2005MNRAS.364..217F

Query : 2005MNRAS.364..217F

2005MNRAS.364..217F - Mon. Not. R. Astron. Soc., 364, 217-236 (2005/November-3)

An ATCA radio-continuum study of the Small Magellanic Cloud - III. Supernova remnants and their environments.

FILIPOVIC M.D., PAYNE J.L., REID W., DANFORTH C.W., STAVELEY-SMITH L., JONES P.A. and WHITE G.L.

Abstract (from CDS):

A total of 717 sources from the Australia Telescope Compact Array (ATCA) catalogue of the Small Magellanic Cloud (SMC) have been classified in Paper II (of this series) by Payne et al. Here, we present a statistical analysis of all 16 confirmed supernova remnants (SNRs) and five new candidate remnants. Included is a detailed discussion of the latter and three other sources that have some SNR characteristics. We have also found a new microquasar candidate (ATCA J005523-721055) in addition to ATCA J004718-723947 reported in Paper II. Source diameter comparisons suggest that SNRs as a group are of similar size in radio, optical and X-ray with surface brightness values in the range of Galactic remnants. Remnant spectral indices, α[defined as Sν∝να, with Sν(flux density) and ν (frequency)], have a mean of -0.63 [standard deviation (s.d.) = 0.43] and ROSAT X-ray hardness ratios confirm them to be soft X-ray sources compared to background objects. We could not find any meaningful correlation between SNR surface brightness and diameter; we also discuss the number-diameter relation. A Venn diagram summarizes that most SNRs emit radiation in all three of the radio, optical and X-ray domains. Hii region diameter comparisons between radio and optical sources show them to be a very diverse group that defies any simple relationship, preventing any meaningful calculation of flux density or spectral index. To better understand environments containing SNRs, we have scaled Hα images of four SMC regions and subtracted their flux from the ATCA 2.37-GHz radio image. These 2.37 GHz-Hα subtraction (or difference) images reveal some new sources with predominantly non-thermal emission, exposing SNRs confused with Hii regions.

Abstract Copyright: 2005 The Authors. Journal compilation © 2005 RAS

Journal keyword(s): H ii regions - supernova remnants - Magellanic Clouds

CDS comments: In Chap. 6.8 : RX J0119.4-7201 is a misprint for RX J0119.4-7301.

Simbad objects: 121

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Number of rows : 121
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 [YIT2003] 6 X 00 36 09.2 -72 21 05           ~ 2 0
2 [FBR2002] J004050-733657 Rad 00 40 47.8 -73 37 00           ~ 4 1
3 [FBR2002] J004100-733648 SNR 00 41 00.0 -73 36 45           ~ 6 0
4 [FBR2002] J004216-725910 Rad 00 42 16.79 -72 59 10.5           ~ 2 0
5 [FBR2002] J004457-731010 Rad 00 44 56.50 -73 10 15.5           ~ 2 0
6 [FBR2002] J004501-731647 Rad 00 45 03.8 -73 16 39           ~ 4 1
7 [FBR2002] J004523-732250 Rad 00 45 25.10 -73 22 54.9           ~ 3 0
8 [FBR2002] J004530-730453 Rad 00 45 29.1 -73 04 57           ~ 4 1
9 [FBR2002] J004554-730645 Rad 00 45 54.57 -73 06 45.9           ~ 2 0
10 [FBR2002] J004611-730043 Rad 00 46 11.93 -73 00 43.3           ~ 2 0
11 [FBR2002] J004620-724514 Rad 00 46 20.44 -72 45 14.2           ~ 2 0
12 [FBR2002] J004619-732324 Rad 00 46 21.00 -73 23 19.1           ~ 3 0
13 [FBR2002] J004639-732204 Rad 00 46 32.20 -73 21 59.0           ~ 2 0
14 SNR B0044-73.4 SNR 00 46 32.9 -73 08 01           ~ 27 1
15 [FBR2002] J004633-730604 Rad 00 46 34.8 -73 05 50           ~ 5 1
16 [FBR2002] J004640-733150 Rad 00 46 40.00 -73 30 56.0           ~ 3 0
17 [FBR2002] J004652-731731 Rad 00 46 52.93 -73 17 31.2           ~ 2 0
18 RX J0047.2-7239 X 00 47 18.1 -72 39 48           ~ 19 2
19 SNR B0045-73.3 SNR 00 47 30.40 -73 06 01.1           ~ 15 0
20 SNR B0045-73.4 SNR 00 47 32.9 -73 07 46           ~ 52 0
21 LHA 115-N 21 Em* 00 47 48 -73 17.4     14.8     ~ 28 0
22 [FBR2002] J004748-731727 SNR 00 47 53.00 -73 17 09.8           ~ 5 0
23 [FBR2002] J004756-731752 Rad 00 47 56.82 -73 17 52.5           ~ 2 0
24 LHA 115-N 23 Em* 00 47 57.4 -73 17 38     15     ~ 24 0
25 [FBR2002] J004802-731653 Rad 00 48 01.5 -73 16 33           ~ 4 1
26 NGC 267 HII 00 48 02.6 -73 16 39           ~ 57 0
27 [FBR2002] J004806-730842 SNR 00 48 03.90 -73 07 56.6           ~ 6 0
28 LHA 115-N 19 HII 00 48 06 -73 08.7           ~ 65 0
29 LHA 115-N 26 PN 00 48 08.624 -73 14 54.62 14.70 15.22 14.31   14.57 ~ 61 1
30 [FBR2002] J004819-731032 Rad 00 48 19.16 -73 10 32.3           ~ 2 0
31 NAME DEM S 42E SNR 00 48 21.24 -73 19 31.6           ~ 21 0
32 [FBR2002] J004823-730557 Rad 00 48 23.68 -73 05 57.2           ~ 3 0
33 [FBR2002] J004828-731556 Rad 00 48 26.00 -73 15 56.9           ~ 2 0
34 [FBR2002] J004836-733056 Rad 00 48 36.64 -73 30 56.1           ~ 3 0
35 [FBR2002] J004850-725125 Rad 00 48 50.2 -72 51 24           ~ 4 1
36 [FBR2002] J004856-730748 Rad 00 48 53.8 -73 08 04           ~ 4 1
37 SNR B0047-73.5 SNR 00 49 07.75 -73 14 02.0           ~ 59 0
38 [FBR2002] J004918-731551 Rad 00 49 18.25 -73 15 51.0           ~ 2 0
39 [FBR2002] J004925-730940 Rad 00 49 25.80 -73 09 40.5           ~ 2 0
40 [FBR2002] J004928-732626 Rad 00 49 28.74 -73 26 26.6           ~ 2 0
41 [FBR2002] J004943-724843 Rad 00 49 43.23 -72 48 43.0           ~ 2 0
42 [FBR2002] J004944-731030 Rad 00 49 44.88 -73 10 30.4           ~ 2 0
43 PMN J0050-7235 rG 00 49 56.7 -72 35 54           ~ 14 2
44 [FBR2002] J005015-723241 Rad 00 50 15.61 -72 32 41.1           ~ 2 0
45 [FBR2002] J005028-725311 Rad 00 50 21.90 -72 53 12.9           ~ 2 0
46 [FBR2002] J005049-724819 Rad 00 50 29.20 -72 48 32.9           ~ 2 0
47 [FBR2002] J005040-732022 Rad 00 50 40.47 -73 20 22.5           ~ 2 0
48 [MA93] 401 Em* 00 50 50.0342302080 -73 24 22.397147784   14.83 17     B0V 80 1
49 [FBR2002] J005153-721650 Rad 00 51 53.36 -72 16 50.9           ~ 2 0
50 [FBR2002] J005155-732650 Rad 00 51 55.47 -73 26 50.9           ~ 2 0
51 [FBR2002] J005206-721615 Rad 00 52 06.60 -72 16 15.7           ~ 2 0
52 [FBR2002] J005227-723619 Rad 00 52 27.46 -72 36 19.5           ~ 2 0
53 [FBR2002] J005235-732610 Rad 00 52 35.72 -73 26 10.9           ~ 2 0
54 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
55 NAME DEM S 68SE SNR 00 52 43.00 -72 37 06.0           ~ 46 0
56 [FBR2002] J005258-731144 Rad 00 52 58.24 -73 11 44.5           ~ 2 0
57 [FBR2002] J005300-721238 Rad 00 53 00.34 -72 12 38.5           ~ 2 0
58 [YIT2003] 45 X 00 53 29.2 -73 36 40           ~ 2 0
59 [FBR2002] J005338-731221 Rad 00 53 38.87 -73 12 21.5           ~ 2 0
60 [FBR2002] J005341-723934 Rad 00 53 41.20 -72 39 30.0           ~ 2 0
61 [FBR2002] J005523-721055 rG 00 55 23.53 -72 10 55.2           ~ 3 0
62 RX J0055.4-7210 HXB 00 55 27.746 -72 10 58.74           ~ 32 2
63 [FBR2002] J005539-721055 rG 00 55 39.21 -72 10 55.5           ~ 3 0
64 [FBR2002] J005544-721608 Rad 00 55 44.65 -72 16 08.5           ~ 2 0
65 [FBR2002] J005604-721931 Rad 00 56 07.70 -72 19 24.6           ~ 2 0
66 [FBR2002] J005616-721732 Rad 00 56 17.80 -72 17 32.6           ~ 2 0
67 [FBR2002] J005756-723932 Rad 00 57 06.00 -72 39 24.6           ~ 2 0
68 SNR B0056-72.4 SNR 00 58 00.00 -72 11 01.4           ~ 12 1
69 [FBR2002] J005816-723852 Rad 00 58 15.90 -72 38 52.6           ~ 2 0
70 SNR B0056-72.5 SNR 00 58 18.40 -72 17 22.7   20.58 20.70     ~ 59 1
71 [FBR2002] J005824-723955 Rad 00 58 25.10 -72 39 48.6           ~ 2 0
72 [FBR2002] J005855-721010 Rad 00 58 57.2 -72 10 20           ~ 3 1
73 NGC 346 Cl* 00 59 04.4000 -72 10 39.000           ~ 547 0
74 MRC 0057-724 Rad 00 59 07.4 -72 10 51           ~ 3 1
75 [FBR2002] J005916-721020 Rad 00 59 11.04 -72 09 49.7           ~ 2 0
76 [FBR2002] J005914-722423 Rad 00 59 14.09 -72 24 23.1           ~ 2 0
77 [FBR2002] J005916-721120 Rad 00 59 16.32 -72 11 20.5           ~ 2 0
78 2E 245 X 00 59 25.7 -72 10 11           ~ 34 1
79 SNR B0057-72.2 SNR 00 59 27.40 -72 10 10.7   12.37 12.57     ~ 251 0
80 [FBR2002] J005934-720942 Rad 00 59 34.23 -72 09 42.4           ~ 2 0
81 [FBR2002] J005953-720840 Rad 00 59 53.54 -72 08 40.2           ~ 2 0
82 NAME SMC B0058-7149 SNR 01 00 23.3 -71 33 23           ~ 36 1
83 [FBR2002] J010125-715054 Rad 01 01 25.24 -71 50 54.0           ~ 2 0
84 RX J0101.8-7249 X 01 01 51.3 -72 49 03           ~ 3 0
85 [FBR2002] J010203-722450 Rad 01 02 03.6 -72 24 48           ~ 4 1
86 [FBR2002] J010216-715140 Rad 01 02 16.92 -71 51 40.7           ~ 2 0
87 LHA 115-N 77A Em* 01 02 49.122 -71 53 17.99   14.66 14.20 15.31 15.16 O9 25 1
88 [MA93] 1367 HXB 01 03 13.9173060552 -72 09 14.258500452   14.70 14.79 15.0   B0.5IV-V 97 1
89 [FBR2002] J010326-720308 Rad 01 03 26.36 -72 03 08.9           ~ 2 0
90 SNR B0102-72.3 SNR 01 04 01.2 -72 01 52           ~ 422 1
91 [FBR2002] J010432-720508 Rad 01 04 32.35 -72 05 08.9           ~ 2 0
92 NAME SMC Bar PoG 01 05 -72.6           ~ 264 0
93 [FBR2002] J010505-715936 Rad 01 05 04.10 -71 59 26.3           ~ 2 0
94 MCSNR J0105-7223 SNR 01 05 05.6 -72 23 20           ~ 87 1
95 SNR B0104-72.2 SNR 01 05 21.7184178024 -72 08 42.548832456 14.41 15.53 15.75   16.01 O9V 37 1
96 [FBR2002] J010538-720643 Rad 01 05 38.34 -72 06 43.4           ~ 3 0
97 [FBR2002] J010539-720341 SNR 01 05 40.40 -72 03 44.4           ~ 5 0
98 2E 273 XB* 01 06 19.49 -72 05 27.8     16.70     ~ 61 0
99 [FBR2002] J010819-715956 Rad 01 08 28.30 -72 00 18.4           ~ 3 0
100 PMN J0109-7311 Rad 01 09 12.7 -73 11 39           ~ 9 2
101 [FBR2002] J011115-722247 Rad 01 11 15.83 -72 22 47.2           ~ 2 0
102 DEM S 142 HII 01 11 20.5 -72 09 50           ~ 10 0
103 RX J0112.7-7207 X 01 12 43.6 -72 07 25           ~ 4 0
104 [FBR2002] J011333-731704 Rad 01 13 33.00 -73 17 10.0           ~ 4 0
105 NGC 456 HII 01 13 44.4 -73 17 26           ~ 132 0
106 [FBR2002] J011348-731753 Rad 01 13 47.5 -73 17 40           ~ 4 1
107 LHA 115-N 83A EmO 01 13 49.81 -73 18 01.4           ~ 64 0
108 [FBR2002] J011353-731557 Rad 01 13 53.49 -73 15 57.1           ~ 2 0
109 LHA 115-N 83C SNR 01 14 00.0 -73 17 08           ~ 72 0
110 [FBR2002] J011416-731549 Rad 01 14 16.92 -73 15 49.3           ~ 3 0
111 LHA 115-N 84 HII 01 14 27.7 -73 12 51           ~ 68 0
112 [FBR2002] J011439-731821 Rad 01 14 37.9 -73 18 21           ~ 4 1
113 [FBR2002] J011447-732007 Rad 01 14 47.09 -73 20 07.0           ~ 2 0
114 [FBR2002] J011608-731029 Rad 01 16 08.51 -73 10 29.5           ~ 2 0
115 RX J0119.4-7301 X 01 19 26.7 -73 01 19           ~ 4 0
116 PMN J0124-7309 Rad 01 24 07.9 -73 09 04           ~ 13 2
117 LHA 115-N 90 HII 01 29 30.15 -73 33 10.5           ~ 69 2
118 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 6226 1
119 SNR B0453-68.5 SNR 04 53 36.00 -68 29 30.0           ~ 90 1
120 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
121 NGC 2060 SNR 05 37 51.4466169456 -69 10 23.947092084   9.69 9.59     ~ 380 2

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