2003ApJ...585..319Y

Query : 2003ApJ...585..319Y

2003ApJ...585..319Y - Astrophys. J., 585, 319-323 (2003/March-1)

OH (1720 MHz) masers and mixed-morphology supernova remnants.

YUSEF-ZADEH F., WARDLE M., RHO J. and SAKANO M.

Abstract (from CDS):

Radio surveys of supernova remnants (SNRs) in the Galaxy have uncovered 19 SNRs accompanied by OH maser emission at 1720 MHz. This unusual class of maser sources is suggested to be produced behind a shock front from the expansion of a supernova remnant running into a molecular cloud. An important ingredient of this model is that X-ray emission from the remnant enhances the production of OH molecules. The role of X-ray emission from maser-emitting (ME) SNRs is investigated by comparing the X-ray-induced ionization rate with the theory. One aspect of this model is verified: there is a strong association between ME and mixed-morphology or thermal composite SNRs–center-filled thermal X-ray emission surrounded by shell-like radio morphology. We also present ROSAT and ASCA observations of two ME SNRs: G21.8-0.6 (Kes 69) and G357.7-0.1 (Tornado).

Abstract Copyright: ∼

Journal keyword(s): ISM: Clouds - ISM: General - Shock Waves - ISM: Supernova Remnants - X-Rays: ISM

Simbad objects: 21

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Number of rows : 21
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 IC 443 SNR 06 17 00.0000000 +22 34 11.998901           ~ 1314 1
2 SNR G337.0-00.1 SNR 16 35 06.9 -47 47 25           ~ 140 1
3 SNR G337.8-00.1 SNR 16 39.0 -46 59           ~ 83 0
4 SNR G346.6-00.2 SNR 17 10.3 -40 11           ~ 99 0
5 SNR G348.5+00.1 SNR 17 14 31.780 -38 28 34.50           ~ 233 3
6 SNR G349.7+00.2 SNR 17 18 10.160 -37 18 53.80           ~ 196 0
7 NAME the Square Nebula Rad 17 38.6 -30 44           ~ 52 1
8 OH 357.653-00.056 Mas 17 40 08.270 -30 57 42.46           ~ 6 0
9 NAME Tornado Nebula SNR 17 40 16.360 -30 58 18.87           ~ 148 0
10 SNR G359.1-00.5 SNR 17 45 30 -29 57.0           ~ 179 1
11 NAME Sgr A East SNR 17 45 41 -29 00.8           ~ 523 2
12 NAME Sgr D MoC 17 48 41.75 -28 01 45.0           ~ 137 1
13 SNR G001.4-00.1 SNR 17 49 28.1 -27 47 45           ~ 38 0
14 SNR G006.4-00.1 SNR 18 00 31.2011719 -23 25 48.001099           ~ 782 1
15 SNR G016.7+00.8 SNR 18 20 57.0 -14 19 35           ~ 68 2
16 SNR G021.8-00.6 SNR 18 32 45 -10 08.0           ~ 137 0
17 [GFG97] 183026.48-100258.9 Mas 18 33 11.91 -10 00 40.2           ~ 2 0
18 SNR G031.9+00.0 SNR 18 49 16.3 -00 55 01           ~ 368 2
19 SNR G032.8-00.1 SNR 18 51 46.9 -00 03 19           ~ 110 2
20 SNR G034.6-00.5 SNR 18 56 10.650 +01 13 21.30           ~ 1034 2
21 SNR G049.1-00.1 SNR 19 23 19.300 +14 09 21.00           ~ 309 0

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