2015MNRAS.454.1517G

Query : 2015MNRAS.454.1517G

2015MNRAS.454.1517G - Mon. Not. R. Astron. Soc., 454, 1517-1524 (2015/December-1)

Constraints on the distribution of supernova remnants with Galactocentric radius.

GREEN D.A.

Abstract (from CDS):

Supernova remnants (SNRs) in the Galaxy are an important source of energy injection into the interstellar medium, and also of cosmic rays. Currently there are 294 known SNRs in the Galaxy, and their distribution with Galactocentric radius is of interest for various studies. Here I discuss some of the statistics of Galactic SNRs, including the observational selection effects that apply, and difficulties in obtaining distances for individual remnants from the `Σ-D' relation. Comparison of the observed Galactic longitude distribution of a sample of bright Galactic SNRs - which are not strongly affected by selection effects - with those expected from models is used to constrain the Galactic distribution of SNRs. The best-fitting power-law/exponential model is more concentrated towards the Galactic Centre than the widely used distribution obtained by Case & Bhattacharya.

Abstract Copyright: © 2015 The Author Published by Oxford University Press on behalf of the Royal Astronomical Society (2015)

Journal keyword(s): ISM: structure - ISM: supernova remnants - Galaxy: structure

CDS comments: p.1518: G67.6-0.0 is not identified.

Simbad objects: 18

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Number of rows : 18
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 Gal Anticenter reg 05 46 +28.9           ~ 1024 0
2 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
3 NAME Sgr A East SNR 17 45 41 -29 00.8           ~ 523 2
4 SNR G000.3+00.0 SNR 17 46 15 -28 38.0           ~ 40 1
5 SNR G001.0-00.1 SNR 17 48.5 -28 09           ~ 29 0
6 SNR G001.9+00.3 SNR 17 48 46.02 -27 09 52.0           ~ 243 1
7 SNR G006.5-00.4 SNR 18 02.2 -23 34           ~ 29 0
8 SNR G012.8-00.0 SNR 18 13.6 -17 49           ~ 68 0
9 SNR G018.1-00.2 SNR 18 24 37.0 -13 15 18           ~ 48 1
10 SNR G020.4+00.1 SNR 18 27.8 -11 00           ~ 25 0
11 SNR G038.7-01.3 SNR 19 06 40.50 +04 28 18.8           ~ 17 0
12 SNR G054.1+00.3 SNR 19 30 10.6 +18 50 22           ~ 271 1
13 SNR G067.6+00.9 SNR 19 57 44.90 +30 53 05.6           ~ 14 0
14 SNR G066.0-00.0 SNR 19 57 49.20 +29 02 58.8           ~ 16 0
15 SNR G065.8-00.5 SNR 19 59 20.40 +28 37 40.0           ~ 13 0
16 SNR G067.8+00.5 SNR 20 00 02.40 +30 50 35.0           ~ 9 0
17 Min 3-60 LP? 20 04 23.6504906400 +33 39 04.363566300           K?e 66 1
18 NAME Cas A SNR 23 23 26.0 +58 48 41     14.30     ~ 3033 1

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