1999A&A...348..868R

Query : 1999A&A...348..868R

1999A&A...348..868R - Astronomy and Astrophysics, volume 348868-876 (1999/8-3)

Unidentified 3EG gamma-ray sources at low galactic latitudes.

ROMERO G.E., BENAGLIA P. and TORRES D.F.

Abstract (from CDS):

We present a study on the possible association of unidentified γ-ray sources in the Third EGRET (3EG) catalog with different types of galactic objects such as Wolf-Rayet and Of stars, supernova remnants (SNRs), and OB associations (considered as pulsar tracers). We have made use of numerical simulations of galactic populations of γ-ray point sources in order to determine the statistical significance of the positional coincidences. New constraints on pure chance association are presented for SNRs and OB associations. There is overwhelming statistical support for the hypothesis that some SNRs are γ-ray sources (we obtain probabilities of pure chance association <10–5). OB star associations present higher, but still negligible probabilities (<10–3). It is also shown that although massive stars present just marginally significant correlation with 3EG sources, there is a posteriori support for at least three candidates.

Abstract Copyright: ∼

Journal keyword(s): gamma rays: observations - stars: early-type - ISM: supernova remnants - stars: pulsars: general

CDS comments: Table 6: 3EG J2227+6112, misprint for 3EG J2227+6122

Simbad objects: 90

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Number of rows : 90
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 3EG J0229+6151 gam 02 25 53 +61 59.2           ~ 23 0
2 HD 15629 Y*O 02 33 20.5873992264 +61 31 18.188762844 8.23 8.85 8.42     O4.5V((fc)) 255 0
3 Ass Cas OB 6 As* 02 43 +61.3           ~ 128 0
4 SNR G180.0-01.7 SNR 05 39 00.000 +27 50 00.00           ~ 294 2
5 GRO J0542+26 gam 05 42 +26.0           ~ 21 1
6 Ass Gem OB 1 As* 06 09.8 +21 35           ~ 203 0
7 IC 443 SNR 06 17 00.0000000 +22 34 11.998901           ~ 1314 1
8 NAME Rosette OB Association As* 06 31.7 +04 58           ~ 148 0
9 HD 46150 Y*O 06 31 55.5205071744 +04 56 34.296516096 6.03 6.86 6.73 6.50 6.41 O5V((f))z 413 0
10 HD 46223 Y*O 06 32 09.3068103600 +04 49 24.705695568 6.73 7.50 7.28 6.95 6.79 O4V((f)) 406 0
11 PSR J0633+0632 Psr 06 33 44.136 +06 32 29.48           ~ 93 1
12 NAME Mon I MoC 06 35 +10.1           ~ 268 0
13 NAME MONOCEROS NEB SNR 06 38 43 +06 30.2           ~ 264 0
14 HD 63099 WR* 07 45 50.3991805440 -34 19 48.500286780 11.47 11.43 10.50 10.37   WC4+O7 119 0
15 3EG J0747-3412 gam 07 48 -34.2           ~ 11 0
16 Ass Vel OB 2 As* 08 09 22.478 -47 21 03.46           ~ 307 0
17 NAME Pup A SNR 08 24 07 -42 59.8           ~ 636 1
18 3EG J0824-4610 gam 08 25 -46.2           ~ 8 1
19 3EG J0827-4247 gam 08 28 -42.8           ~ 8 1
20 NAME Vela SNR 08 34.0 -45 50           ~ 1331 2
21 3EG J0841-4356 gam 08 42 -44.0     12.57     ~ 9 1
22 3EG J0848-4429 gam 08 49 17.2 -44 10 55           ~ 10 2
23 Ass Vel OB 1 As* 08 49.9 -45 00           ~ 104 0
24 PSR J1016-58 Psr 10 16 21.266 -58 57 11.70           ~ 129 3
25 SNR G284.3-01.8 SNR 10 18.3 -59 00           ~ 123 2
26 Ass Car OB 1 As* 10 38 -59.0           ~ 172 0
27 PSR B1046-58 Psr 10 48 13.10000 -58 32 03.0000           ~ 293 0
28 NAME MSH 11-61A SNR 10 59 25.36 -61 18 42.6           ~ 187 0
29 WR 34 WR* 11 00 06.4565444280 -61 26 30.107994972   15.26 14.50     WN5-w 37 0
30 WR 35 WR* 11 00 21.8549644416 -61 13 52.417245540   14.460 13.574 13.453   WN6h-w 36 0
31 WR 37 WR* 11 05 13.9026194544 -61 20 41.185677192   17.40 16.0     WN4-s 41 0
32 [MS70] 8 WR* 11 05 46.42920 -61 13 48.7524     14.66 14.713   WC4 41 0
33 WR 39 WR* 11 06 18.7294130136 -61 14 18.439964196   14.33 13.05 13.15   WC7 46 0
34 Ass Car OB 2 As* 11 08 -60.2           ~ 84 0
35 Ass Cen OB 1 As* 13 02 -61.4           ~ 107 0
36 GRO J1308-61 gam 13 06 21.0 -60 43 12           ~ 32 0
37 PSR J1410-6132 Psr 14 10 24.000 -61 32 00.00           ~ 133 1
38 SNR G312.4-00.4 SNR 14 13 00 -61 44.0           ~ 96 1
39 HD 124314 ** 14 15 01.60615 -61 42 24.3831   8.96 6.64 6.45 6.31 O6V(n)((f)) 155 0
40 PSR J1418-6058 Psr 14 18 42.725 -60 58 01.89           ~ 129 0
41 PSR J1420-6048 Psr 14 20 08.190 -60 48 14.85           ~ 214 0
42 NAME Upper Sco-Cen As* 16 15 -24.2           ~ 1497 1
43 SNR G338.1+00.4 SNR 16 38.0 -46 24           ~ 32 0
44 SNR G337.8-00.1 SNR 16 39.0 -46 59           ~ 83 0
45 SNR G338.3-00.0 SNR 16 40 43.2 -46 31 48           ~ 175 2
46 NGC 6204 OpC 16 46 09.1 -47 01 29   8.51 8.2     ~ 139 0
47 3EG J1659-6251 gam 16 57 18.2 -62 32 16           ~ 12 0
48 2EG J1653-4604 Bz? 16 57 47.5 -45 20 18           ~ 29 1
49 WRAY 15-1581 WR* 16 59 02.1892610760 -45 43 10.014514788   16.34 14.49 14.31 11.95 WC9 41 0
50 PSR B1706-44 Psr 17 09 42.62000 -44 29 12.0000     13.30     ~ 670 1
51 Ass Sco OB 4 As* 17 12.6 -33 22           ~ 44 0
52 SNR G348.5+00.1 SNR 17 14 31.780 -38 28 34.50           ~ 233 3
53 GRS G348.50 -00.00 Rad 17 15 -38.5           ~ 10 0
54 ICRF J171736.0-334208 BLL 17 17 36.02929270 -33 42 08.8296186   20.93   17.3   ~ 136 1
55 PSR J1732-31 Psr 17 32 33.551 -31 31 20.85           ~ 78 0
56 3FHL J1746.2-2852 LXB 17 44 33.09 -28 44 27.0           ~ 559 0
57 2CG 359+00 gam 17 45 11 -30 11.9           ~ 104 0
58 SNR G359.1-00.5 SNR 17 45 30 -29 57.0           ~ 179 1
59 SNR G000.3+00.0 SNR 17 46 15 -28 38.0           ~ 40 1
60 SNR G359.0-00.9 Rad 17 46 50 -30 16.0           ~ 54 1
61 SNR G006.4-00.1 SNR 18 00 31.2011719 -23 25 48.001099           ~ 782 1
62 Ass Sgr OB 1 As* 18 06 -22.8           ~ 128 0
63 PSR J1809-2332 Psr 18 09 50.250 -23 32 22.68     21.47 19.61 17.48 M5 103 0
64 3EG J1823-1314 gam 18 24 07.7 -13 04 19           ~ 12 0
65 SNR G016.8-01.1 SNR 18 25.3 -14 46           ~ 38 0
66 Ass Sct OB 3 As* 18 25 27.2 -14 15 04           ~ 37 0
67 PSR J1826-1256 Psr 18 26 08.570 -12 56 33.53           ~ 152 1
68 V* V479 Sct HXB 18 26 15.0561548880 -14 50 54.247274304 12.02 12.23 11.27 11.04   ON6V((f))z 613 2
69 3EG J1837-0423 Rad 18 38 52.0 -04 16 16           ~ 95 1
70 SNR G034.6-00.5 SNR 18 56 10.650 +01 13 21.30           ~ 1034 2
71 2EG J1903+0529 gam 19 03 54.0 +05 31 17           ~ 34 1
72 SNR G039.2-00.3 SNR 19 04 03.9 +05 26 56           ~ 204 1
73 HD 192641 WR* 20 14 31.7666855880 +36 39 39.598210224 7.80 8.20 7.91     WC7pd+O9V 347 0
74 QSO J2015+371 BLL 20 15 28.72978661 +37 10 59.5147372     21.82 21.4   ~ 324 2
75 SNR G074.9+01.2 SNR 20 16 02.4 +37 12 48           ~ 195 2
76 HD 193077 WR* 20 17 00.0260987184 +37 25 23.785483116 7.82 8.32 8.01 8.71   WN5o+B? 297 0
77 Ass Cyg OB 1 As* 20 17.8 +37 38           ~ 270 1
78 NAME gam Cyg SNR SNR 20 20 17.100 +40 26 09.00           ~ 247 2
79 HD 193793 WR* 20 20 27.9757908696 +43 51 16.286840244 6.90 7.25 6.85 4.58   WC7pd+O5.5fc 754 0
80 GRO J2019+40 gam 20 21.5 +40 26           ~ 131 1
81 PSR J2021+4026 Psr 20 21 30.496 +40 26 53.56           ~ 300 2
82 WR 142 WR* 20 21 44.3438785440 +37 22 30.544989960   14.39 12.99 12.73 11.04 WO2 134 0
83 3EG J2022+4317 gam 20 22 +43.3           ~ 20 0
84 GRO J2021+37 gam 20 22 37.2 +37 16 53           ~ 94 2
85 PSR J2028+3332 Psr 20 28 19.876 +33 32 04.23           ~ 71 0
86 [MT91] 213 Psr 20 32 13.1247390384 +41 27 24.346666440 13.12 13.08 11.266     B0Vp 334 0
87 BD+40 4220 s*b 20 32 22.4238071594 +41 18 18.942475904 11.32 10.61 9.185     O7Iafep 414 0
88 BD+41 3807 SB* 20 34 08.5147948176 +41 36 59.408503092 11.74 11.52 10.03     O5.5Ifc 137 0
89 Ass Cep OB 2 As* 21 51 +60.0           ~ 303 0
90 PSR J2229+6114 Psr 22 29 05.262 +61 14 08.48           ~ 252 2

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