2015ApJ...803..106R

Query : 2015ApJ...803..106R

2015ApJ...803..106R - Astrophys. J., 803, 106 (2015/April-3)

X-ray spectroscopy of potential Small Magellanic Cloud Type Ia supernova remnants and their environments.

ROPER Q., McENTAFFER R.L., DEROO C., FILIPOVIC M., WONG G.F. and CRAWFORD E.J.

Abstract (from CDS):

We examine three supernova remnants in the SMC, IKT 5 (supernova remnant (SNR) 0047-73.5), IKT 25 (SNR 0104-72.3), and DEM S 128 (SNR 0103-72.4), which are designated as Type Ia in the literature due to their spectra and morphology. This is troublesome because of their asymmetry, a trait not usually associated with young Type Ia remnants. We present Chandra X-ray Observatory data on these three remnants and perform a maximum likelihood analysis on their spectra. We find that the X-ray emission is dominated by interactions with the interstellar medium. In spite of this, we find a significant Fe overabundance in all three remnants. Through examination of radio, optical, and infrared data, we conclude that these three remnants are likely not Type Ia SNRs. We detect potential point sources that may be members of the progenitor systems of both DEM S 128 and IKT 5, which could suggest these could be Fe-rich core-collapse remnants.

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Journal keyword(s): ISM: individual: (IKT 25, IKT 5, DEM S 128) - ISM: supernova remnants - methods: statistical

Nomenclature: Table 5: [RMD2015] JHHMMSS.s+DDMMSS.s N=7.

Simbad objects: 22

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Number of rows : 22
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 CXOU J004824.0-731918 X 00 48 24.0 -73 19 18           ~ 2 0
2 SNR B0047-73.5 SNR 00 49 07.75 -73 14 02.0           ~ 59 0
3 PMMR 27 s*r 00 49 08.2036330296 -73 14 15.627192828   15.17 13.40 12.40   K1Ia-Iab 29 0
4 [MA93] 401 Em* 00 50 50.0342302080 -73 24 22.397147784   14.83 17     B0V 80 1
5 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
6 SNR B0102-72.3 SNR 01 04 01.2 -72 01 52           ~ 422 1
7 RX J0104.9-7210 X 01 04 54.7 -72 10 07           ~ 2 0
8 [RMD2015] J010459.9-721147.7 * 01 04 59.8400183016 -72 11 48.124501728           ~ 1 0
9 MCSNR J0105-7223 SNR 01 05 05.6 -72 23 20           ~ 87 1
10 RX J0105.1-7211 HXB 01 05 09.941 -72 11 47.00   15.62 15.63 18.3   B1-B2III-V 54 1
11 SNR B0104-72.2 SNR 01 05 21.7184178024 -72 08 42.548832456 14.41 15.53 15.75   16.01 O9V 37 1
12 [RMD2015] J010524.9-721116.1 X 01 05 24.90 -72 11 16.1           ~ 1 0
13 [RMD2015] J010530.9-721021.5 X 01 05 30.90 -72 10 21.5           ~ 1 0
14 RX J0105.5-7213 X 01 05 32.4 -72 13 32           ~ 3 0
15 [RMD2015] J010533.0-721331.5 X 01 05 33.00 -72 13 31.5           ~ 1 0
16 RX J0105.6-7211 X 01 05 35.0 -72 11 25           ~ 3 0
17 2XMM J010536.3-720948 AG? 01 05 36.615 -72 09 47.87           ~ 2 0
18 [RMD2015] J010550.5-721237.1 X 01 05 50.50 -72 12 37.1           ~ 1 0
19 2E 273 XB* 01 06 19.49 -72 05 27.8     16.70     ~ 61 0
20 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
21 SNR B0534-70.5 SNR 05 34 08.80 -70 34 28.0           ~ 70 0
22 SNR J053605-703826 SNR 05 36 07.00 -70 38 48.0           ~ 62 0

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