2002MNRAS.329..775R

Query : 2002MNRAS.329..775R

2002MNRAS.329..775R - Mon. Not. R. Astron. Soc., 329, 775-786 (2002/February-1)

GMRT observations of four suspected supernova remnants near the Galactic Centre.

ROY S. and RAO A.P.

Abstract (from CDS):

We have observed two fields - Field I (l=3○⋅ 2, b=-1○⋅ 0) and Field II (l=356○⋅ 8, b=-0○⋅ 1) - with the Giant Metrewave Radio Telescope (GMRT) at 330MHz. In the first field, we have studied the candidate supernova remnant (SNR) G3.1-0.6 and, based on its observed morphology, spectral index and polarization, confirmed it to be an SNR. We find this supernova to have a double ring appearance with a strip of emission on its western side passing through its centre.

We have discovered two extended curved objects in the second field, which appears to be part of a large shell-like structure. It is possibly the remains of an old supernova in the region. Three suspected SNRs, G356.3-0.3, G356.6+0.1 and G357.1-0.2, detected in the MOST 843-MHz survey of the GC region appear to be located on this shell-like structure. While both G356.3-0.3 and G356.6+0.1 seem to be parts of this shell, G357.1-0.2, which has a steeper spectrum above 1GHz, could be a background SNR seen through the region. Our Hi absorption observation towards the candidate SNR G357.1-0.2 indicates that it is at a distance of more than 6kpc from us.


Abstract Copyright: The Royal Astronomical Society

Journal keyword(s): ISM: individual: G3.1-0.6 - ISM: individual: G356.3-0.3 - ISM: individual: G356.6+0.1 - ISM: individual: G357.1-0.2 - supernova remnants - Galaxy centre

VizieR on-line data: <Available at CDS (J/MNRAS/329/775): table4.dat table5.dat>

Nomenclature: Tables 4, 5: [RR2002] LLL.lll+B.bbb N=44+23.

CDS comments: p.783: HB 9 = SNR 160.4+2.8, pulsar B1739-030 not identified

Simbad objects: 88

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Number of rows : 88
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 SNR G130.7+03.1 SNR 02 05 35.73 +64 49 41.3           ~ 661 4
2 SNR G160.8+02.6 SNR 05 01 00.000 +46 40 00.00           ~ 233 0
3 SNR G166.0+04.3 SNR 05 26 30.000 +42 56 00.00           ~ 196 0
4 SNR G180.0-01.7 SNR 05 39 00.000 +27 50 00.00           ~ 294 2
5 SNR G296.8-00.3 SNR 11 58 30 -62 35.0           ~ 64 0
6 7C 132816.2+252436 QSO 13 30 37.6960744824 +25 09 10.983105972   18.31 17.67     ~ 373 1
7 SNR G350.0-01.8 SNR 17 27 50 -38 32.0           ~ 49 0
8 [RR2002] 356.018+0.428 Rad 17 34 06.2 -32 04 52           ~ 1 0
9 [RR2002] 356.580+0.567 Rad 17 34 59.3 -31 32 00           ~ 1 0
10 [RR2002] 356.394+0.338 Rad 17 35 25.2 -31 48 49           ~ 1 0
11 [RR2002] 356.001+0.022 Rad 17 35 40.4 -32 18 54           ~ 1 0
12 [RR2002] 356.884+0.465 Rad 17 36 09.6 -31 19 58           ~ 1 0
13 [RR2002] 356.837+0.378 Rad 17 36 23.0 -31 25 09           ~ 1 0
14 [RR2002] 356.830+0.360 Rad 17 36 26.3 -31 26 05           ~ 1 0
15 [RR2002] 356.379+0.004 Rad 17 36 42.5 -32 00 23           ~ 1 0
16 MGCS 356.6+00.1 SR? 17 36 54 -31 39.9           ~ 3 0
17 [RR2002] 356.463-0.014 Rad 17 36 59.5 -31 56 43           ~ 1 0
18 [RR2002] 356.433-0.044 Rad 17 37 02.2 -31 59 12           ~ 1 0
19 [RR2002] 357.134+0.316 Rad 17 37 22.6 -31 12 07           ~ 1 0
20 GPSR 356.909+0.084 Rad 17 37 43.69 -31 30 59.0           ~ 3 1
21 [RR2002] 356.906+0.081 Rad 17 37 44.0 -31 31 14           ~ 1 0
22 SNR G356.3-00.3 SNR 17 37 56.000 -32 16 00.00           ~ 26 0
23 [RR2002] 356.655-0.152 Rad 17 38 01.6 -31 51 26           ~ 1 0
24 [RR2002] 357.280+0.211 Rad 17 38 09.4 -31 08 06           ~ 1 0
25 [RR2002] 356.965-0.074 Rad 17 38 29.7 -31 33 12           ~ 1 0
26 [RR2002] 356.805-0.310 Rad 17 39 02.0 -31 48 53           ~ 1 0
27 PSR B1736-31.4 Psr 17 39 24.304 -31 31 15.30           ~ 39 0
28 SNR G357.1-00.2 SR? 17 39 38 -31 29.0           ~ 4 0
29 [RR2002] 357.067-0.401 Rad 17 40 03.0 -31 38 29           ~ 1 0
30 [RR2002] 356.597-0.739 Rad 17 40 13.4 -32 13 08           ~ 1 0
31 NAME Tornado Nebula SNR 17 40 16.360 -30 58 18.87           ~ 148 0
32 [RR2002] 357.036-0.559 Rad 17 40 36.2 -31 45 06           ~ 1 0
33 [RR2002] 357.437-0.519 Rad 17 41 26.4 -31 23 25           ~ 1 0
34 [RR2002] 357.809-0.299 Rad 17 41 29.2 -30 57 29           ~ 1 0
35 [RR2002] 357.452-0.597 Rad 17 41 47.3 -31 25 07           ~ 1 0
36 2LC 359.872+0.178 rG 17 44 37.06 -28 57 09.4           ~ 20 0
37 NAME Sgr A Region reg 17 45 12 -28 48.3           ~ 955 0
38 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
39 GCPS G000.538+0.261 Rad 17 45 52.48 -28 20 25.8           ~ 30 0
40 PMN J1751-2524 Rad 17 51 51.26253123 -25 24 00.0635706           ~ 91 1
41 [RR2002] 002.937-0.352 Rad 17 53 48.5 -26 35 49           ~ 1 0
42 [RR2002] 003.170-0.260 Rad 17 53 59.1 -26 20 58           ~ 1 0
43 [RR2002] 002.442-0.701 Rad 17 54 02.0 -27 12 02           ~ 1 0
44 [RR2002] 003.016-0.372 Rad 17 54 03.8 -26 32 22           ~ 1 0
45 [RR2002] 002.798-0.596 Rad 17 54 26.1 -26 50 26           ~ 1 0
46 [RR2002] 003.347-0.324 Rad 17 54 37.6 -26 13 47           ~ 1 0
47 [RR2002] 002.603-0.774 Rad 17 54 40.9 -27 05 56           ~ 1 0
48 [RR2002] 002.838-0.708 Rad 17 54 57.7 -26 51 46           ~ 1 0
49 [RR2002] 002.961-0.656 Rad 17 55 02.2 -26 43 48           ~ 1 0
50 [RR2002] 003.157-0.556 Rad 17 55 05.6 -26 30 39           ~ 1 0
51 [RR2002] 002.546-0.917 Rad 17 55 06.6 -27 13 13           ~ 1 0
52 [RR2002] 003.727-0.240 Rad 17 55 09.6 -25 51 34           ~ 1 0
53 [RR2002] 003.663-0.320 Rad 17 55 19.4 -25 57 17           ~ 1 0
54 SNR G003.1-00.6 SNR 17 55 40 -26 39.5           ~ 6 0
55 [RR2002] 002.893-0.884 Rad 17 55 45.9 -26 54 15           ~ 1 0
56 [RR2002] 002.596-1.086 Rad 17 55 52.6 -27 15 45           ~ 1 0
57 [RR2002] 003.136-0.775 Rad 17 55 53.5 -26 38 22           ~ 1 0
58 NVSS J175623-270424 Rad 17 56 23.86 -27 04 27.4           ~ 2 1
59 [RR2002] 002.548-1.309 Rad 17 56 38.5 -27 24 56           ~ 1 0
60 [RR2002] 002.859-1.147 Rad 17 56 42.6 -27 03 55           ~ 1 0
61 NVSS J175646-272241 Rad 17 56 46.4 -27 22 40           ~ 2 1
62 [RR2002] 002.833-1.218 Rad 17 56 55.8 -27 07 26           ~ 1 0
63 [RR2002] 002.773-1.274 Rad 17 57 00.7 -27 12 15           ~ 1 0
64 [RR2002] 003.044-1.136 Rad 17 57 05.2 -26 53 59           ~ 1 0
65 [RR2002] 003.323-0.991 Rad 17 57 08.8 -26 35 10           ~ 1 0
66 [RR2002] 003.026-1.186 Rad 17 57 14.2 -26 56 25           ~ 1 0
67 [RR2002] 003.384-0.999 Rad 17 57 19.2 -26 32 13           ~ 1 0
68 [RR2002] 003.748-0.802 Rad 17 57 22.1 -26 07 23           ~ 1 0
69 [RR2002] 003.110-1.189 Rad 17 57 26.4 -26 52 11           ~ 1 0
70 [RR2002] 003.721-0.841 Rad 17 57 27.5 -26 09 59           ~ 1 0
71 [RR2002] 002.924-1.304 Rad 17 57 28.1 -27 05 18           ~ 1 0
72 [RR2002] 002.988-1.304 Rad 17 57 36.7 -27 01 57           ~ 1 0
73 [RR2002] 003.434-1.077 Rad 17 57 43.8 -26 31 59           ~ 1 0
74 [RR2002] 003.565-1.009 Rad 17 57 45.7 -26 23 08           ~ 1 0
75 [RR2002] 003.717-0.938 Rad 17 57 49.4 -26 13 06           ~ 1 0
76 [RR2002] 002.749-1.518 Rad 17 57 54.5 -27 20 46           ~ 1 0
77 [RR2002] 003.505-1.116 Rad 17 58 02.5 -26 29 27           ~ 1 0
78 NVSS J175813-262213 Rad 17 58 13.2 -26 22 12           ~ 2 1
79 [RR2002] 003.022-1.584 Rad 17 58 46.6 -27 08 34           ~ 1 0
80 [RR2002] 003.889-1.122 Rad 17 58 55.1 -26 09 40           ~ 1 0
81 [RR2002] 003.746-1.222 Rad 17 58 59.2 -26 20 05           ~ 1 0
82 [RR2002] 003.621-1.348 Rad 17 59 12.0 -26 30 22           ~ 1 0
83 [RR2002] 003.572-1.551 Rad 17 59 52.6 -26 38 59           ~ 1 0
84 [RR2002] 004.027-1.301 Rad 17 59 54.9 -26 07 49           ~ 1 0
85 [RR2002] 003.595-1.566 Rad 17 59 59.1 -26 38 12           ~ 1 0
86 SNR G033.2-00.6 gam 18 53 41.1 -00 02 20           ~ 56 1
87 SNR G076.9+01.0 SNR 20 22 20.000 +38 43 00.00           ~ 64 0
88 NAME Cyg Loop SNR 20 51.0 +30 40           ~ 964 0

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