2003A&A...397..227P

Query : 2003A&A...397..227P

2003A&A...397..227P - Astronomy and Astrophysics, volume 397227-236 (2003/1-1)

Near and mid-infrared images of the massive star forming complex G9.62+0.19.

PERSI P., TAPIA M., ROTH M., MARENZI A.R., TESTI L. and VANZI L.

Abstract (from CDS):

A near- and mid-infrared study of the star formation complex G9.62+0.19 is presented. It includes photometrically calibrated images through wide-band JHK and narrow-band Brγ, H2 and 12.5µm filters. These were taken at Las Campanas, La Silla and OAN-San Pedro Martir. We found evidence of two embedded young clusters of O-B5 stars associated with the radio components B and C, one compact and one ultracompact HII region. The data suggest the presence of a third, more dispersed cluster of more luminous infrared stars at the southern edge of the cloud complex. A large fraction of the star members of each cluster exhibit significant infrared excess. We confirm the detection of a very red near- and mid-infrared source immersed in the molecular hot core (component F). An H2 shocked gas knot, probably an obscured Herbig-Haro object, was found associated to the blue-shifted lobe of the high-velocity molecular outflow in this core. The properties of the individual sources are discussed in detail.

Abstract Copyright: ∼

Journal keyword(s): stars: formation - infrared: stars

Nomenclature: Table 1: [PTR2003] NN (Nos 1-27). Fig.10, Table 2: [PTR2003] cN (Nos c1-c8). Text: [PTR2003] JHHMMSS.s+DDMMSS, [PTR2003] JHHMMSS.ss+DDMMSS.s, N=4.

CDS comments: UC HII sources are [GRM93] G09.61+0.20 A in SIMBAD.

Simbad objects: 49

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Number of rows : 49
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 [PTR2003] 1 IR 18 06 11.61 -20 31 59.5           ~ 1 0
2 [GRM93] G09.61+0.20 A Rad 18 06 11.9 -20 31 41           ~ 15 0
3 [PTR2003] 2 IR 18 06 12.12 -20 31 21.2           ~ 1 0
4 [PTR2003] 3 IR 18 06 12.15 -20 32 12.0           ~ 1 0
5 [PTR2003] 4 IR 18 06 12.33 -20 31 49.7           ~ 1 0
6 [PTR2003] 5 IR 18 06 12.84 -20 31 12.1           ~ 1 0
7 [PTR2003] 6 IR 18 06 12.92 -20 32 11.2           ~ 1 0
8 [PTR2003] 7 IR 18 06 12.99 -20 31 12.3           ~ 1 0
9 [PTR2003] 8 IR 18 06 13.19 -20 31 49.8           ~ 1 0
10 [PTR2003] 9 IR 18 06 13.38 -20 32 04.2           ~ 1 0
11 [PTR2003] 10 IR 18 06 13.50 -20 31 40.6           ~ 1 0
12 [PTR2003] 11 IR 18 06 13.59 -20 31 33.9           ~ 1 0
13 [PTR2003] c1 IR 18 06 13.72 -20 31 22.8           ~ 1 0
14 GAL 009.62+00.19 HII 18 06 13.9 -20 31 44           ~ 226 0
15 [PTR2003] J180613.96-203144.6 IR 18 06 13.96 -20 31 44.6           ~ 1 0
16 [PTR2003] 12 IR 18 06 13.99 -20 31 33.3           ~ 1 0
17 [PTR2003] c2 IR 18 06 14.01 -20 31 22.5           ~ 1 0
18 [PTR2003] 13 IR 18 06 14.03 -20 31 41.3           ~ 1 0
19 [PTR2003] 14 IR 18 06 14.07 -20 31 35.4           ~ 1 0
20 [PTR2003] 15 IR 18 06 14.08 -20 31 42.4           ~ 1 0
21 [GRM93] G09.61+0.20 B Rad 18 06 14.1 -20 31 43           ~ 19 0
22 [PTR2003] 16 IR 18 06 14.13 -20 31 32.3           ~ 1 0
23 [PTR2003] 17 IR 18 06 14.15 -20 31 25.2           ~ 1 0
24 [PTR2003] c3 IR 18 06 14.15 -20 31 25.2           ~ 1 0
25 [PTR2003] 18 IR 18 06 14.21 -20 31 20.9           ~ 1 0
26 [PTR2003] c4 IR 18 06 14.22 -20 31 20.6           ~ 1 0
27 [PTR2003] c5 IR 18 06 14.24 -20 31 24.8           ~ 1 0
28 [PTR2003] c6 IR 18 06 14.29 -20 31 23.1           ~ 1 0
29 [PTR2003] 19 IR 18 06 14.33 -20 31 50.1           ~ 1 0
30 [PTR2003] 20 IR 18 06 14.34 -20 31 54.1           ~ 1 0
31 [PTR2003] c7 IR 18 06 14.34 -20 31 25.0           ~ 2 0
32 [PTR2003] 21 IR 18 06 14.40 -20 32 08.9           ~ 1 0
33 [GRM93] G09.61+0.20 C HII 18 06 14.4 -20 31 25           ~ 19 0
34 [PTR2003] c8 IR 18 06 14.42 -20 31 27.4           ~ 2 0
35 [PTR2003] 22 IR 18 06 14.48 -20 31 48.6           ~ 1 0
36 [PTR2003] 23 IR 18 06 14.59 -20 31 53.4           ~ 1 0
37 [PTR2003] 24 IR 18 06 14.59 -20 31 48.4           ~ 1 0
38 [PTR2003] J180614.7-203138 IR 18 06 14.7 -20 31 38           ~ 1 0
39 [GRM93] G09.61+0.20 E HII 18 06 14.7 -20 31 32           ~ 51 0
40 [GRM93] G09.61+0.20 G Rad 18 06 14.805 -20 31 37.17           ~ 10 0
41 [PTR2003] J180614.81-203137.0 IR 18 06 14.81 -20 31 37.0           ~ 1 0
42 [GRM93] G09.61+0.20 F Rad 18 06 14.89 -20 31 38.9           ~ 29 1
43 [GRM93] G09.61+0.20 D HII 18 06 14.9 -20 31 43           ~ 20 0
44 [PTR2003] J180615.04-203135.7 IR 18 06 15.04 -20 31 35.7           ~ 1 0
45 [GRM93] G09.61+0.20 H Rad 18 06 15.047 -20 31 36.72           ~ 8 0
46 [GRM93] G09.61+0.20 I Rad 18 06 15.172 -20 31 37.97           ~ 7 0
47 [PTR2003] 25 IR 18 06 15.31 -20 31 27.2           ~ 1 0
48 [PTR2003] 26 IR 18 06 15.62 -20 32 07.5           ~ 1 0
49 [PTR2003] 27 IR 18 06 16.92 -20 31 22.5           ~ 1 0

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