2004AJ....127.1736R

Query : 2004AJ....127.1736R

2004AJ....127.1736R - Astron. J., 127, 1736-1746 (2004/March-0)

Radio continuum jets from protostellar objects.

REIPURTH B., RODRIGUEZ L.F., ANGLADA G. and BALLY J.

Abstract (from CDS):

We have carried out a deep, 3.6 cm radio continuum survey of young outflow sources using the Very Large Array in its A configuration providing subarcsecond resolution. The eight regions observed are Haro 6-10 and L1527 IRS in Taurus, Haro 5a/6a in OMC 2/3, NGC 2023 MMS, NGC 2264 IRS1, HH 108 IRAS/MMS in Serpens, L1228, and L1251A. In combination with our similar and previously published maps of eight other star-forming regions, we find only one region with a single source, while the other 15 regions have on average 3.9 nearby sources. This supports the view that isolated star formation is rare. We have selected 21 objects, which are all young mostly Class I sources, and find a binary frequency of 33% in the separation range from 0".5 to 12". This is within the uncertainties comparable to the observed binary frequency among T Tauri stars in a similar separation range. Seven of the 21 sources drive giant Herbig-Haro flows. Four of these seven are known to have companions (three are triple systems), corresponding to 57%. We discuss these results in relation to the hypothesis that giant Herbig-Haro flows are driven by disintegrating multiple systems.

Abstract Copyright: ∼

Journal keyword(s): Stars: Binaries: General - ISM: Jets and Outflows - radio continuum: ISM - Stars: Formation - Stars: Pre-Main-Sequence

Nomenclature: Table 2: [RRA2004] Haro 6-10 VLA NA (Nos 1-3, 1B), [RRA2004] NGC 2023 MM VLA N (Nos 1-3), [RRA2004] NGC 2264 MM VLA N (Nos 1-8), [RRA2004] HH 108 VLA N (Nos 1-2). Text: [RRA2004] JHHMMSSs+DDMMSS N=1. Table 2: [RRC99] VLA NN (Nos 15-18) added. Table 2: [RR96] HH 199 N (Nos 3-4) added. Table 2: [BEA2001] L1251A NN (Nos 10-11) added.

Simbad objects: 84

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Number of rows : 84
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 LDN 1448 DNe 03 22.5 +30 35           ~ 515 0
2 2MASS J03290842+3115284 NIR 03 29 08.420 +31 15 28.48           ~ 228 1
3 EM* LkHA 270 TT* 03 29 17.6758022904 +31 22 44.892332544   16.344 14.639 13.994   K2/3IIIe 85 0
4 ATO J052.3580+31.4444 Or* 03 29 25.9204996396 +31 26 40.073601979     14.55     M2.2 42 0
5 HH 410 HH 04 28 +24.3           ~ 11 1
6 HH 184E HH 04 29 11.4 +24 30 13           ~ 6 0
7 HH 184B HH 04 29 14.3 +24 31 07           ~ 6 0
8 HH 184A HH 04 29 20.1 +26 32 37           ~ 8 0
9 V* GV Tau TT* 04 29 23.7314759229 +24 33 00.216016292 19.20         K7 283 0
10 V* GV Tau A * 04 29 23.7322948921 +24 33 00.241218221           ~ 35 0
11 V* GV Tau B * 04 29 23.7603742259 +24 32 59.248875580           ~ 31 0
12 HH 184G HH 04 29 24.3 +24 31 26           ~ 6 0
13 HH 184F HH 04 29 24.4 +24 32 30           ~ 7 0
14 [RRA2004] Haro 6-10 VLA 3 Rad 04 29 25.97 +24 32 34.2           ~ 2 0
15 HH 411 HH 04 30 +24.7           ~ 8 1
16 HH 28 HH 04 31 06.8 +18 03 28           ~ 94 0
17 HH 29 HH 04 31 26.9 +18 06 39           ~ 110 0
18 LDN 1551 DNe 04 31 30.0 +18 12 30           ~ 805 1
19 LDN 1527 DNe 04 39 53 +25 45.0           ~ 635 0
20 HH 192 HH 04 39 53.86 +26 03 10.0           ~ 5 0
21 IRAS 04368+2557 Y*O 04 39 53.97816 +26 03 09.6804           ~ 278 0
22 GBS-VLA J043959.85+260206.9 Rad 04 39 59.85 +26 02 06.9           ~ 3 0
23 HH 295 HH 05 34 36.9 -05 04 17           ~ 6 0
24 M 42 HII 05 35 17 -05 23.4           ~ 4077 0
25 OMC 3 MoC 05 35 20.0 -05 01 00           ~ 273 1
26 GBS-VLA J053525.96-050543.3 Rad 05 35 25.96 -05 05 43.3           ~ 9 0
27 IRAS 05329-0505 Y*O 05 35 26.746 -05 03 55.08           ~ 93 0
28 OMC 2 MoC 05 35 27 -05 10.1           ~ 450 1
29 TKK 870 Y*O 05 35 28.19 -05 03 41.2           ~ 48 0
30 [RRC99] VLA 17 Rad 05 35 29.224 -05 05 44.23           ~ 1 0
31 M 43 HII 05 35 31 -05 16.2           ~ 187 0
32 [RRC99] VLA 18 Rad 05 35 33.645 -05 03 08.00           ~ 1 0
33 HH 41 HH 05 36 02.0 -05 02 50           ~ 23 0
34 HH 42 HH 05 36 05.0 -05 04 41           ~ 22 0
35 [H53b] 5a RNe 05 37 -05.0           ~ 11 0
36 NAME Ori A MoC 05 38 -07.1           ~ 3012 0
37 NAME Horsehead Nebula DNe 05 40 59.0 -02 27 30           ~ 511 0
38 GBS-VLA J054121.69-021108.3 Y*O 05 41 21.6962420 -02 11 08.387866           ~ 17 0
39 HGBS J054125.2-021807 Y*O 05 41 24.930 -02 18 06.75           ~ 38 0
40 JCMTSF J054129.1-021656 Rad 05 41 29.208 -02 16 47.39           ~ 4 0
41 HD 37903 Em* 05 41 38.3891026008 -02 15 32.479650720 7.32 7.94 7.83 7.64 7.52 B3IV 363 0
42 LDN 1630 DNe 05 45.5 -00 59           ~ 381 0
43 HGBS J054608.3-001044 Y*O 05 46 08.8 -00 10 47           ~ 92 0
44 HH 24 HH 05 46 09 -00 10.2           ~ 160 1
45 HH 111 HH 05 51 44.2 +02 48 34           ~ 411 0
46 HGBS J055146.1+024829 Y*O 05 51 46.3 +02 48 28           ~ 88 0
47 NGC 2264 OpC 06 40 52.1 +09 52 37           ~ 1793 0
48 NAME Cone Nebula DNe 06 41.1 +09 53           ~ 86 1
49 [RRA2004] NGC 2264 MM VLA 1 Rad 06 41 10.024 +09 29 44.55           ~ 1 0
50 [RRA2004] NGC 2264 MM VLA 2 mm 06 41 10.062 +09 29 21.78           ~ 16 0
51 [RRA2004] NGC 2264 MM VLA 3 mm 06 41 10.117 +09 29 36.09           ~ 14 0
52 RAFGL 989 Y*O 06 41 10.1587451112 +09 29 33.635220144   17.4 16.8 18.26 17.28 B2 266 0
53 [RRA2004] NGC 2264 MM VLA 5 Rad 06 41 11.274 +09 29 05.93           ~ 2 0
54 NAME NGC 2264 MM smm 06 41 12.2 +09 29 07           ~ 7 2
55 [RRA2004] NGC 2264 MM VLA 6 Rad 06 41 12.630 +09 29 04.47           ~ 2 0
56 [RRA2004] NGC 2264 MM VLA 7 Rad 06 41 12.697 +09 29 03.83           ~ 1 0
57 [RRA2004] NGC 2264 MM VLA 8 Rad 06 41 13.047 +09 27 31.72           ~ 1 0
58 [RRA2004] J0641154+092645 Rad 06 41 15.4 +09 26 45           ~ 1 1
59 [HCP2006] Cluster A Cld 18 29 56 +01 14.8           ~ 48 0
60 HH 108 HH 18 35 36.2 -00 35 09           ~ 19 0
61 HH 109 HH 18 35 39.0 -00 34 20           ~ 10 0
62 IRAS 18331-0035 IR 18 35 42.135 -00 33 18.30           ~ 24 0
63 [RRA2004] HH 108 VLA 2 Rad 18 35 46.382 -00 31 43.38           ~ 1 0
64 NAME HH 108 MMS mm 18 35 46.55 -00 32 41.8           ~ 15 0
65 LDN 705 DNe 19 36.8 +12 27           ~ 4 0
66 LDN 663 DNe 19 36 55 +07 34.4           ~ 646 0
67 IRAS 19345+0727 cor 19 37 00.7 +07 34 08           ~ 89 0
68 HH 199 HH 20 54 50.2 +77 32 18           ~ 24 0
69 HH 200 HH 20 57 +77.6           ~ 16 0
70 2MASS J20570655+7736559 Y*O 20 57 06.554 +77 36 55.94           ~ 8 0
71 IRAS 20582+7724 Y*O 20 57 12.9250225656 +77 35 43.656301932           ~ 117 0
72 LDN 1228 DNe 20 57 13 +77 35.8           ~ 128 0
73 NVSS J205725+773330 Rad 20 57 25.40 +77 33 30.8           ~ 3 0
74 [RR96] HH 199 3 Rad 20 57 27.809 +77 34 59.90           ~ 1 0
75 LDN 1251A DNe 22 30 31.8 +75 14 17           ~ 75 2
76 2MASS J22352345+7517076 Y*? 22 35 23.46 +75 17 07.6           ~ 14 1
77 [BEA2001] L1251A 10 Rad 22 35 24.140 +75 17 04.89           ~ 5 0
78 HH 149 HH 22 35 24.2 +75 17 06           ~ 9 0
79 IRAS 22343+7501 Y*O 22 35 24.42480 +75 17 03.7320     22.99 20.22 17.76 ~ 44 0
80 2MASS J22352497+7517113 Y*O 22 35 24.9481883664 +75 17 11.524587288     20.94 19.12 16.09 ~ 13 0
81 [BEA2001] L1251A 11 Rad 22 35 29.174 +75 17 08.13           ~ 1 0
82 NAME Cepheus Flare MoC 23 34 +72.0           ~ 128 0
83 HH 184C HH ~ ~           ~ 5 0
84 HH 184D HH ~ ~           ~ 5 0

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