2006ApJ...640..327S

Query : 2006ApJ...640..327S

2006ApJ...640..327S - Astrophys. J., 640, 327-334 (2006/March-3)

Chandra observation of the Magellanic cloud supernova remnant 0454-67.2 in N9.

SEWARD F.D., WILLIAMS R.M., CHU Y.-H., DICKEL J.R., SMITH R.C. and POINTS S.D.

Abstract (from CDS):

A Chandra observation has defined the extent of the SNR 0454-67.2 in the LMC H II region N9. The remnant has dimension 2'.3x3'.6 and is elongated in the north-south direction. The brightest emission comes from a north-south central ridge that includes three bright patches. There is good agreement between X-ray and [O III] and [S II] morphology. The remnant is old enough so that optical data give more information about dynamics than do the X-ray data. The supernova (SN) energy release was ≥5x1050 ergs, and the age is ∼3x104 yr. There are several unresolved sources nearby, but none are clearly associated with the remnant. The X-ray spectrum is soft and indicates enhanced Fe abundance in the central region, consistent with a Type Ia SN origin, but a Type II origin cannot be ruled out.

Abstract Copyright: ∼

Journal keyword(s): ISM: individual (SNR 0454-67.2) - ISM: Supernova Remnants - X-Rays: ISM

Nomenclature: Table 3: [SWC2006] JHHMMSS.ss+DDMMSS.s N=7.

CDS comments: LMC HII region N9 = LHA 120-N 9

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 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
2 NGC 1731 As* 04 53 15 -66 55.6           ~ 40 0
3 SNR B0453-68.5 SNR 04 53 36.00 -68 29 30.0           ~ 90 1
4 [SWC2006] J045358.00-671335.8 X 04 53 58.00 -67 13 35.8           ~ 1 0
5 [SWC2006] J045400.14-671254.6 X 04 54 00.18 -67 12 54.9           ~ 1 0
6 [SWC2006] J045415.43-671550.9 X 04 54 15.43 -67 15 50.9           ~ 1 0
7 [SWC2006] J045417.16-671313.4 X 04 54 17.16 -67 13 13.4           ~ 1 1
8 SNR B0454-67.2 SNR 04 54 28.3 -67 12 32           ~ 24 0
9 [SWC2006] J045429.20-671134.1 X 04 54 29.20 -67 11 34.1           ~ 1 0
10 2MASS J04543342-6714506 X 04 54 33.4319026200 -67 14 50.689322808           ~ 1 0
11 [SWC2006] J045437.41-671448.4 X 04 54 37.41 -67 14 48.4           ~ 1 0
12 LHA 120-N 9 HII 04 55 10.9 -67 11 32           ~ 55 1
13 SNR B0505-67.9 SNR 05 05 42.0 -67 52 29           ~ 149 0
14 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
15 SNR J052559-660453 SNR 05 26 00.4 -66 05 02     12.71     ~ 456 2
16 NGC 2018 As* 05 31 24.00 -71 04 24.0   10.91 10.89     ~ 104 1
17 LHA 120-N 206A HII 05 31 56.0 -71 00 19           ~ 123 2
18 NGC 2060 SNR 05 37 51.4466169456 -69 10 23.947092084   9.69 9.59     ~ 380 2
19 PSR B0540-69 Psr 05 40 11.2000490438 -69 19 54.198559829           ~ 976 3
20 NAME Vela Pulsar Psr 08 35 20.65525 -45 10 35.1545     15.10     ~ 2446 1
21 SNR G033.6+00.1 SNR 18 52 29.000 +00 38 42.00           ~ 302 2
22 NAME Cas A SNR 23 23 26.0 +58 48 41     14.30     ~ 3033 1

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