1997A&A...324..263D

Query : 1997A&A...324..263D

1997A&A...324..263D - Astronomy and Astrophysics, volume 324, 263-275 (1997/8-1)

Near-IR imaging of the molecular outflows in HH 24-26, L 1634 (HH 240-241), L 1660 (HH 72) and RNO 15-FIR.

DAVIS C.J., RAY T.P., EISLOEFFEL J. and CORCORAN D.

Abstract (from CDS):

Narrow-band images in H2 v=1-0S(1) (2.122µm) and adjacent continuum (2.104µm) are presented of a number of outflows that are driven by young, deeply embedded sources. We report the detection of a H2 outflow associated with the Class 0 source in the HH24-26 region, HH24-MMS, as well as extensive H2 line emission in the HH25 and HH26 CO outflows. In L1634 a sequence of well-defined molecular bow shocks in the blue-shifted outflow lobe points to variability in the flow velocity, while in L1660, the poorly aligned H2 knots suggest a wide outflow opening angle and perhaps also a variable flow direction. We also report the discovery of a highly collimated molecular jet associated with the embedded source RNO15FIR. These observations provide evidence that molecular outflows from young stars are driven by collimated jets. Indeed, in H2, we likely observe the molecular shocks which sweep up ambient gas to form the associated CO outflows. We find, however, no obvious correlation between the presumed age of the source of each outflow (based on its IR excess), and the length or luminosity of the flow in H2.

Abstract Copyright: ∼

Journal keyword(s): ISM: jets and outflows - infrared: ISM: lines and bands - ISM: HH 24-26 (NAME HH 24MMS) - L 1634 = LDN 1634 (HH 240-241) - L 1660 (HH 72) - RNO 15 FIR (IRAS 03245+3002)

Nomenclature: Fig.1: SSV LDN 1630 NNW (Nos 63E, 63W). Table 2: HH NNN (No. 241).

CDS comments: Table 5 : IRAS 03282 = 03282+3035, 21334 = 21334+5039

Simbad objects: 81

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Number of rows : 81
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 NAME LDN 1455 IRS 1 cor 03 27 39.08 +30 13 03.1           ~ 161 0
3 NAME HH 7-11 FIR 03 29 03.9 +31 16 06           ~ 351 0
4 IRAS 03282+3035 cor 03 31 20.98 +30 45 30.1           ~ 176 0
5 HH 211 Y*O 03 43 56.52 +32 00 52.8           ~ 368 0
6 HH 240D HH 05 19 36.6 -05 51 14           ~ 5 0
7 HH 240C HH 05 19 37.233 -05 51 23.32           ~ 5 0
8 HH 240B HH 05 19 38.7 -05 51 23           ~ 5 0
9 HH 240A HH 05 19 40.5 -05 51 42           ~ 10 1
10 HH 240 HH 05 19 40.7 -05 51 44           ~ 30 0
11 NAME HH 240/241 DNe 05 19 48.9 -05 52 05           ~ 111 1
12 JCMTSF J051951.3-055208 Y*O 05 19 52 -05 52.1           ~ 23 0
13 HH 241A HH 05 19 57.0 -05 52 24           ~ 9 0
14 HH 241 HH 05 19 58.2 -05 52 24           ~ 16 0
15 HH 241B HH 05 19 58.2 -05 52 21           ~ 3 0
16 HH 241C HH 05 19 58.8 -05 52 36           ~ 3 0
17 HH 241D HH 05 20 01.1 -05 52 34           ~ 4 0
18 HH 33 HH 05 35 19.4 -06 18 03           ~ 59 0
19 HH 1 HH 05 36 20.8 -06 45 13           ~ 410 1
20 HH 2 HH 05 36.4 -06 47           ~ 341 1
21 HH 64 HH 05 37 47.8 -07 05 30           ~ 183 0
22 HH 43 HH 05 38 10.4 -07 09 25           ~ 100 0
23 Haro 4-255 Y*O 05 39 22.3402033872 -07 26 44.480192532   15 15.830   12.969 K0 102 0
24 NAME Horsehead Nebula DNe 05 40 59.0 -02 27 30           ~ 511 0
25 HH 91 HH 05 41 58.2 -01 13 37           ~ 27 1
26 HH 212 HH 05 43 51.41 -01 02 53.1           ~ 391 1
27 LDN 1630 DNe 05 45.5 -00 59           ~ 381 0
28 HH 26B HH 05 46 01.6 -00 15 23           ~ 7 0
29 2MASS J05460363-0014493 Y*O 05 46 03.63 -00 14 49.3           ~ 66 0
30 HH 25B HH 05 46 03.8 -00 12 08           ~ 5 0
31 IRAS 05435-0015 Y*O 05 46 04.775 -00 14 16.51           ~ 73 0
32 HH 26A HH 05 46 05.0 -00 14 38           ~ 13 0
33 HH 26 HH 05 46 05.1 -00 14 17           ~ 100 1
34 HH 25 HH 05 46 06 -00 13.4           ~ 74 0
35 NAME HH 24-26 MoC 05 46 07.34 -00 13 31.3           ~ 35 0
36 HH 25A HH 05 46 07.4 -00 13 26           ~ 8 0
37 SSV LDN 1630 60 IR 05 46 07.7 -00 14 17           ~ 8 0
38 NAME HH 25MMS Y*O 05 46 07.8 -00 13 41           ~ 59 0
39 2MASS J05460787-0010014 Y*O 05 46 07.873 -00 10 01.41           ~ 33 0
40 HBC 502 TT* 05 46 07.8799942272 -00 11 56.887013256     14.5     K3 46 0
41 HH 24B HH 05 46 07.97 -00 10 05.5           ~ 11 0
42 IRAS 05435-0011 Y*O 05 46 08.45544 -00 10 02.9568           ~ 86 0
43 HH 25C HH 05 46 08.5 -00 14 07           ~ 8 0
44 HH 25D HH 05 46 08.7 -00 14 33           ~ 9 0
45 HGBS J054608.3-001044 Y*O 05 46 08.8 -00 10 47           ~ 92 0
46 HH 26C HH 05 46 08.9 -00 14 27           ~ 14 0
47 HH 24 HH 05 46 09 -00 10.2           ~ 160 1
48 HH 24A HH 05 46 09.2296069344 -00 10 25.627182960           ~ 35 0
49 HH 26D HH 05 46 14.05 -00 13 51.3           ~ 6 0
50 M 78 RNe 05 46 45.8 +00 04 45   8.0       ~ 375 0
51 HH 110 HH 05 51 24.9 +02 54 52           ~ 88 0
52 HH 111 HH 05 51 44.2 +02 48 34           ~ 411 0
53 NAME Mon OB1 G PoC 06 41 12 +09 55.6           ~ 107 0
54 NGC 2362 OpC 07 18 41.0 -24 57 14           ~ 409 0
55 HH 72Z HH 07 20 02.29 -24 02 12.3           ~ 2 0
56 HH 72Y HH 07 20 03.35 -24 02 19.4           ~ 2 0
57 LDN 1660 DNe 07 20 06.6 -24 02 21           ~ 30 1
58 HH 72L HH 07 20 06.70 -24 02 27.7           ~ 2 0
59 HH 72K HH 07 20 07.08 -24 02 25.9           ~ 2 0
60 HH 72J HH 07 20 07.58 -24 02 27.0           ~ 2 0
61 HH 72I HH 07 20 07.74 -24 02 23.9           ~ 2 0
62 JCMTSF J072007.9-240226 IR 07 20 08 -24 02.4           ~ 25 0
63 HH 72H HH 07 20 08.83 -24 02 21.5           ~ 2 0
64 HH 72G HH 07 20 09.42 -24 02 21.7           ~ 1 0
65 HH 72A HH 07 20 10.22 -24 02 21.7           ~ 4 0
66 HH 72E HH 07 20 10.29 -24 02 18.2           ~ 2 0
67 Ced 96 Y*O 07 20 10.3 -24 02 24           ~ 30 1
68 HH 72D HH 07 20 10.40 -24 02 26.4           ~ 2 0
69 HH 72B HH 07 20 10.54 -24 02 23.1           ~ 6 0
70 HH 72C HH 07 20 11.41 -24 02 23.5           ~ 4 0
71 2MASS J08254384-5100326 Y*O 08 25 43.85 -51 00 32.7           ~ 316 1
72 HH 47 HH 08 25 44.30 -51 00 26.2           ~ 247 0
73 NAME VLA 1623-243 Y*O 16 26 26.42 -24 24 30.0           ~ 404 0
74 [SSG2006] MMS002 smm 16 26 26.50 -24 24 30.9           ~ 241 0
75 NAME NGC 6334-I Cl* 17 20 53.35 -35 47 01.5           ~ 342 0
76 LDN 483 DNe 18 17 35 -04 39.8           ~ 315 0
77 DR 21 SFR 20 39 01.6 +42 19 38           O4.5 1053 0
78 LDN 1157 DNe 20 39 06.4 +68 02 13           ~ 572 0
79 IRAS 21334+5039 Y*O 21 35 09.10944 +50 53 09.6072           ~ 42 0
80 NAME Cepheus A SFR 22 56 17.9 +62 01 49           ~ 738 2
81 NAME Cep E HII 23 03 12.779 +61 42 25.75           ~ 172 0

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