2009ApJ...700.1000A

Query : 2009ApJ...700.1000A

2009ApJ...700.1000A - Astrophys. J., 700, 1000-1008 (2009/August-1)

The enormous outer galaxy H II region CTB 102.

ARVIDSSON K., KERTON C.R. and FOSTER T.

Abstract (from CDS):

We present new radio recombination line observations of the previously unstudied H II region CTB 102. Line parameters are extracted and physical parameters describing the gas are calculated. We estimate the distance to CTB 102 to be 4.3 kpc. Through comparisons with H I and 1.42 GHz radio continuum data, we estimate the size of CTB 102 to be 100-130 pc, making it one of the largest H II regions known, comparable to the W4 complex. A stellar wind blown bubble model is presented as the best explanation for the observed morphology, size, and velocities.

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Journal keyword(s): H II regions - ISM: bubbles - ISM: individual: CTB 102 - radio lines: ISM

Nomenclature: Tables 1-3: [AKF2009] NN N=8 among (Nos 2-10), [AKF2009] CTB 102p N=1.

Simbad objects: 29

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Number of rows : 29
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 Heart Nebula HII 02 32.7 +61 27           ~ 336 1
2 IC 1805 OpC 02 32 52.1 +61 28 36           ~ 542 1
3 NAME Per Arm PoG 03 30 +45.0           ~ 1672 0
4 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
5 NAME Cyg Arm PoG 20 02 +40.0           ~ 163 0
6 [AKF2009] 2 HII 21 01 32.5 +50 51 17           ~ 1 0
7 SH 2-121 HII 21 05 16 +49 39.9           ~ 31 0
8 [AKF2009] 4 HII 21 05 19.1 +52 17 01           ~ 1 0
9 [AKF2009] 5 HII 21 05 56.4 +51 52 53           ~ 1 0
10 [AKF2009] 6 HII 21 07 14.6 +52 07 03           ~ 1 0
11 IRAS 21078+5211 HII 21 09 31.03 +52 24 16.1           ~ 65 0
12 [AKF2009] 7 HII 21 10 48.6 +51 55 51           ~ 1 0
13 GAL 093.06+02.81 HII 21 12 21.1 +52 28 59           ~ 30 0
14 [AKF2009] CTB 102p Rad 21 12 28.9 +52 32 23           ~ 1 0
15 [AKF2009] 10 HII 21 13 49.2 +52 27 25           ~ 1 0
16 [AKF2009] 9 HII 21 13 59.6 +52 15 09           ~ 1 0
17 NRAO 652 HII 21 15.6 +51 53           ~ 4 0
18 [AKF2009] 8 HII 21 15 39.9 +52 22 03           ~ 1 0
19 GRS G093.66 +02.57 Rad 21 16 18.6 +52 47 36           ~ 8 0
20 SNR G093.4+01.8 SNR 21 18 52.9 +51 56 59           ~ 18 0
21 KR 6 Rad 21 19 11.0 +53 20 07           ~ 6 0
22 SNR G094.0+01.0 SNR 21 23 56.6 +51 58 41           ~ 92 0
23 SH 2-128 HII 21 32 09.9 +55 52 53           ~ 173 1
24 LBN 094.79-01.77 HII 21 38 26 +50 23.1           ~ 39 0
25 BFS 8 HII 21 41 16.8 +52 38 40           ~ 11 0
26 BGE 2153+57 HII 21 54.6 +57 36           ~ 9 0
27 BFS 10 HII 21 56 30.40 +58 01 43.1           ~ 21 1
28 LBN 102.79-00.92 HII 22 19 09.0 +56 04 45           ~ 109 0
29 IRAS 22172+5549 Y*O 22 19 09.14787 +56 05 00.0380           ~ 105 0

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