2018ApJ...864..161K

Query : 2018ApJ...864..161K

2018ApJ...864..161K - Astrophys. J., 864, 161-161 (2018/September-2)

Discovery of molecular and atomic clouds associated with the gamma-ray supernova remnant Kesteven 79.

KURIKI M., SANO H., KUNO N., SETA M., YAMANE Y., INABA T., NAGAYA T., YOSHIIKE S., OKAWA K., TSUTSUMI D., HATTORI Y., KOHNO M., FUJITA S., NISHIMURA A., OHAMA A., MATSUO M., TSUDA Y., TORII K., MINAMIDANI T., UMEMOTO T., ROWELL G., BAMBA A., TACHIHARA K. and FUKUI Y.

Abstract (from CDS):

We carried out 12CO(J = 1-0) observations of the Galactic gamma-ray supernova remnant (SNR) Kesteven 79 using the Nobeyama Radio Observatory 45 m radio telescope, which has an angular resolution of ∼20 arcsec. We identified molecular and atomic gas interacting with Kesteven 79, whose radial velocity is ∼80 km s–1. The interacting molecular and atomic gases show good spatial correspondence with the X-ray and radio shells, which have an expanding motion with an expanding velocity of ∼4 km s–1. The molecular gas associated with the radio and X-ray peaks also exhibits a high intensity ratio of CO 3-2/1-0 > 0.8, suggesting a kinematic temperature of ∼24 K, owing to heating by the supernova shock. We determined the kinematic distance to the SNR to be ∼5.5 kpc and the radius of the SNR to be ∼8 pc. The average interstellar proton density inside of the SNR is ∼360 cm–3, of which atomic protons comprise only ∼10%. Assuming a hadronic origin for the gamma-ray emission, the total cosmic-ray proton energy above 1 GeV is estimated to be ∼5 x 1048 erg.

Abstract Copyright: © 2018. The American Astronomical Society. All rights reserved.

Journal keyword(s): cosmic rays - gamma rays: ISM - ISM: clouds - ISM: supernova remnants - X-rays: individual: (Kesteven 79, G33.6+0.1)

Simbad objects: 27

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Number of rows : 27
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 Orion-KL SFR 05 35 14.16 -05 22 21.5           ~ 2421 1
2 IC 443 SNR 06 17 00.0000000 +22 34 11.998901           ~ 1314 1
3 NAME Vela SNR 08 34.0 -45 50           ~ 1331 2
4 ESO 134-11 HII 14 40 29 -62 38.7           ~ 585 1
5 SNR G347.3-00.5 SNR 17 12 27 -39 41.2     12.27     ~ 761 1
6 SNR G353.6-00.7 SNR 17 31 55.0 -34 42 36           ~ 172 0
7 NAME Expanding Shell PoC 17 46.5 -28 46           ~ 19 0
8 SNR G006.4-00.1 SNR 18 00 31.2011719 -23 25 48.001099           ~ 782 1
9 IRAS 18494+0038 FIR 18 52 01.3 +00 42 25           ~ 2 0
10 IRAS 18496+0037 IR 18 52 12.1 +00 40 42           ~ 2 0
11 IRAS 18496+0042 IR 18 52 12.4 +00 46 25           ~ 2 0
12 IRAS 18498+0045A LP* 18 52 21.8456717712 +00 49 42.057060420           ~ 3 0
13 IRAS 18498+0045B FIR 18 52 23.8 +00 48 47           ~ 2 0
14 IRAS 18498+0028 Y*O 18 52 26.75952 +00 32 08.8188           ~ 9 0
15 SNR G033.6+00.1 SNR 18 52 29.000 +00 38 42.00           ~ 302 2
16 [KC97c] G033.7+00.0 HII 18 52 37.1 +00 39 39           ~ 2 0
17 IRAS 18501+0038 IR 18 52 39.7 +00 41 55           ~ 3 0
18 IRAS 18501+0039 IR 18 52 40.6 +00 43 42           ~ 2 0
19 IRAS 18502+0034 HII 18 52 50.9 +00 38 03           ~ 9 0
20 IRAS 18503+0041 IR 18 52 51.4 +00 45 31           ~ 3 0
21 IRAS 18504+0025 HII 18 53 00.2 +00 28 49           ~ 8 0
22 [GE91] GGD 30 IRS 8 IR 18 53 08.5 +00 31 36           ~ 2 0
23 MSX5C G033.8580-00.0042 MIR 18 53 08.6 +00 49 21           ~ 2 0
24 HRDS G033.753-00.063 HII 18 53 09.6 +00 42 06           ~ 3 0
25 IRAS 18506+0038 IR 18 53 10.2 +00 42 01           ~ 6 0
26 SNR G034.6-00.5 SNR 18 56 10.650 +01 13 21.30           ~ 1034 2
27 W 51 SNR 19 23 50 +14 06.0           ~ 1352 1

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