1999AJ....117.2919D

Query : 1999AJ....117.2919D

1999AJ....117.2919D - Astron. J., 117, 2919-2930 (1999/June-0)

A giant Herbig-Haro flow from a massive young star in G192.16-3.82.

DEVINE D., BALLY J., REIPURTH B., SHEPHERD D. and WATSON A.

Abstract (from CDS):

We report the discovery of a 10 pc-long Herbig-Haro (HH) flow powered by a moderately massive young star associated with the compact H II region G192.16-3.82. At a distance of 2 kpc, the luminosity of G192.16-3.82 is about 3000 L☉. The HH 396/397 complex consists of a network of filamentary emission-line objects tracing a pair of collimated and limb-brightened outflow lobes that emerge from an opaque cloud core. The Hα- and [S II]-bright nebulosity has a large area covering factor, extending well beyond the mapped extent of the associated high-velocity molecular outflow. The HH 396/397 complex contains some shocks with a surface brightness comparable to HH 168 in Cepheus A, placing these among the brightest known HH objects. Furthermore, a large fraction of a 1' by 18' region surrounding G192.16-3.82 is laced with lower surface brightness emission-line features, making HH 396/397 one of the most spatially extended HH complexes studied so far. The dynamical age of this outflow is in the range 104 to 105 yr. We discuss plausible evolutionary scenarios for outflows powered by high-mass protostars and argue that the G192.16-3.82 outflow complex is relatively evolved. Despite being very elongated, this HH flow is most likely powered by a moderately collimated wind, rather than a highly collimated jet.

Abstract Copyright: ∼

Journal keyword(s): ISM: H II Regions - ISM: Herbig-Haro objects - ISM: Individual: Alphanumeric: HH 396 - ISM: Individual: Alphanumeric: HH 397 - ISM: Jets and Outflows - Stars: Formation

Nomenclature: HH NNN (Nos 396-397). Table 1: [DBR99] G192.16 = NAME G 192.16 N=1, [DBR99] UK N (Nos 1-4).

CDS comments: Knots of 'HH NNN' objects are 'HH NNNA' in SIMBAD.

Simbad objects: 59

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Number of rows : 59
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 NAME OMC-1 MoC 05 35 14 -05 22.4           ~ 1249 2
2 M 42 HII 05 35 16.8 -05 23 15           ~ 4411 0
3 NAME Ori A MoC 05 38 -07.1           ~ 3187 0
4 NGC 2071 RNe 05 47 10 +00 18.0           ~ 661 1
5 HH 396 HH 05 57 +16.5           ~ 4 0
6 HH 396Q HH 05 57 43.3 +16 31 27           ~ 1 0
7 HH 396P HH 05 57 44.3 +16 32 00           ~ 1 0
8 HH 396O HH 05 57 44.4 +16 30 50           ~ 1 0
9 HH 396N HH 05 57 45.3 +16 31 03           ~ 1 0
10 HH 396M HH 05 57 46.7 +16 31 39           ~ 1 0
11 HH 396J HH 05 57 50.6 +16 31 46           ~ 1 0
12 HH 396L HH 05 57 50.9 +16 31 21           ~ 1 0
13 HH 396K HH 05 57 51.2289090360 +16 31 36.205279644           ~ 1 0
14 HH 396I HH 05 57 53.1 +16 31 59           ~ 1 0
15 HH 396H HH 05 57 56.2 +16 31 23           ~ 1 0
16 HH 396G HH 05 57 57.0 +16 32 15           ~ 1 0
17 HH 396F HH 05 57 58.2 +16 32 25           ~ 1 0
18 HH 396E HH 05 57 58.3 +16 31 40           ~ 1 0
19 HH 396D HH 05 57 59.2 +16 31 08           ~ 1 0
20 HH 396C HH 05 58 03.7 +16 31 28           ~ 1 0
21 HH 396B HH 05 58 09.6 +16 32 00           ~ 1 0
22 HH 396A HH 05 58 11.1 +16 32 07           ~ 1 0
23 GAL 192.16-03.82 HII 05 58 13.4 +16 32 00           ~ 145 1
24 NAME G 192.16 cor 05 58 13.53 +16 31 58.3           ~ 21 1
25 2MASS J05581384+1631571 Y*O 05 58 13.841 +16 31 57.13           ~ 3 0
26 HH 397B HH 05 58 18.3 +16 31 21           ~ 1 0
27 HH 397C HH 05 58 19.2 +16 32 03           ~ 1 0
28 HH 397D HH 05 58 20.7 +16 31 56           ~ 1 0
29 HH 397E HH 05 58 22.8 +16 31 37           ~ 1 0
30 HH 397 HH 05 58 24.283 +16 32 44.31           ~ 3 0
31 HH 397F HH 05 58 24.3 +16 32 44           ~ 1 0
32 HH 397G HH 05 58 25.4 +16 32 14           ~ 1 0
33 HH 397H HH 05 58 27.2 +16 32 02           ~ 1 0
34 HH 397I HH 05 58 27.6 +16 33 36           ~ 1 0
35 HH 397J HH 05 58 29.1 +16 32 56           ~ 1 0
36 HH 397K HH 05 58 30.3 +16 32 03           ~ 1 0
37 HH 397L HH 05 58 32.4 +16 32 31           ~ 1 0
38 HH 397M HH 05 58 35.6 +16 32 20           ~ 1 0
39 HH 397N HH 05 58 40.5 +16 33 07           ~ 1 0
40 HH 397O HH 05 58 41.1 +16 32 43           ~ 1 0
41 HH 397P HH 05 58 44.8 +16 32 40           ~ 1 0
42 HH 397Q HH 05 58 45.7 +16 32 03           ~ 1 0
43 HH 397R HH 05 58 47.7 +16 32 22           ~ 1 0
44 HH 397S HH 05 58 48.3 +16 34 01           ~ 1 0
45 HH 397T HH 05 58 51.6 +16 33 23           ~ 1 0
46 HH 397U HH 05 58 54.4 +16 33 17           ~ 1 0
47 GAL 192.58-00.04 HII 06 12 53.16 +18 00 23.3           ~ 25 0
48 HH 135 HH 11 12 16.462 -58 46 34.33           ~ 16 0
49 HH 136 HH 11 12 19.6 -58 46 04           ~ 16 0
50 HH 80 HH 18 19 06.1 -20 51 49           ~ 104 0
51 HH 81 HH 18 19 06.7 -20 51 06           ~ 93 0
52 NAME HH 80-81 IRS HII 18 19 11.8 -20 47 35           ~ 157 0
53 IRAS 20126+4104 Y*O 20 14 25.8816769656 +41 13 36.879427236           B2.5-B0.5 469 0
54 DR 21 SFR 20 39 01.6 +42 19 38           O4.5 1121 0
55 NAME Cepheus A SFR 22 56 17.9 +62 01 49           ~ 760 2
56 [DBR99] UK 4 PoC ~ ~           ~ 1 0
57 [DBR99] UK 1 PoC ~ ~           ~ 1 0
58 [DBR99] UK 3 PoC ~ ~           ~ 1 0
59 [DBR99] UK 2 PoC ~ ~           ~ 1 0

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