2012MNRAS.423.1127B

Query : 2012MNRAS.423.1127B

2012MNRAS.423.1127B - Mon. Not. R. Astron. Soc., 423, 1127-1143 (2012/June-3)

The structure of molecular gas associated with NGC 2264: wide-field 12CO and H2imaging.

BUCKLE J.V., RICHER J.S. and DAVIS C.J.

Abstract (from CDS):

We present wide-field, high-resolution imaging observations in 12CO 3 -> 2 and H21–0 S(1) towards a ∼ 1 deg2 region of NGC 2264. We identify 46 H2 emission objects, of which 35 are new discoveries. We characterize several cores as protostellar, reducing the previously observed ratio of pre-stellar/protostellar cores in the NGC 2264 clusters. The length of H2 jets increases the previously reported spatial extent of the clusters. In each cluster, <0.5 per cent of cloud material has been perturbed by outflow activity. A principal component analysis of the 12CO data suggests that turbulence is driven on scales >2.6 pc, which is larger than the extent of the outflows. We obtain an exponent α= 0.74 for the size–linewidth relation, possibly due to the high surface density of NGC 2264. In this very active, mixed-mass star-forming region, our observations suggest that protostellar outflow activity is not injecting energy and momentum on a large enough scale to be the dominant source of turbulence.

Abstract Copyright: 2012 The Authors Monthly Notices of the Royal Astronomical Society2012 RAS

Journal keyword(s): stars: formation - ISM: jets and outflows - infrared: ISM - submillimetre: ISM

Nomenclature: Table A1: MHO NNNN (Nos 3100-3109) added.

Simbad objects: 47

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Number of rows : 47
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 NAME Rosette Molecular Cloud MoC 06 34.7 +04 02           ~ 262 0
2 [PAB2006] D-MM11 mm 06 40 47.9 +09 34 42           ~ 3 0
3 [PAB2006] D-MM14 mm 06 40 48.7 +09 35 57           ~ 3 0
4 [PAB2006] D-MM5 mm 06 40 49.4 +09 34 29           ~ 3 0
5 JCMTSE J064050.8+093513 MoC 06 40 51.2 +09 35 24           ~ 6 0
6 V* V346 Mon Or* 06 40 51.9108599688 +09 37 55.841166048 17.154 16.781 16.177 15.71 15.348 G5 20 0
7 NGC 2264 OpC 06 40 52.1 +09 52 37           ~ 1793 0
8 JCMTSF J064058.1+093619 mm 06 40 57.9 +09 36 24           ~ 6 0
9 * 15 Mon Be* 06 40 58.65963 +09 53 44.7229 3.360 4.45 4.68   4.88 O7V+B1.5/2V 803 0
10 V* V912 Mon Or* 06 40 59.3018740704 +09 35 52.389900096         16.50 GIII 32 0
11 [PAB2006] D-MM4 mm 06 41 00.3 +09 35 26           ~ 4 0
12 HH 581 HH 06 41 00.5 +09 32 56           ~ 2 0
13 HH 226 HH 06 41 02.2 +09 39 49           ~ 5 0
14 HH 225 HH 06 41 02.7 +09 44 16           ~ 5 0
15 HH 125 HH 06 41 02.8 +09 46 07           ~ 9 0
16 IRAS 06382+0939 Y*O 06 41 02.81160 +09 36 16.1712         19.89 ~ 89 0
17 [TLY2006] 5 mm 06 41 02.9 +09 34 31           ~ 5 0
18 BGPSv2 G203.223+02.076 MoC 06 41 04.2 +09 35 01           ~ 8 0
19 [TLY2006] 2 mm 06 41 04.6 +09 36 19           ~ 8 0
20 2MASS J06410577+0935295 Y*O 06 41 05.77872 +09 35 29.5584           ~ 8 0
21 JCMTSE J064105.8+093407 smm 06 41 05.8 +09 34 09           ~ 18 0
22 NAME Cone Nebula DNe 06 41.1 +09 53           ~ 86 1
23 JCMTSE J064106.2+093555 smm 06 41 06.3 +09 35 56           ~ 6 0
24 [TLY2006] 10 mm 06 41 07.0 +09 33 31           ~ 5 0
25 [TLY2006] 15 mm 06 41 07.7 +09 34 18           ~ 6 0
26 [PAB2006] C-MM11 mm 06 41 08.2 +09 30 00           ~ 6 0
27 [PAB2006] C-MM10 mm 06 41 08.5 +09 29 47           ~ 6 0
28 [TLY2006] 11 mm 06 41 08.5 +09 35 43           ~ 6 0
29 [PAB2006] C-MM12 mm 06 41 09.8 +09 29 51           ~ 8 0
30 NAME Mon OB1 D PoC 06 41 09.9 +09 34 34           ~ 59 1
31 [RRA2004] NGC 2264 MM VLA 2 mm 06 41 10.062 +09 29 21.78           ~ 16 0
32 RAFGL 989 Y*O 06 41 10.1587451112 +09 29 33.635220144   17.4 16.8 18.26 17.28 B2 266 0
33 [PAB2006] C-MM5 mm 06 41 10.2 +09 29 36           ~ 8 0
34 V* V582 Mon TT* 06 41 10.3403165544 +09 28 33.487425336   17.404   17.21 16.45 K5e 192 0
35 NAME Mon OB1 C PoC 06 41 11 +09 29.1           ~ 53 1
36 [PAB2006] C-MM13 mm 06 41 11.45 +09 29 17.0           ~ 8 0
37 JCMTSE J064111.5+093531 smm 06 41 11.6 +09 35 32           ~ 5 0
38 NAME Mon OB1 G PoC 06 41 12 +09 55.6           ~ 107 0
39 [WZM2000] MMS 3 mm 06 41 12.3 +09 29 12           ~ 32 0
40 JCMTSE J064112.7+092702 smm 06 41 12.7 +09 27 01           ~ 6 0
41 JCMTSE J064114.8+092714 MoC 06 41 14.8 +09 27 10           ~ 7 0
42 [PAB2006] C-MM9 mm 06 41 15.1 +09 29 36           ~ 6 0
43 [PAB2006] C-MM8 mm 06 41 15.2 +09 27 31           ~ 3 0
44 JCMTSE J064115.2+092914 smm 06 41 15.3 +09 29 10           ~ 9 0
45 JCMTSE J064118.0+092902 MoC 06 41 18.0 +09 29 02           ~ 10 0
46 IRAS 06396+0946 FIR 06 42 25.6 +09 43 15           ~ 1 0
47 NGC 2264A PoC 06 42 42 +09 13.3           ~ 6 0

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