2008MNRAS.383.1175P


Query : 2008MNRAS.383.1175P

2008MNRAS.383.1175P - Mon. Not. R. Astron. Soc., 383, 1175-1194 (2008/January-3)

Long-slit optical spectroscopy of Large Magellanic Cloud radio supernova remnants.

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

Abstract (from CDS):

We use long-slit spectra from shocked regions of radio supernova remnants (SNRs) in the Large Magellanic Cloud to estimate electron density and derive an average `metal' abundance of 10–3.9 based on diagnostic line ratio plots. These simple diagnostics may be especially useful to determine abundances in more distant galaxies. Abundance values listed in this paper, in units of log(x/H)+12, for nitrogen (7.3) and oxygen (8.2) agree with those reported in the literature. These estimates - which we assume to be dominated by the interstellar medium with little evolutionary interference - were obtained from spectral analysis of ∼50 per cent of known radio SNRs using the double beam spectrograph on the 2.3-m Advanced Technology Telescope at Siding Spring Observatory in Australia and the Cassegrain spectrograph on the 1.9-m Radcliffe telescope at the South African Astronomical Observatory. We also found optical evidence of shocked regions near 2 of 20 radio SNR candidates (J053620-693136 and J053731-662740), strengthening their identification as true remnants.

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

Journal keyword(s): supernova remnants - Magellanic Clouds

Nomenclature: Table 1: SNR JHHMMSS+DDMMSS N=27.

Simbad objects: 49

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Number of rows : 49
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 [FBR2002] J004100-733648 SNR 00 41 00.0 -73 36 45           ~ 6 1
2 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 10381 1
3 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 5541 1
4 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 6418 1
5 CPD-69 177 WD* 03 10 31.0195960176 -68 36 03.380768388 10.757 11.413 11.394 11.47 11.558 DA3.0 253 0
6 SNR J045015-692212 Rad 04 50 07.8 -69 22 48           ~ 8 0
7 SNR J045313-665420 SNR 04 53 21.0 -66 56 19           ~ 27 0
8 PMN J0454-7000 Rad 04 53 52 -70 00.2           ~ 7 0
9 SNR J045447-662528 SNR 04 54 48.00 -66 25 42.0           ~ 108 0
10 NAME LMC B0455-6843 SNR 04 55 55.9 -68 38 29           ~ 64 1
11 DEM L 34 HII 04 56 34.3 -66 26 52           ~ 101 0
12 SNR J045949-700835 SNR 04 59 54.00 -70 08 06.0           ~ 54 0
13 PMN J0459-7009 SNR 05 00 12.00 -70 10 19.2           ~ 7 0
14 SNR J050555-680150 SNR 05 05 55.00 -68 01 54.0           ~ 80 0
15 SNR J050650-702553 SNR 05 07 28.15 -70 23 53.2           ~ 18 1
16 LHA 120-N 103B EmO 05 08 47.8 -68 45 39           ~ 204 1
17 SNR J050854-684447 SNR 05 08 58.7 -68 43 46           ~ 151 2
18 SNR J051945-692600 SNR 05 19 45.00 -69 26 00.0           ~ 44 0
19 PMN J0519-6926 Rad 05 19 56.4 -69 26 49           ~ 6 0
20 LHA 120-N 44I HII 05 22 26.6 -67 54 16   10.45 10.37     ~ 34 2
21 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 16265 1
22 NGC 1948 As* 05 24 20.00 -66 24 12.0   10.81 10.61     ~ 103 0
23 NGC 1945 EmO 05 25 01.0 -66 25 24           ~ 12 0
24 SNR J052501-693842 SNR 05 25 02.20 -69 38 39.0           ~ 381 1
25 SNR B0525-66.0 SNR 05 25 27.1 -65 59 11           ~ 95 1
26 SNR J052559-660453 SNR 05 26 00.4 -66 05 02     12.71     ~ 424 2
27 SNR J052741-691207 SNR 05 27 39.00 -69 12 12.0           ~ 36 0
28 MDM 32 AGN 05 27 49.080 -70 36 41.70 19.557 19.498 18.879 19.090 18.495 ~ 21 0
29 SNR B0525-65.8 SNR 05 28 02.80 -65 48 03.6           ~ 1 0
30 DEM L 210 HII 05 28 19.2 -69 01 21           ~ 21 1
31 SNR J052951-670105 SNR 05 29 38.15 -67 00 04.6           ~ 7 1
32 SNR J053400-695508 SNR 05 33 59.00 -69 55 00.0           ~ 62 0
33 M 1 SNR 05 34 32 +22 00.8           ~ 5956 1
34 NGC 2029 SNR 05 35 15.5 -67 34 04     12.29     ~ 97 0
35 SNR B0535-66.0 SNR 05 35 43.1 -66 01 59           ~ 170 1
36 PMN J0535-7038 Rad 05 35 49 -70 38.7           ~ 6 0
37 NAME 30 Dor C Superbubble Rad 05 35 50.8 -69 12 22           ~ 46 1
38 NGC 2040 As* 05 36 00.7 -67 34 57     11.47     ~ 55 1
39 SNR J053605-703826 SNR 05 36 07.00 -70 38 48.0           ~ 57 0
40 NAME 30 Dor C Rad 05 36 07.70 -69 11 52.6           ~ 72 1
41 DEM L 248 HII 05 36 09.8 -69 31 54           ~ 13 0
42 SNR J053620-693136 SNR 05 36 20.10 -69 32 44.5           ~ 1 0
43 SNR J053731-662740 SNR 05 37 31.30 -66 26 24.2           ~ 3 0
44 NAME Pup A SNR 08 24 07 -42 59.8           ~ 564 1
45 NAME Vela XYZ Rad 08 34.0 -45 50           ~ 1178 2
46 NAME Lupus SN SNR 15 02 22.1 -42 05 49           ~ 1279 1
47 CD-44 12736 PM* 18 36 25.9502475648 -44 18 36.907592904   10.83 10.22     G0 202 0
48 NAME Cyg Loop SNR 20 51.0 +30 40           ~ 873 0
49 NAME Cas A SNR 23 23 24.000 +58 48 54.00     14.30     ~ 2632 1

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2022.10.01-22:44:48

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