2001MNRAS.325..531C

Query : 2001MNRAS.325..531C

2001MNRAS.325..531C - Mon. Not. R. Astron. Soc., 325, 531-544 (2001/August-1)

Extended Galactic emission at l=312°: a comparison of mid-infrared and radio continuum (843 MHz) images.

COHEN M. and GREEN A.J.

Abstract (from CDS):

We report on the comparison of images of a region of the Galactic plane (centred on l=312°) as seen by the Midcourse Space Experiment (MSX) at 8.3µm and by the Molonglo Observatory Synthesis Telescope (MOST) at 843MHz in the radio continuum. We note that the survey from each telescope is without peer and occupies a niche in panoramic coverage with high spatial resolution. Using independent classification of sources in the selected region, a detailed comparison of the two surveys was made. The aim of the project was to seek global characteristics for different types of source, with a view to establishing predictive criteria for identification and hence emission mechanisms. Several strong trends were found. There is a complete absence in this field of any detected MSX counterparts to non-thermal radio sources. Almost every Hii region in the radio image has its MSX counterpart, in the form of a polycyclic aromatic hydrocarbon halo in the neutral zone surrounding the ionized gas. Both surveys show large-scale `braided' filamentary structures, extending over 1°, which appear to be produced by thermal processes. These filaments may be structures in the warm ionized phase of the interstellar medium or extended haloes around Hii regions. The comparisons in this paper were made using both preliminary MSX 8.3-µm results with 46-arcsec resolution and final MSX images with the intrinsic 20-arcsec resolution of the instruments.

Abstract Copyright: The Royal Astronomical Society

Journal keyword(s): ISM: bubbles - Hii regions - ISM: molecules - planetary nebulae: general - ISM: structure - supernova remnants

Nomenclature: Table 1: [CG2001] GLLL.ll+B.bbW N=55.

Simbad objects: 57

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Number of rows : 57
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 SNR G310.6-00.3 SNR 13 58.0 -62 09           ~ 22 1
2 SNR G310.7-00.3 SNR 13 58 17.8 -62 09 09           ~ 4 0
3 [CG2001] G310.63-0.43 HII 13 58 25.2 -62 17 47           ~ 3 0
4 [CG2001] G310.69-0.31 HII 13 58 39.2 -62 09 54           ~ 3 0
5 [CG2001] G310.68-0.44 HII 13 58 51.5 -62 17 36           ~ 3 0
6 [CG2001] G310.86+0.01 rG 13 59 20.8 -61 48 43           ~ 2 0
7 [CG2001] G310.99+0.42 HII 13 59 30.4 -61 22 56           ~ 3 0
8 [CG2001] G310.89+0.01 HII 13 59 35.6 -61 48 15           ~ 3 0
9 [CG2001] G310.80-0.38 Rad 13 59 43.2 -62 12 15           ~ 2 0
10 NAME Kes 20A SNR 13 59 44.9 -62 13 56           ~ 30 2
11 GAL 311.20+00.75 HII 14 00 26.5 -61 00 27           ~ 7 0
12 [CG2001] G310.90-0.38 HII 14 00 32.8 -62 10 40           ~ 2 0
13 [CG2001] G311.30+0.90 Rad 14 00 56.2 -60 50 16           ~ 2 0
14 [CG2001] G311.31+0.60 HII 14 01 40.6 -61 07 26           ~ 1 0
15 [CG2001] G311.37+0.79 Rad 14 01 43.9 -60 55 30           ~ 2 0
16 [CG2001] G311.12-0.28 HII 14 02 07.9 -62 01 22           ~ 2 0
17 [CG2001] G311.42+0.60 HII 14 02 33.2 -61 05 40           ~ 3 0
18 GAL 311.29-00.02 HII 14 02 54.3 -61 43 40           ~ 6 0
19 [CG2001] G311.64+0.97 Rad 14 03 27.7 -60 40 42           ~ 2 0
20 [CH87] 311.489+0.368 HII 14 03 35.9 -61 18 22           ~ 19 0
21 GAL 311.45-00.13 X 14 04 31.1 -61 47 23           ~ 13 0
22 [CG2001] G311.63+0.29 HII 14 04 56.5 -61 20 03           ~ 2 0
23 [CG2001] G311.54-0.02 rG 14 04 56.8 -61 39 25           ~ 2 0
24 [CG2001] G311.53-0.13 Rad 14 05 07.6 -61 45 56           ~ 2 0
25 SNR G311.5-00.3 SNR 14 05.6 -61 58           ~ 60 1
26 GAL 311.50-00.48 HII 14 05 42.2 -62 06 49           ~ 8 0
27 [CG2001] G311.59-0.59 HII 14 06 43.7 -62 11 22           ~ 3 0
28 GAL 311.62-00.60 HII 14 06 59.3 -62 11 23           ~ 7 0
29 [CG2001] G311.93+0.21 HII 14 07 31.8 -61 19 31           ~ 2 0
30 GRS G311.89 +00.10 HII 14 07 35.2 -61 27 18           ~ 30 1
31 [CG2001] G311.87-0.24 HII 14 08 08.9 -61 46 24           ~ 3 0
32 GRS G311.97 -00.05 HII 14 08 29.0 -61 33 44           ~ 5 0
33 PHR J1408-6106 PN 14 08 51.7 -61 06 27           ~ 43 2
34 GAL 312.11-00.20 rG 14 09 59.3 -61 39 51           ~ 6 0
35 PSR J1410-6132 Psr 14 10 24.000 -61 32 00.00           ~ 133 1
36 GRS G312.36 -00.04 HII 14 11 34.7 -61 26 10           ~ 6 0
37 GAL 312.50+00.32 HII 14 11 44.5 -61 03 12           ~ 4 0
38 [CG2001] G312.45+0.08 Rad 14 11 59.2 -61 17 40           ~ 2 0
39 GAL 312.58+00.40 HII 14 12 11.6 -60 57 03           ~ 4 0
40 [CG2001] G312.59+0.22 HII 14 12 44.1 -61 07 05           ~ 3 0
41 SNR G312.4-00.4 SNR 14 13 00 -61 44.0           ~ 96 1
42 IRAS 14095-6102 cor 14 13 14.16576 -61 16 46.9740           ~ 26 0
43 [CG2001] G312.68+0.04 Rad 14 13 54.6 -61 15 40           ~ 4 0
44 [CG2001] G312.71+0.02 HII 14 14 12.0 -61 16 14           ~ 3 0
45 [CG2001] G312.67-0.12 Rad 14 14 15.1 -61 24 58           ~ 2 0
46 [CG2001] G312.77+0.06 Rad 14 14 34.1 -61 12 50           ~ 3 0
47 [CG2001] G312.72-0.14 Rad 14 14 42.0 -61 25 10           ~ 2 0
48 GRS G312.93 -00.09 HII 14 16 12.8 -61 18 27           ~ 3 0
49 GAL 313.07+00.32 HII 14 16 13.2 -60 52 20           ~ 3 0
50 [CG2001] G312.95-0.44 HII 14 17 20.2 -61 38 47           ~ 4 0
51 [CG2001] G313.25+0.32 rG 14 17 37.9 -60 48 48           ~ 2 0
52 GRS G313.32 +00.05 HII 14 18 55.8 -61 02 36           ~ 3 0
53 [CG2001] G313.37+0.02 HII 14 19 22.8 -61 03 25           ~ 2 0
54 [CG2001] G313.42+0.12 Rad 14 19 29.6 -60 56 45           ~ 1 0
55 [CG2001] G313.42+0.09 rG 14 19 34.5 -60 58 27           ~ 2 0
56 [CG2001] G313.46+0.19 HII 14 19 36.7 -60 52 00           ~ 2 0
57 [CG2001] G313.28-0.33 Rad 14 19 38.7 -61 25 01           ~ 2 0

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