2006A&A...458..855S


C.D.S. - SIMBAD4 rel 1.7 - 2019.09.21CEST16:05:03

2006A&A...458..855S - Astronomy and Astrophysics, volume 458, 855-871 (2006/11-2)

A new view of the Cygnus X region. KOSMA 13CO 2 - 1, 3 - 2, and 12CO 3 - 2 imaging.

SCHNEIDER N., BONTEMPS S., SIMON R., JAKOB H., MOTTE F., MILLER M., KRAMER C. and STUTZKI J.

Abstract (from CDS):

The Cygnus X region is one of the richest star formation sites in the Galaxy. There is a long-standing discussion about whether the region is a chance superposition of several complexes along the line of sight or a single coherent complex at a distance of 1.5 to 2kpc. Combining a 13CO 2-1 survey taken with the KOSMA 3m telescope with mid-IR images from MSX provides a way to improve our understanding of the spatial structure of the complex. The physical properties of the molecular gas can be derived in more detail as it was done in former studies. Cygnus X has been mapped in 13CO J =2-1 (10.8deg2) at an angular resolution of 130'', as well as for smaller areas in 12CO and 13CO J=3-2 (90''), using the KOSMA 3m submm-telescope. We identified 91 clumps in 13CO 2-1 that have a typical excitation temperature of 10-30K, an average density of 1.3x103cm–3, radii of 1-8pc, and masses of a few hundred to several ten thousand M. The main cloud complexes, the northern part (M≃2.8x105M) including DR21 and W75N and the southern region (M≃4.5x105M) with IC 1318 b/c and AFGL2591, show differences in their physical properties. The 13CO emission is closely associated with mid-IR emission seen with MSX. We find evidence that Cygnus OB2 and Cygnus OB9 are affecting the molecular material in Cygnus X. Since essentially all molecular cloud complexes in Cygnus X form groups that are connected by molecular emission (visible in channel and position-velocity maps) and partly show evidence of interaction with UV radiation, we conclude that most of the objects seen in this region are located at the same distance, i.e., that of the OB2 cluster at ∼1.7kpc, which is also consistent with the distances of other OB associations (OB9, OB1) in Cygnus X.

Abstract Copyright:

Journal keyword(s): ISM: clouds - ISM: structure - ISM: individual objects: Cygnus X region - submillimeter

Nomenclature: Tables C1, C2, Figs B1-B6: [SBS2006b] DR NN NN, [SBS2006b] DR 17N N, [SBS2006b] AFGL 2591 N, N=87.

CDS comments: Fig.B6 In DR 13, source MSX6C is MSX6C G078.0013-01.244.In DR 15 the two MSX6C sources are MSX6C G079.3439+00.3191 and MSX6C G079.3398+00.3417. Fig.B3 objects W75S-FIR N are [CGC93] FIR N in Simbad.

Simbad objects: 100

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Number of rows : 100

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2019
#notes
1 NAME Maddalena Cloud MoC 06 48.1 -03 52           ~ 79 0
2 NAME Carina Molecular Cloud Complex MoC 10 43 10 -59 38.2           ~ 48 0
3 NAME Gal Center reg 17 45 40.04 -29 00 28.1           ~ 10927 0
4 W 49 SFR 19 10 20 +09 07.7           ~ 500 1
5 W 51 SNR 19 23 50 +14 06.0           ~ 1116 1
6 Ass Cyg OB 8 As* 20 15 +40.9           ~ 60 0
7 IC 1318 HII 20 16 48 +41 57.4           ~ 42 0
8 Ass Cyg OB 1 As* 20 17.8 +37 38           ~ 237 1
9 NAME gam Cyg SNR SNR 20 20 17.100 +40 26 09.00           ~ 196 2
10 LBN 077.61+01.59 HII 20 20 39.3 +39 37 52           ~ 74 0
11 NAME Northern Coalsack DNe 20 21 +37.0           ~ 96 0
12 Ass Cyg OB 9 As* 20 21 +39.9           ~ 111 0
13 MSX6C G077.8999+01.7678 Y*O 20 21 55.093 +39 59 45.57           ~ 4 0
14 SNR G078.2+00.1 SNR 20 21 56 +40 15.6           ~ 35 0
15 IRAS 20205+3948 Y*O 20 22 21.9 +39 58 05           ~ 28 0
16 NGC 6910 OpC 20 23 08 +40 46.5   7.13 7.4     ~ 159 0
17 MSX6C G078.0460+01.4906 IR 20 23 32.3 +39 57 27           ~ 1 0
18 IRAS 20253+3916 IR 20 25.0 +39 16           ~ 1 0
19 [LK2002] Cl03 OpC 20 25 38 +39 24.6           ~ 3 0
20 [D75b] Em* 20-090 Em* 20 25 49.1350977318 +39 30 15.604365812     15.1 15.94   ~ 7 0
21 DR 5 Rad 20 26.0 +40 11           ~ 18 0
22 IRAS 20247+3947 HII 20 26 32.21 +39 57 21.6           ~ 2 0
23 IRAS 20249+3955 IR 20 26 43.5 +40 05 29           ~ 3 0
24 IC 1318b ISM 20 27 +40.5           ~ 17 0
25 NAME DR 6 IR Cluster OpC 20 27 13.0 +39 26 56           ~ 7 0
26 18P 37 HII 20 27 13.1 +39 26 08           ~ 19 0
27 LDN 889 DNe 20 27 13.1 +40 05 54           ~ 11 0
28 DWB 67 HII 20 27.3 +39 42           ~ 15 0
29 SH 2-106 HII 20 27 26.8 +37 22 49           ~ 404 2
30 NAME IRAS 20264+4042 Cluster OpC 20 28 09.7 +40 52 42           ~ 9 0
31 18P 42 Rad 20 28 10.1 +40 52 00           ~ 35 0
32 NAME Cyg X Cld 20 28 41 +41 10.2           ~ 585 1
33 DR 10 Rad 20 28 56 +41 34.2           ~ 8 0
34 DR 9 HII 20 28 58 +39 02.1           ~ 14 0
35 MSX6C G079.1285+00.9630 IR 20 29 04.5066244362 +40 32 10.028434994           ~ 1 0
36 RAFGL 2591 Y*O 20 29 25.2650 +40 11 26.532   18       ~ 561 5
37 GAL 077.96-00.01 HII 20 29 36.4 +39 01 17           ~ 31 1
38 NAME DR 9 IR Cluster OpC 20 29 36.9 +39 01 15           ~ 5 0
39 2MASS J20302733+4116000 Y*O 20 30 27.336 +41 16 00.04           ~ 7 0
40 DR 13 HII 20 31 00 +38 58.2           ~ 15 0
41 IRAS 20293+3952 HII 20 31 11.040 +40 03 10.69           ~ 65 0
42 NAME DR 13 IR Stellar Group OpC 20 31 45.4 +38 58 00           ~ 4 0
43 [PWC2006] NH3 G79.27+0.38 Cld 20 31 59.61 +40 18 26.4           ~ 11 0
44 [PWC2006] NH3 G79.34+0.33 Cld 20 32 21.803 +40 20 08.00           ~ 12 0
45 IRAS 20305+4010 Y*O 20 32 22.086 +40 20 17.16           ~ 12 0
46 NAME IRAS 20306+3841 Cluster OpC 20 32 27.8 +38 51 26           ~ 5 0
47 [BNM96] 079.296+0.284 HII 20 32 27.9386824590 +40 16 07.618081278           ~ 29 0
48 IRAS 20306+3841 * 20 32 28.18 +38 51 30.7           ~ 6 0
49 MSX6C G079.3439+00.3191 Y*O 20 32 28.56 +40 19 41.6           ~ 9 0
50 NAME DR 15 IR Cluster OpC 20 32 29.0 +40 16 30           ~ 7 0
51 18P 59 HII 20 32 31.2 +40 16 35           ~ 60 0
52 IRAS 20307+3919 IR 20 32 48.0 +39 27 59           ~ 13 1
53 Ass Cyg OB 2 As* 20 33.2 +41 19           ~ 749 0
54 MSX6C G078.0013-01.244 Y*O 20 34 49.900 +38 19 07.36           ~ 2 0
55 IRAS 20332+4124 HII 20 35 00.5 +41 34 48           ~ 35 0
56 18P 64 Rad 20 35 08.4 +41 13 20           ~ 21 0
57 IRAS 20333+4127 * 20 35 09.77 +41 38 21.6           ~ 3 0
58 DR 17 HII 20 35.2 +42 25           ~ 34 0
59 MSX6C G080.3624+00.4213 IR 20 35 15.2 +41 12 23           ~ 2 0
60 NAME DR 17 IR Cluster OpC 20 35 23.0 +42 22 05           ~ 13 0
61 [LK2002] Cl14 OpC 20 35 43 +42 29.4           ~ 8 0
62 IRAS 20343+4129 HII 20 36 07.1 +41 40 01           ~ 50 0
63 IRAS 20350+4126 HII 20 36 52.6 +41 36 33           ~ 38 1
64 18P 73 Rad 20 36 55.9 +41 36 29           ~ 40 0
65 IRAS 20352+4124 * 20 37 00.97 +41 35 02.8           ~ 7 0
66 MSX6C G081.4515+00.7280 IR 20 37 27.4 +42 15 38           ~ 2 0
67 MSX6C G081.8324+00.8597 IR 20 38 08.27 +42 38 36.3           ~ 4 0
68 RAFGL 2620 IR 20 38 18.24 +42 06 17.4           ~ 5 0
69 [BDB2003] G081.44+00.48 OpC 20 38 29.0 +42 06 25           ~ 11 0
70 NAME Cyg X FIR 33 Y*O 20 38 35.9 +42 37 22           B1.5 355 1
71 2MASS J20385719+4222409 Y*O 20 38 57.19 +42 22 41.0           ~ 10 0
72 [CGC93] FIR 1 IR 20 39 00.37 +42 24 36.6           ~ 22 0
73 MSX6C G081.6802+00.5405 IR 20 39 00.7 +42 19 43           ~ 2 0
74 [MBS2007c] CygX-N44 Rad 20 39 01.01 +42 22 50.2           ~ 355 0
75 MSX6C G081.7220+00.5699 Y*O 20 39 01.4 +42 22 47           ~ 6 0
76 GRS G081.70 +00.50 SFR 20 39 01.6 +42 19 38           O4.5 927 0
77 MSX6C G081.7522+00.5906 Y*O 20 39 01.93 +42 24 59.6           ~ 19 0
78 MSX6C G081.7133+00.5589 Y*O 20 39 02.5 +42 21 58           ~ 5 0
79 NAME W 75S FIR 3 Y*O 20 39 02.97 +42 25 52.5           ~ 18 0
80 MSX6C G081.6411+00.4812 IR 20 39 08.3 +42 15 42           ~ 1 0
81 DR 22 HII 20 39 16.67 +41 18 44.7           ~ 43 1
82 IRAS Z20376+4109 Y*O 20 39 25.8 +41 20 02           ~ 22 1
83 [SBS2006b] DR 22 1 MoC 20 39 30.0 +41 21 00           ~ 2 0
84 NAME DR 22 Stellar Group Cl* 20 39 33.0 +41 18 46           ~ 4 1
85 NAME DR 22 Star Cluster OpC 20 39 34.0 +41 19 05           ~ 7 1
86 2MASX J20395796+4159152 Y*O 20 39 57.964 +41 59 15.20           ~ 6 1
87 MSX6C G081.1225-00.1343 IR 20 40 03.79 +41 28 33.7           ~ 3 0
88 DR 23 Rad 20 40.8 +41 54           ~ 35 0
89 NAME DR 23 IR Cluster OpC 20 41 15.9 +41 51 51           ~ 10 0
90 NAME DR 23 IR Stellar Group OpC 20 41 20.1 +41 58 22           ~ 9 0
91 NAME Cyg Superbubble PoC 20 47 +41.2           ~ 72 1
92 IC 5070 HII 20 51.0 +44 22           ~ 172 1
93 LDN 936 DNe 20 51.7 +45 11           ~ 4 0
94 LDN 914 DNe 20 51.8 +41 41           ~ 5 0
95 NAME Golf of Mexico DNe 20 56.8 +43 52           ~ 40 0
96 NGC 7000 HII 20 58 47 +44 19.8           ~ 355 1
97 Ass Cyg OB 7 As* 21 08 +47.6           ~ 188 0
98 [OCS90] DR 15 FIR 1 * ~ ~           B0 4 0
99 NAME Great Rift reg ~ ~           ~ 16 0
100 Ass Cyg OB 6 As* ~ ~           ~ 14 0

    Equat.    Gal    SGal    Ecl

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2019.09.21-16:05:03

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