2004A&A...415..189M

Query : 2004A&A...415..189M

2004A&A...415..189M - Astronomy and Astrophysics, volume 415189-201 (2004/2-3)

Parsec-scale Herbig-Haro outflows from intermediate mass stars.

McGROARTY F., RAY T.P. and BALLY J.

Abstract (from CDS):

While there are many parsec-scale Herbig-Haro (HH) outflows known to be driven by low-mass young stars, few are associated with their intermediate mass counterparts. Here we present the discovery of five such bipolar outflows. Of these, LkHα198, 1548C27IRS1, LkHα233 and LkHα234 were previously known to possess small-scale HH flows, while no such activity was observed before near IRAS19395+2313. The largest of the newly discovered outflows are seen in the vicinity of LkHα234 and 1548C27IRS1, and stretch (in projection) 8pc and 7.5pc respectively. LkHα233 which was previously known to power a spectroscopically detected small-scale (≤10'') jet is now seen to drive a 3pc outflow and LkHα198 is shown here to power a 2pc outflow. Two HH objects in the vicinity of IRAS19395+2313 lead us to suggest that it may also be responsible for a 5pc outflow. In total, 27 new HH objects/complexes were discovered. Examination of these parsec-scale outflows show that they have similar lengths, morphologies, and dynamical timescales as those from low-mass sources. Many appear to have blown out of the parent cloud, suggesting that their total lengths are much greater than optically observed. The degree of collimation of these outflows is similar to those from low-mass sources suggesting that the transition to more poorly-collimated outflows must occur at higher masses than the sources observed here.

Abstract Copyright: ∼

Journal keyword(s): ISM: Herbig-Haro objects - stars: formation - stars: individual: LkHα198, 1548C27 IRS1, LkHα233, LkHα234

Simbad objects: 64

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Number of rows : 64
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 HD 627 ** 00 10 46.3658992392 +58 46 10.266098304   8.37 8.25     B7V 54 1
2 HH 800 HH 00 11 02.0 +58 55 04           ~ 3 0
3 HH 801 HH 00 11 12.0 +58 54 01           ~ 3 0
4 IRAS 00087+5841 FIR 00 11 25.4 +58 57 43           ~ 3 0
5 NAME V633 Cas B Y*O 00 11 25.81 +58 49 34.6           ~ 9 2
6 EM* LkHA 198 Ae* 00 11 25.8495450336 +58 49 28.713961920   14.65 13.79 14.03   B9e 226 0
7 HH 164 HH 00 11 26.112 +58 49 29.01           ~ 8 0
8 HH 161 HH 00 11 27.523 +58 49 26.00           ~ 8 0
9 HH 162 HH 00 11 28.433 +58 50 08.00           ~ 6 0
10 HH 802 HH 00 11 44.5 +58 42 39           ~ 3 0
11 NAME W 5 East MoC 03 01 32 +60 29.2           ~ 130 2
12 V* V801 Ori TT* 05 35 26.8302324384 -06 26 47.614496064     14.901   13.225 M0 96 1
13 2MASS J05352984-0626583 Or* 05 35 29.8502549712 -06 26 58.334492688         18.18 ~ 105 0
14 GBS-VLA J053622.86-064606.6 Y*O 05 36 22.84 -06 46 06.2           ~ 111 0
15 HH 111 HH 05 51 44.207 +02 48 33.87           ~ 418 0
16 HGBS J055146.1+024829 Y*O 05 51 46.3 +02 48 28           ~ 94 0
17 V* R Mon Ae* 06 39 09.9542000448 +08 44 09.539482632 10.76 12.46 11.85 10.96 10.25 B8IIIe 525 0
18 NAME HH 80-81 IRS HII 18 19 11.8 -20 47 35           ~ 157 0
19 HH 805 HH 19 41 41.5 +23 20 34           ~ 1 0
20 IRAS 19395+2313 IR 19 41 42.7 +23 20 37           ~ 5 0
21 HH 806 HH 19 42 03.4 +23 20 02           ~ 1 0
22 LS II +23 17 Be* 19 42 05.5316879904 +23 18 59.582109564 11 11.20 10.42     B0IVe 28 0
23 HH 807 HH 19 42 07.1 +23 19 54           ~ 1 0
24 HH 804 HH 19 42 10.4 +23 21 49           ~ 1 0
25 HH 803 HH 19 42 47.0 +23 22 19           ~ 1 0
26 ZTF J194254.98+232414.7 Or* 19 42 54.9815013888 +23 24 14.763419640     15     ~ 47 1
27 NAME NIPSS 1548C27 IRS 1 HII 19 42 55.1 +23 24 15           ~ 8 0
28 HH 165 HH 19 42 55.747 +23 24 19.94           ~ 6 1
29 HH 365 HH 19 43 19.7670578952 +23 29 57.741081180           ~ 3 0
30 V* PV Cep Or* 20 45 53.9540390184 +67 57 38.679941304   19.27 17.46 15.98 14.60 A5 282 1
31 HH 822 HH 21 41 42.1 +66 01 45           ~ 3 0
32 HH 103A HH 21 42 23.8 +66 03 47           ~ 3 0
33 HH 825 HH 21 42 39.2 +66 10 56           ~ 1 0
34 IRAS 21416+6556 Y*O 21 42 45.3 +66 10 34           ~ 3 0
35 HH 824 HH 21 42 56.9 +66 09 10           ~ 1 0
36 NGC 7129 OpC 21 43 01.1 +66 07 04     11.5     ~ 271 0
37 EM* LkHA 234 Ae* 21 43 06.8218113480 +66 06 54.202272804 13.65 13.61 12.73 11.98 11.20 B5Ve 295 0
38 HH 823 HH 21 43 27.9 +66 11 46           ~ 1 0
39 GGD 34 HH 21 43 30.4 +66 03 43           ~ 32 0
40 HH 821 HH 21 43 43.4 +66 08 47           ~ 2 0
41 HH 820 HH 21 43 47.9 +66 09 50           ~ 2 0
42 HH 818 HH 21 43 57.7 +66 10 26           ~ 2 0
43 HH 819 HH 21 44 01.0 +66 09 52           ~ 2 0
44 HH 817 HH 21 44 13.3 +66 10 55           ~ 2 0
45 HH 816 HH 21 44 26.4 +66 10 58           ~ 2 0
46 HH 815 HH 21 44 29.9 +66 13 42           ~ 3 0
47 GN 22.05.1 Y*O 22 06 50.449 +59 02 45.65           ~ 49 0
48 IRAS 22317+4024 FIR 22 33 57.3 +40 40 18           ~ 2 0
49 HH 813 HH 22 34 06.6 +40 36 18           ~ 1 0
50 HH 812 HH 22 34 11.6 +40 36 33           ~ 1 0
51 HH 811 HH 22 34 14.5 +40 36 48           ~ 1 0
52 HH 810 HH 22 34 21.2 +40 37 34           ~ 1 0
53 HH 809 HH 22 34 30.4 +40 39 01           ~ 1 0
54 HH 808 HH 22 34 35.6 +40 39 42           ~ 1 0
55 EM* LkHA 233 Ae* 22 34 40.984104 +40 40 04.19520   14.356 13.527 13.673   A7Ve 150 0
56 HH 814 HH 22 35 01.4 +40 43 33           ~ 1 0
57 HH 365B HH ~ ~           ~ 1 0
58 HH 365A HH ~ ~           ~ 1 0
59 HH 164F HH ~ ~           ~ 2 0
60 HH 164E HH ~ ~           ~ 3 0
61 HH 164D HH ~ ~           ~ 3 0
62 HH 164C HH ~ ~           ~ 3 0
63 [SRT91] S2 * ~ ~           ~ 2 0
64 HH 802I HH ~ ~           ~ 1 0

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