2007MNRAS.376.1793P

Query : 2007MNRAS.376.1793P

2007MNRAS.376.1793P - Mon. Not. R. Astron. Soc., 376, 1793-1804 (2007/April-3)

An ATCA radio-continuum study of the Small Magellanic Cloud - V. Long-slit optical spectroscopy of supernova remnants and confirmation of a new candidate supernova remnant.

PAYNE J.L., WHITE G.L., FILIPOVIC M.D. and PANNUTI T.G.

Abstract (from CDS):

We present optical long-slit spectra and estimated line ratios for 11 of the 16 known radio supernova remnants (SNRs) in the Small Magellanic Cloud (SMC) using observations made with the 2.3-m Advanced Technology Telescope and double-beam spectrograph at Siding Springs Observatory in Australia. We also present spectra and estimated line ratios for a twelfth source, a previously reported candidate radio SNR, J004100-733648. Our new data for this source confirm its classification as a SNR. We find that these shocks show no evolutionary trends, implying that reported relationships between diameter and line ratios may instead be due to selection effects. We have also used the estimated line ratios in the spectra of these SNRs - which we assume to be dominated by the interstellar medium (ISM) at this stage of their evolution - to derive an estimate of 10–4 (based on oxygen to hydrogen ratio) for the abundances of metals in the ISM of the SMC. This value is in general agreement with other values previously published in the literature.

Abstract Copyright: 2007 The Authors. Journal compilation © 2007 RAS

Journal keyword(s): techniques: spectroscopic - Hii regions - supernova remnants - galaxies: abundances - Magellanic Clouds

Simbad objects: 34

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Number of rows : 34
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 [FBR2002] J004100-733648 SNR 00 41 00.0 -73 36 45           ~ 6 0
2 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
3 SNR B0044-73.4 SNR 00 46 32.9 -73 08 01           ~ 27 1
4 LHA 115-N 17 Em* 00 46 35.9 -73 31 35           ~ 23 0
5 [FBR2002] J004640-733150 Rad 00 46 40.00 -73 30 56.0           ~ 3 0
6 SNR B0045-73.3 SNR 00 47 30.40 -73 06 01.1           ~ 15 0
7 SNR B0045-73.4 SNR 00 47 32.9 -73 07 46           ~ 52 0
8 [FBR2002] J004748-731727 SNR 00 47 53.00 -73 17 09.8           ~ 5 0
9 [FBR2002] J004806-730842 SNR 00 48 03.90 -73 07 56.6           ~ 6 0
10 NAME DEM S 42E SNR 00 48 21.24 -73 19 31.6           ~ 21 0
11 SNR B0047-73.5 SNR 00 49 07.75 -73 14 02.0           ~ 59 0
12 [MA93] 401 Em* 00 50 50.0342302080 -73 24 22.397147784   14.83 17     B0V 80 1
13 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
14 NAME DEM S 68SE SNR 00 52 43.00 -72 37 06.0           ~ 46 0
15 SNR B0056-72.4 SNR 00 58 00.00 -72 11 01.4           ~ 12 1
16 SNR B0056-72.5 SNR 00 58 18.40 -72 17 22.7   20.58 20.70     ~ 59 1
17 SNR B0057-72.2 SNR 00 59 27.40 -72 10 10.7   12.37 12.57     ~ 251 0
18 NAME SMC B0058-7149 SNR 01 00 23.3 -71 33 23           ~ 36 1
19 [MA93] 1367 HXB 01 03 13.9173060552 -72 09 14.258500452   14.70 14.79 15.0   B0.5IV-V 97 1
20 SNR B0102-72.3 SNR 01 04 01.2 -72 01 52           ~ 422 1
21 MCSNR J0105-7223 SNR 01 05 05.6 -72 23 20           ~ 87 1
22 SNR B0104-72.2 SNR 01 05 21.7184178024 -72 08 42.548832456 14.41 15.53 15.75   16.01 O9V 37 1
23 [FBR2002] J010539-720341 SNR 01 05 40.40 -72 03 44.4           ~ 5 0
24 2E 273 XB* 01 06 19.49 -72 05 27.8     16.70     ~ 61 0
25 LHA 115-N 80 Em* 01 08 09.9 -71 59 50     14.1     ~ 33 0
26 [FBR2002] J010819-715956 Rad 01 08 28.30 -72 00 18.4           ~ 3 0
27 DEM S 142 HII 01 11 20.5 -72 09 50           ~ 10 0
28 [FBR2002] J011333-731704 Rad 01 13 33.00 -73 17 10.0           ~ 4 0
29 NGC 456 HII 01 13 44.4 -73 17 26           ~ 132 0
30 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 6226 1
31 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
32 CPD-69 177 WD* 03 10 31.0195960176 -68 36 03.380768388 10.757 11.413 11.394 11.47 11.558 DA3.0 299 0
33 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
34 CD-44 12736 PM* 18 36 25.9502475648 -44 18 36.907592904   10.83 10.22     G0 222 0

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