2013ApJ...764..190A

Query : 2013ApJ...764..190A

2013ApJ...764..190A - Astrophys. J., 764, 190 (2013/February-3)

Limits to the fraction of high-energy photon emitting gamma-ray bursts.

AKERLOF C.W. and ZHENG W.

Abstract (from CDS):

After almost four years of operation, the two instruments on board the Fermi Gamma-ray Space Telescope have shown that the number of gamma-ray bursts (GRBs) with high-energy photon emission above 100 MeV cannot exceed roughly 9% of the total number of all such events, at least at the present detection limits. In a recent paper, we found that GRBs with photons detected in the Large Area Telescope have a surprisingly broad distribution with respect to the observed event photon number. Extrapolation of our empirical fit to numbers of photons below our previous detection limit suggests that the overall rate of such low flux events could be estimated by standard image co-adding techniques. In this case, we have taken advantage of the excellent angular resolution of the Swift mission to provide accurate reference points for 79 GRB events which have eluded any previous correlations with high-energy photons. We find a small but significant signal in the co-added field. Guided by the extrapolated power-law fit previously obtained for the number distribution of GRBs with higher fluxes, the data suggest that only a small fraction of GRBs are sources of high-energy photons.

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Journal keyword(s): gamma-ray burst: general - gamma rays: stars

Simbad objects: 89

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Number of rows : 89
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 Fermi bn090621185 gB 00 43 56.80 +61 56 17.6           ~ 59 0
2 SN 2010ma SN* 00 48 55.35 -34 33 59.5           SNIc 190 1
3 GRB 110207A gB 00 50 09.50 -10 47 23.8           ~ 37 0
4 Fermi bn111117510 gB 00 50 46.220 +23 00 39.22           ~ 141 0
5 GRB 081016B gB 00 58 15.40 -43 31 48.0           ~ 22 0
6 GRB 081222 gB 01 30 57.76 -34 05 44.0           ~ 199 0
7 3B 940217 gB 01 56.3 +04 33           ~ 204 0
8 GRB 090728 gB 01 58 35 +41 37.9           ~ 32 0
9 GRB 120215A gB 02 00 14 +08 47.4           ~ 31 0
10 Fermi bn081012549 gB 02 00 44 -17 37.6           ~ 43 0
11 Fermi bn090113778 gB 02 08 16.00 +33 26 08.4           ~ 92 0
12 SN 2009nz SN* 02 26 19.87 -18 57 08.6           ~ 307 1
13 Fermi bn120212383 gB 02 52 24.07 -18 01 15.1           ~ 33 0
14 GRB 111029A gB 02 59 08 +57 06.1           ~ 27 0
15 PSO J047.1631+13.1580 G 03 08 39.14930640 +13 09 29.0253240           ~ 144 0
16 GRB 100902A gB 03 14 30 +30 58.2           ~ 68 0
17 Fermi bn091221870 gB 03 43 11.40 +23 14 28.0           ~ 66 0
18 GRB 090407 gB 04 35 54.98 -12 40 45.5           ~ 87 0
19 Fermi bn090712160 gB 04 40 23.2 +22 31 29           ~ 31 0
20 GRB 081118 gB 05 30 22.28 -43 18 03.1           ~ 79 0
21 Fermi bn100728095 gB 05 55 02.00 -15 15 20.2           ~ 157 0
22 Fermi bn100427356 gB 05 56 41 -03 27.7           ~ 25 0
23 Fermi bn090709630 gB 06 14 05 +64 04.9           ~ 33 0
24 Fermi bn080928628 gB 06 20 16.85 -55 11 59.3           ~ 187 0
25 Fermi bn081101491 gB 06 23 20.70 -00 06 41.5           ~ 39 0
26 GRB 100203A gB 06 24 54.0 +04 47 33           ~ 11 0
27 GRB 110414A gB 06 31 29.43 +24 21 44.7           ~ 40 0
28 GRB 081104 gB 06 42 00 -54 43.3           ~ 29 0
29 GRB 090228 gB 07 07.2 -24 18           ~ 45 0
30 SN 2010bh SN* 07 10 30.63 -56 15 19.7           SNIc 336 1
31 GRB 090831C gB 07 13 10.60 -25 06 44.0           ~ 30 0
32 GRB 100719A gB 07 29 17 -05 51.4           ~ 14 0
33 GRB 110529A gB 07 53.3 +67 55           ~ 27 0
34 Fermi bn090518080 gB 07 59 50 +00 46.7           ~ 52 0
35 GRB 091230 gB 08 51 38.95 -53 53 53.8           ~ 12 0
36 Fermi bn110412315 gB 08 53 58 +13 29.3           ~ 25 0
37 Fermi bn100704149 gB 08 54 33.92 -24 12 09.7           ~ 103 0
38 Fermi bn090516353 gB 09 12 59 -11 50.9           ~ 173 0
39 GRB 091202 gB 09 15 19 +62 32.6           ~ 16 0
40 Fermi bn090519881 gB 09 29 16.20 +00 11 23.9           ~ 98 0
41 Fermi bn090708152 gB 10 18 31.70 +26 36 58.7           ~ 33 0
42 Fermi bn101129652 gB 10 23 41 -17 38.7           ~ 34 0
43 GRB 080916B gB 10 54 31.60 +69 03 38.2           ~ 26 0
44 Fermi bn090117640 gB 10 56 01 -58 14.9           ~ 24 0
45 Fermi bn120624933 gB 11 23 31.98 +08 55 42.1           ~ 100 0
46 GRB 090702 gB 11 43 33 +11 30.1           ~ 14 0
47 GRB 090424 gB 12 38 07.40 +16 49 45.9           ~ 269 0
48 Fermi bn100414097 gB 12 48 30.0 +08 41 35           ~ 136 0
49 Fermi bn110128073 gB 12 55 35.10 +28 03 54.1           ~ 80 0
50 GRB 110903A gB 13 08 15.82 +58 58 53.8           ~ 30 0
51 GRB 090529 gB 14 09 52.49 +24 27 33.5           ~ 89 0
52 GRB 081011 gB 14 41 27.20 +33 32 54.4           ~ 24 0
53 Fermi bn090813174 gB 15 00 15.60 +88 34 15.8           ~ 62 0
54 GRB 080906 gB 15 12 13 -80 32.4           ~ 63 0
55 Fermi bn090915650 gB 15 51 58 +15 28.8           ~ 23 0
56 Fermi bn090509215 gB 16 05 41.30 -28 23 04.4           ~ 38 0
57 Fermi bn110102788 gB 16 23 31.41 +07 36 49.8           ~ 62 0
58 Fermi bn100111176 gB 16 28 11.60 +15 33 02.3           ~ 47 0
59 SWIFT J164449.3+573451 G 16 44 47.81184000 +57 35 00.7113480           ~ 533 0
60 GRB 090531B gB 16 48 15.0 -36 01 27           ~ 58 0
61 GRB 100418A gB 17 05 26.96 +11 27 41.9           ~ 198 0
62 GRB 081003A gB 17 29 33.80 +16 34 15.7           ~ 12 0
63 GRB 100614A gB 17 34 08.20 +49 13 56.4           ~ 45 0
64 Fermi bn090129880 gB 17 56 25.10 -32 47 34.8           ~ 36 0
65 Fermi bn081008832 gB 18 39 52.40 -57 25 58.8           ~ 224 0
66 PSO J285.9246+45.7134 G 19 03 41.90914320 +45 42 48.4220520           ~ 63 0
67 GRB 110625A gB 19 06 55.85 +06 45 19.2           ~ 69 0
68 Fermi bn080905499 G 19 10 42.0450 -18 52 54.510           ~ 200 0
69 Fermi bn100725475 gB 19 20 07 +76 57.3           ~ 55 0
70 Fermi bn111208353 gB 19 20 53.77 +40 40 34.4           ~ 20 0
71 Fermi bn100401297 gB 19 23 15 -08 15.4           ~ 26 0
72 GRB 110411A gB 19 25 46.13 +67 42 42.0           ~ 32 0
73 Fermi bn090422150 gB 19 38 59.92 +40 23 04.0           ~ 42 0
74 GRB 091010 gB 19 54 40.510 -22 32 17.36           ~ 46 0
75 Fermi bn110610640 gB 20 32 42.97 +74 49 31.2           ~ 37 0
76 GRB 100528A gB 20 44 29 +27 48.6           ~ 37 0
77 Fermi bn081024891 gB 21 31 36.00 +21 12 14.4           ~ 91 0
78 Fermi bn081126899 gB 21 34 03.54 +48 42 35.2           ~ 76 0
79 GRB 100514A gB 21 55 17 +29 10.2           ~ 26 0
80 Fermi bn081109293 gB 22 03 11.50 -54 42 40.5           ~ 125 1
81 Fermi bn081102739 gB 22 04 42.60 +52 59 27.7           ~ 60 0
82 GRB 081127 gB 22 08 18.00 +06 51 30.2           ~ 27 0
83 Fermi bn090510016 G 22 14 12.6230 -26 34 58.550           ~ 548 0
84 GRB 110223A gB 23 03 22.68 +87 33 28.5           ~ 29 0
85 GRB 081029 gB 23 07 06 -68 10.7           ~ 121 0
86 Fermi bn110119931 gB 23 14 21 +05 58.9           ~ 46 0
87 GRB 081204 gB 23 19 06 -60 13.3           ~ 13 0
88 Fermi bn100212588 gB 23 45 40.39 +49 29 39.6           ~ 56 0
89 Fermi bn080810549 gB 23 47 08.00 +00 18 35.1           ~ 240 0

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