias is a byproduct of a difference in the initial mass functions of the galaxy populations. Rather, metallicity below half-solar must be a fundamental component of the evolutionary process that separates LGRBs from the vast majority of Type Ic-bl SNe and from the bulk of local star formation.

Abstract Copyright:

Journal keyword(s): galaxies: abundances - galaxies: star formation - galaxies: statistics - gamma-ray burst: general - supernovae: general

Simbad objects: 60

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Number of rows : 60
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 SN 2001fb SN* 00 10 06.1 -00 26 17           SNII 8 1
2 GRB 050824 gB 00 48 56.100 +22 36 32.00 19.66 21.03 20.46 23.70   ~ 163 0
3 SN 2002ap SN* 01 36 23.85 +15 45 13.2   13.11 14.54     SNIc-BL 536 1
4 M 74 G 01 36 41.7451236624 +15 47 01.107512304 10.52 10.00 9.46 9.16   ~ 1582 1
5 SN 2004hx SN* 02 41 12.60 -00 52 46.0           SNII 11 1
6 SN 2005kr SN* 03 08 29.67 +00 53 20.2   22.1       SNIc 23 1
7 SN 2005em SN* 03 13 47.74 -00 14 37.0     18.1     SNIIb: 25 2
8 SN 2006aj SN* 03 21 39.670 +16 52 02.27 17.96 19.11 17.40     SNIc-BL 891 1
9 SN 2006nx SN* 03 33 30.63 -00 40 38.2           SNIb/c 28 1
10 SN 2003bg SN* 04 10 59.43 -31 24 50.4     15.0     SNIc 140 1
11 SN 2008iu SN* 04 36 55.20 -00 21 35.6           ~ 10 1
12 GRB 050826 gB 05 51 01.590 -02 38 35.40           ~ 119 0
13 SN 1997ef SN* 07 57 02.87 +49 33 41.3     16.5     SNIc-BL 263 1
14 SN 2003lw SN* 08 02 30.1 -39 51 03       20.23   SNIc: 522 0
15 GRB 070612A gB 08 05 28.530 +37 16 09.57           ~ 66 0
16 SNF 20080323-006 SN* 09 16 56.18 +10 14 09.9           ~ 1 0
17 SN 2002bl SN* 10 12 17.28 +27 51 52.4     17.0     SNIcpec 28 1
18 SN 1999ab SN* 10 25 00.64 +53 52 37.0     18.3     SNII 6 1
19 SN 2003la SN* 10 30 20.21 +61 15 48.5     18.0     SNII 6 1
20 SN 2009bb SN* 10 31 33.92 -39 57 28.2           SNIc 158 1
21 SN 2003dh SN* 10 44 50.030 +21 31 18.15     16.2     SNIcpec 1170 1
22 SN 2003ci SN* 11 10 23.83 +04 49 35.9     17.5     SNII 21 1
23 SN 2009dm SN* 11 30 20.14 +44 09 49.2           SNIIP 5 1
24 GRB 011121 gB 11 34 26.67 -76 01 41.6       23.0   ~ 262 1
25 SN 1997dq SN* 11 40 55.90 +11 28 45.7     15.0     SNIc 75 2
26 SN 2010ah SN* 11 44 02.99 +55 41 27.6           SNIc 49 1
27 SN 2007I SN* 11 59 13.15 -01 36 18.9   19.2 17.9     SNIc-BL 36 1
28 SN 2007ce SN* 12 10 17.96 +48 43 31.5     17.4     SNIc-BL 19 1
29 SN 2005nb SN* 12 13 37.61 +16 07 16.2     17.2     SNIc-BL 26 1
30 SN 2010ay SN* 12 35 27.19 +27 04 02.8           SNIc 44 1
31 SN 2005mb SN* 13 05 52.46 +41 42 59.0     19.3     SNII 10 1
32 SN 2007fg SN* 14 07 36.67 +38 40 49.3       18.1   SNII 7 1
33 SNF 20070703-008 SN* 14 07 36.67 +38 40 49.3       18.1   ~ 2 0
34 SNF 20070630-010 SN* 14 25 56.09 +46 26 56.9       18.7   ~ 2 0
35 SN 2007fe SN* 14 25 56.09 +46 26 56.9       18.7   SNII 6 1
36 SN 2007es SN* 14 27 46.37 +06 35 36.2       18.7   SNII 5 1
37 SNF 20070626-009 SN* 14 27 46.37 +06 35 36.2       18.7   ~ 3 0
38 SNF 20080614-002 SN* 15 00 31.40 +55 22 10.1           ~ 2 1
39 SN 1997cs SN* 15 13 39.78 +02 53 44.5     17     SNIIn 6 1
40 SNF 20070427-003 SN* 15 18 36.79 +09 51 17.2       18.5   ~ 2 0
41 SN 2007dp SN* 15 18 36.79 +09 51 17.2       18.5   SNII 6 1
42 SN 1988Q SN* 16 33 20.61 +34 48 20.4   18 18     SNII 13 1
43 GRB 991208 gB 16 33 53.51 +46 27 21.5           ~ 249 1
44 SN 2001dy SN* 17 04 59.42 +23 10 06.2     18.0     SNII 9 1
45 SN 2004eb SN* 17 28 24.30 +57 32 45.7     17.1     SNII: 13 1
46 SN 1998bw SN* 19 35 03.17 -52 50 46.1   14.09       SNIc 1746 2
47 SN 2002ew SN* 20 54 30.50 -00 08 26.0     17.8     SNII 19 1
48 SN 2007hm SN* 20 57 55.47 -07 23 24.1       18.3   SNII 19 1
49 SNF 20070831-018 SN* 20 57 55.47 +07 23 24.1           ~ 2 0
50 SN 1998ey SN* 21 30 00.67 +26 43 21.4     17.0     SNIc 28 1
51 SN 2005ks SN* 21 37 56.56 -00 01 56.9   22.5       SNIc 22 1
52 GRB 060505 gB 22 07 03.440 -27 48 51.89           ~ 241 1
53 SN 2006qk SN* 22 25 32.3 +00 09 14           SNIc: 23 1
54 GRB 020903 gB 22 48 42.34 -20 46 09.3           ~ 226 1
55 GRB 010921 gB 22 55 59.90 +40 55 52.9           ~ 165 1
56 GRB 020819 gB 23 00 12 -43 00.7           ~ 122 1
57 SN 2007ib SN* 23 15 44.56 +00 27 25.6           SNIIP 8 1
58 SN 2003jd SN* 23 21 03.38 -04 53 45.5   16.34       SNIc-BL 136 1
59 SN 2006iw SN* 23 21 19.48 +00 15 35.1   19.82 18.97 18.56 18.31 SNIIP 33 1
60 GRB 051022A gB 23 56 04.200 +19 36 32.30           ~ 173 1

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2022.09.26-09:07:15

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