2010MNRAS.404..661V

Query : 2010MNRAS.404..661V

2010MNRAS.404..661V - Mon. Not. R. Astron. Soc., 404, 661-720 (2010/May-2)

A near-IR imaging survey of intermediate- and high-mass young stellar outflow candidates.

VARRICATT W.P., DAVIS C.J., RAMSAY S. and TODD S.P.

Abstract (from CDS):

We have carried out a near-infrared imaging survey of luminous young stellar outflow candidates using the United Kingdom Infrared Telescope. Observations were obtained through the broad-band K (2.2µm) and narrow-band filters at the wavelengths of H2v = 1-0 S(1) (2.1218µm) and Brγ (2.166µm) lines. 50 regions were imaged with a field of view of 2.2 x 2.2arcmin2. Several young embedded clusters are unveiled in our near-infrared images. 76 per cent of the objects exhibit H2 emission and 50 per cent or more of the objects exhibit aligned H2 emission features suggesting collimated outflows, many of which are new detections. These observations suggest that disc accretion is probably the leading mechanism in the formation of stars, at least up to late O spectral types. The young stellar objects (YSOs) responsible for many of these outflows are positively identified in our images based on their locations with respect to the outflow lobes, Two-Micron All-Sky Survey colours and association with Midcourse Space Experiment, Infrared Astronomical Satellite, millimetre and radio sources. The close association of molecular outflows detected in CO with the H2emission features produced by shock excitation by jets from the YSOs suggests that the outflows from these objects are jet-driven. Towards strong radio emitting sources, H2 jets were either not detected or were weak when detected, implying that most of the accretion happens in the pre-ultracompact (pre-UC) HII phase; accretion and outflows are probably weak when the YSO has advanced to its UC HII stage.

Abstract Copyright: © 2010 The Authors. Journal compilation © 2010 RAS

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

VizieR on-line data: <Available at CDS (J/MNRAS/404/661): table.dat tableb1.dat fits/*>

Nomenclature: Tables 1-3, col(1): [VDR2010] NN (Nos 1-50). Figs A1-A50, Table B1: [VDR2010] NN-NNa N=127, [VDR2010] NN-R N=2. Table B1: MHO NNNN (Nos 721, 734, 858-882, 1000-1019, 1023-1024, 1042-1046, 1048, 1200-1203, 2201-2211, 2302, 2600-2604, 2606-2615, 2620, 2753-2766, 2700-2702). Text: [VDR2010] IRAS 18144-1723 A N=1.

Simbad objects: 86

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Number of rows : 86
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 IRAS 00420+5530 Y*? 00 44 57.31 +55 47 18.1           ~ 61 0
2 [MTR2002] Mol 3 MM 2 Rad 00 44 57.5 +55 46 57           ~ 3 0
3 [MTR2002] Mol 3 MM 1 Rad 00 44 58.2 +55 46 46           ~ 3 0
4 IRAS 04579+4703 Y*O 05 01 39.661 +47 07 21.92           ~ 51 0
5 IRAS 05137+3919 Cld 05 17 13.3 +39 22 14           ~ 75 0
6 IRAS 05168+3634 mul 05 20 16.2 +36 37 21           ~ 48 0
7 GAL 174.20-00.08 Cld 05 30 45.9 +33 47 56           ~ 210 2
8 NGC 1985 RNe 05 37 47.8 +31 59 24           ~ 145 2
9 IRAS 05358+3543 Y*O 05 39 09.92 +35 45 17.2           ~ 171 0
10 IRAS 05361+3539 HII 05 39 28.67 +35 40 38.7           ~ 41 0
11 IRAS 05373+2349 Y*O 05 40 24.2280641304 +23 50 54.705306336           ~ 68 1
12 Mol 12 Rad 05 40 24.4 +23 50 54           ~ 50 0
13 IRAS 05490+2658 Y*O 05 52 12.9 +26 59 33           ~ 51 0
14 GAL 192.16-03.82 HII 05 58 13.4 +16 32 00           ~ 145 1
15 IRAS 06061+2151 SFR 06 09 07.8 +21 50 39           ~ 87 0
16 IRAS 06584-0852 Y*O 07 00 50.94192 -08 56 30.1812           ~ 37 0
17 [VDR2010] IRAS 18144-1723 A Y*O 18 17 24.375 -17 22 14.71           ~ 3 0
18 IRAS 18144-1723 IR 18 17 24.4 -17 22 13           ~ 35 0
19 LBN 018.45+01.87 HII 18 17 52.5 -11 40 58           ~ 60 1
20 IRAS 18151-1208 Y*O 18 17 58.1254 -12 07 24.893           ~ 114 0
21 Mol 49 Rad 18 18 53.5 -16 47 39           ~ 3 0
22 GAL 014.33-00.64 HII 18 18 53.5 -16 47 39           ~ 75 0
23 IRAS 18174-1612 HII 18 20 24.6 -16 11 40           ~ 32 0
24 GRS G015.04 -00.68 Rad 18 20 24.7 -16 11 35           ~ 4 0
25 NAME M 17 UC1 HII 18 20 24.82 -16 11 34.9           ~ 57 1
26 NGC 6618 OpC 18 20 47 -16 10.3           ~ 1700 0
27 EGO G016.59-0.05 HII 18 21 07.9 -14 31 53           ~ 129 0
28 OH 016.59-00.05 Mas 18 21 09.0840 -14 31 48.556           ~ 85 0
29 MMB G019.884-00.534 cor 18 29 14.37 -11 50 23.0           ~ 119 1
30 RAFGL 7009S HII 18 34 20.911 -05 59 42.23           ~ 231 0
31 AGAL G025.409+00.106 cor 18 37 16 -06 38.6           ~ 57 0
32 IRAS 18360-0537 HII 18 38 40.3 -05 35 06           ~ 27 0
33 Mol 65 Rad 18 38 40.3 -05 35 06           ~ 4 0
34 AGAL G027.184-00.081 cor 18 41 13.26 -05 08 57.9           ~ 60 0
35 IRAS 18449-0115 cor 18 47 34.27 -01 12 43.2           ~ 430 1
36 GAL 034.4+00.23 HII 18 53 17.4 +01 24 55           ~ 93 1
37 IRAS 18517+0437 SFR 18 54 13.8 +04 41 32           ~ 89 0
38 IRAS 19088+0902 Rad 19 11 15.9 +09 07 27           ~ 22 0
39 IRAS 19092+0841 Rad 19 11 37.4 +08 46 30           ~ 30 0
40 GRS G045.07 +00.13 Rad 19 13 22 +10 50.9           ~ 21 0
41 IRAS 19110+1045 Y*O 19 13 22.0427 +10 50 53.336           ~ 132 0
42 Caswell OH 045.12+00.13 HII 19 13 27.85 +10 53 36.7           ~ 121 0
43 2MASS J19233684+1728589 Y*O 19 23 36.8145280608 +17 28 58.953209844           ~ 52 0
44 Mol 103 Rad 19 23 37.0 +17 28 59           ~ 9 0
45 AGAL G051.678+00.719 cor 19 23 59 +16 57.7           ~ 48 0
46 Mol 109 Rad 19 39 33.2 +23 59 55           ~ 7 0
47 MSX6C G059.6032+00.9116 HII 19 39 34.8 +23 59 51           ~ 22 0
48 IRAS 19388+2357 Y*O 19 40 59.1 +24 04 46           ~ 32 0
49 Mol 110 Rad 19 40 59.4 +24 04 39           ~ 10 0
50 MSX6C G059.7831+00.0648 Y*O 19 43 11.2464 +23 44 03.270           ~ 159 0
51 IRAS 19410+2336 SFR 19 43 11.5 +23 44 06           ~ 160 0
52 IRAS 20050+2720 Y*O 20 07 06.549 +27 28 49.10           ~ 107 0
53 Mol 114 Rad 20 07 06.7 +27 28 53           ~ 7 0
54 NAME IRAS 20050+2720 Cluster Cl* 20 07 06.7 +27 28 53           ~ 83 0
55 IRAS 20056+3350 Mas 20 07 31.5 +33 59 39           ~ 30 0
56 Mol 115 Rad 20 07 31.5 +33 59 39           ~ 6 0
57 IRAS 20062+3550 HII 20 08 09.8 +35 59 20           ~ 21 0
58 Mol 116 Rad 20 08 09.8 +35 59 20           ~ 7 0
59 IRAS 20126+4104 Y*O 20 14 25.8816769656 +41 13 36.879427236           B2.5-B0.5 469 0
60 LBN 077.61+01.59 HII 20 20 39.3 +39 37 52           ~ 80 0
61 IRAS 20198+3716 mul 20 21 41.1 +37 25 54           ~ 17 1
62 Onsala 2S HII 20 21 41.4 +37 25 44           ~ 41 0
63 NVSS J202141+372552 Rad 20 21 41.60 +37 25 52.1           ~ 16 2
64 GRS G075.78 +00.34 HII 20 21 43.6 +37 26 36           ~ 19 0
65 IRAS 20227+4154 HII 20 24 31.4 +42 04 17           ~ 32 0
66 Mol 126 Rad 20 30 27.9 +41 15 48           ~ 7 0
67 IRAS 20286+4105 HII 20 30 29.94 +41 15 50.8           ~ 57 1
68 IRAS 20293+3952 HII 20 31 11.040 +40 03 10.69           ~ 80 0
69 IRAS 20444+4629 MoC 20 45 59.64 +46 40 06.2           ~ 25 0
70 IRAS 21078+5211 HII 21 09 31.03 +52 24 16.1           ~ 65 0
71 GH2O 092.67+03.07 MoC 21 09 31.5 +52 20 53           ~ 9 0
72 IRAS 21307+5049 Y*O 21 32 30.59280 +51 02 16.0368           ~ 49 0
73 IC 1396 OpC 21 38 51.4 +57 31 52           ~ 523 1
74 HH 777 HH 21 40 21.6 +58 15 49           ~ 10 0
75 [BGE2002] BIMA 1 Y*O 21 40 39.67 +58 16 06.2           ~ 19 0
76 NAME HH 777 IRS ? 21 40 41.6 +58 16 38           ~ 4 0
77 [BGE2002] BIMA 2 Y*O 21 40 42.36 +58 16 09.7           ~ 123 0
78 NAME IC 1396 North CGb 21 40 42.6537 +58 16 01.882           ~ 193 1
79 [BGE2002] BIMA 3 Y*O 21 40 42.77 +58 16 01.1           ~ 20 0
80 IRAS 21519+5613 HII 21 53 38.8 +56 27 53           ~ 40 0
81 LBN 102.79-00.92 HII 22 19 09.0 +56 04 45           ~ 109 0
82 IRAS 22172+5549 Y*O 22 19 09.14787 +56 05 00.0380           ~ 105 0
83 IRAS 22305+5803 Y*O 22 32 23.972 +58 18 57.91           ~ 39 0
84 [BNM96] 109.098-0.346 HII 22 59 05.5344256224 +59 28 23.280817692           ~ 45 0
85 IRAS 23118+6110 Y*O 23 14 02.09473 +61 27 18.8460           ~ 385 0
86 IRAS 23139+5939 Y*O 23 16 10.3420 +59 55 28.596           ~ 100 0

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