1997A&A...325..542C

Query : 1997A&A...325..542C

1997A&A...325..542C - Astronomy and Astrophysics, volume 325, 542-550 (1997/9-2)

Cold dust around Herbig-Haro energy sources: morphology and new protostellar candidates.

CHINI R., REIPURTH B., SIEVERS A., WARD-THOMPSON D., HASLAM C.G.T., KREYSA E. and LEMKE R.

Abstract (from CDS):

We present 1300µm maps of regions centered on the energy sources of 20 HH objects in order to study the distribution of circumstellar matter around these young stellar objects. The data show that the emission generally originates from a rather compact region which is embedded in a more diffuse environment. The relative contribution of the compact component to the total emission varies from 15 to 100%. About half of the compact components appear spherically symmetric while the other half displays an elongated structure. There is, however, no correlation between the optical jet axis and the flattened dust structures, indicating that collimation occurs on smaller scales. Close to the energy source of HH114 we discovered a so far unknown mm-source with Lbol/Lsmm < 100 suggesting that it is still in its early protostellar evolutionary stage. In three other regions we detected similar unknown mm-sources without IRAS counterparts, indicating that they are also likely new protostellar candidates.

Abstract Copyright: ∼

Journal keyword(s): interstellar medium: dust - stars: circumstellar matter - formation of

Nomenclature: HH NNN (Nos 165, 223). Table 1: [CRS97] HH 7-11 MMS N (Nos 1-3), [CRS97] HH 1-2 MMS N (Nos 1-3), [CRS97] HH 114 MMS N=1, [CRS97] HH 147 MMS N=1, [CRS97] HH 108 MMS N=1.

CDS comments: p. 545: VLA 1, 2 = [RHR93] VLA 1, 2

Simbad objects: 57

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Number of rows : 57
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 NAME W 3 OH HII 02 27 04.1 +61 52 22           ~ 1026 2
2 NAME HH 7-11 MMS 3 smm 03 29 01.964 +31 15 38.04           ~ 64 0
3 NAME HH 7-11 MMS 2 smm 03 29 03.056 +31 15 51.67           ~ 86 0
4 [RAC97] VLA 3 smm 03 29 03.372 +31 16 01.60           ~ 38 0
5 V* V512 Per Or* 03 29 03.7578170808 +31 16 03.947525688           M3.5 386 0
6 NAME HH 7-11 FIR 03 29 03.9 +31 16 06           ~ 351 0
7 HH 6 HH 03 29 11.2 +31 18 34           ~ 65 0
8 NGC 1333 OpC 03 29 11.3 +31 18 36           ~ 1450 1
9 V* HL Tau Or* 04 31 38.5107609312 +18 13 57.859747968   15.89 14.49 14.39   K5 1423 0
10 IRAS 04287+1807 mul 04 31 38.8 +18 13 57           ~ 796 0
11 HH 114 HH 05 17 42.8 +07 15 46           ~ 17 0
12 NAME HH 114 MMS smm 05 18 15.24 +07 12 02.7           ~ 12 0
13 NAME HH 114-115 HH 05 18 17.1 +07 11 01           ~ 7 0
14 2MASX J05181754+0710589 Y*O 05 18 17.549 +07 10 58.96           ~ 24 0
15 HH 240 HH 05 19 40.7 -05 51 44           ~ 30 0
16 NAME HH 240/241 DNe 05 19 48.9 -05 52 05           ~ 111 1
17 HH 243 HH 05 32 27.83 +12 53 14.6   17.0       ~ 117 0
18 V* V801 Ori TT* 05 35 26.8302324384 -06 26 47.614496064     14.901   13.225 M0 85 1
19 2MASS J05352984-0626583 Y*O 05 35 29.8502549712 -06 26 58.334492688         18.18 ~ 101 0
20 HH 34 HH 05 35 31.30 -06 28 43.0     16     ~ 488 2
21 NAME HH 1-2 MMS 3 mm 05 36 18.19 -06 45 45.6           ~ 7 0
22 HOPS 168 Y*O 05 36 18.93 -06 45 22.7           ~ 33 0
23 HH 1 HH 05 36 20.8 -06 45 13           ~ 410 1
24 HH 147 HH 05 36 22.7 -06 44 58           ~ 16 0
25 NAME HH 144 VLA 2 PoC 05 36 22.8 -06 46 09           ~ 29 0
26 NAME HH 1-2 HH 05 36 22.8 -06 46 03           ~ 208 1
27 GBS-VLA J053622.86-064606.6 Y*O 05 36 22.84 -06 46 06.2           ~ 107 0
28 NAME HH 1-2 MMS 1 mm 05 36 22.99 -06 46 09.4           ~ 5 0
29 IRAS 05339-0646 Y*O 05 36 25.1310460128 -06 44 41.842301532     18.160   14.634 K4.5 67 0
30 HH 65 HH 05 40 18.9 -07 25 05           ~ 11 0
31 NAME Reipurth 50 IR IR 05 40.4 -07 26           ~ 9 0
32 HH 212 HH 05 43 51.41 -01 02 53.1           ~ 391 1
33 IRAS 05413-0104 IR 05 43 51.5 -01 02 52           ~ 81 0
34 HGBS J054608.3-001044 Y*O 05 46 08.8 -00 10 47           ~ 92 0
35 NAME NGC 2071 IR SFR 05 47 04.4 +00 21 49           ~ 70 0
36 HH 111 HH 05 51 44.2 +02 48 34           ~ 411 0
37 HH 160 HH 07 03 43.1 -11 33 06           ~ 7 1
38 V* Z CMa Ae* 07 03 43.1599411656 -11 33 06.209065836 10.51 9.99 8.80     B5/8eq+F5/7 578 3
39 Haro 1-7 ** 16 26 58.53 -24 45 35.3           K2:e+M0.5e 102 0
40 BKLT J162716-244710 TT* 16 27 17.0735135784 -24 47 11.155084836   19.8   16.84 15.06 K1 27 0
41 NAME HH 80-81 HH 18 19 06 -20 51.4           ~ 224 0
42 NAME HH 80-81 IRS HII 18 19 11.8 -20 47 35           ~ 148 0
43 NAME HH 106-107 ? 18 29 31.3 +01 18 40           ~ 6 0
44 IRAS 18269+0116 Y*O 18 29 31.9758302760 +01 18 42.616775520           K6.5 39 0
45 HH 108 HH 18 35 36.2 -00 35 09           ~ 19 0
46 HH 109 HH 18 35 39.0 -00 34 20           ~ 10 0
47 IRAS 18331-0035 IR 18 35 42.135 -00 33 18.30           ~ 24 0
48 NAME HH 108 MMS mm 18 35 46.55 -00 32 41.8           ~ 15 0
49 NAME HH 108-109 ? 18 36 12.0 -00 33 16           ~ 5 0
50 [S2009] L723 XMM 8 * 19 17 53.1327617040 +19 12 16.426495764           ~ 38 0
51 HH 223 HH 19 17 57.4 +19 11 53           ~ 10 0
52 LDN 723 DNe 19 18 12 +19 13.6           ~ 155 0
53 HH 119 HH 19 36 51.5 +07 34 10           ~ 23 0
54 IRAS 19345+0727 cor 19 37 00.7 +07 34 08           ~ 89 0
55 HBC 688 Em* 19 42 54.990 +23 24 14.89     15     ~ 40 1
56 HH 165 HH 19 42 55.7 +23 24 20           ~ 6 1
57 NAME HH 28-29 HH ~ ~           ~ 4 0

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