2004A&A...426..171K

Query : 2004A&A...426..171K

2004A&A...426..171K - Astronomy and Astrophysics, volume 426171-183 (2004/10-4)

An unbiased search for the signatures of protostars in the ρ Ophiuchi A molecular cloud. I. Near-infrared observations.

KHANZADYAN T., GREDEL R., SMITH M.D. and STANKE T.

Abstract (from CDS):

We present an unbiased search for molecular hydrogen emission in the L1688 cloud within the ρ Ophiuchi molecular cloud complex. Our near-infrared survey covers a connected region of extent 35'x35'. We detect several new H2 flows but the total number of detected outflows is low and is consistent with the paucity of Class0 and Class1 sources in the molecular cloud. From the spatial distribution, their collimation and the individual shapes of the bow shocks, we suggest possible candidates for the outflow sources. Most of the candidate driving sources are deeply embedded in dense cores of the molecular cloud. A very young outflow arises from the newly discovered Class 0 source MMS 126. Two major outflows in the NE-SW direction arise from the YLW 15 and YLW 16 Class I sources. Three additional outflows, which both extend over several arcminutes, arise from the Class I sources YLW 31 and YLW 52. Flow directions are generally NE-SW, perpendicular to the elongation directions of the cloud filaments. The apparent extents of molecular flows are related to either the widths of cloud filaments or to the separation between filaments. The estimated jet power needed to continuously drive and excite the detected portions of the shocked H2 outflows lies in the range 0.02-0.2L☉. Given the critical dependence on the environment, however, the total sizes and powers of the outflows may be considerably larger.

Abstract Copyright: ∼

Journal keyword(s): stars: formation - ISM: jets and outflows - ISM: clouds

VizieR on-line data: <Available at CDS (J/A+A/426/171): table2.dat>

Nomenclature: Table 2: [KGS2004] fNN-NN, [KGS2004] fNN-NNa, N=74.

Simbad objects: 104

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Number of rows : 104
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 Taurus Complex SFR 04 41.0 +25 52           ~ 4971 0
2 HH 34 HH 05 35 31.30 -06 28 43.0     16     ~ 493 2
3 GSC 04985-00648 * 14 40 57.9502640472 -00 27 46.147456548   14.04 13.32 13.29   F8 16 0
4 GSPC S273-E * 14 56 52.0 -44 49 15           ~ 15 0
5 NAME Upper Sco Association As* 16 12 -23.4           ~ 1586 1
6 HH 549 HH 16 25 34 -23 34.9           ~ 3 0
7 [KGS2004] f10-01a ? 16 25 57.5 -24 30 07           ~ 2 0
8 [KGS2004] f10-01b IR 16 26 03.0 -24 29 32           ~ 2 0
9 [ZW2009] EGO 6a IR 16 26 12.8 -24 31 12           ~ 2 0
10 SSTYSV J162613.55-243110.5 IR 16 26 13.5 -24 31 10           ~ 3 0
11 HH 418 HH 16 26 13.6 -24 41 00           ~ 6 0
12 [KGS2004] f10-01c ? 16 26 13.6 -24 28 48           ~ 2 0
13 [EDJ2009] 800 Y*? 16 26 14.63 -24 25 07.5           ~ 13 0
14 [KGS2004] f10-01d ? 16 26 14.8 -24 28 39           ~ 2 0
15 Elia 2-20 TT* 16 26 18.8775818016 -24 28 19.695035064           ~ 140 1
16 [KGS2004] f10-01g ? 16 26 20.1 -24 28 20           ~ 1 0
17 GSS 30 Y*O 16 26 21.38160 -24 23 04.0524           ~ 223 1
18 HH 419 HH 16 26 24.5 -24 30 50           ~ 7 0
19 NAME rho Oph A Cloud MoC 16 26 26.4 -24 22 33           ~ 312 1
20 NAME VLA 1623-243 Y*O 16 26 26.42 -24 24 30.0           ~ 429 0
21 [SSG2006] MMS002 smm 16 26 26.50 -24 24 30.9           ~ 241 0
22 [KGS2004] f10-04a ? 16 26 27.7 -24 24 46           ~ 1 0
23 [KGS2004] f10-04b ? 16 26 28.8 -24 24 50           ~ 2 0
24 [KGS2004] f10-04c ? 16 26 30.7 -24 25 12           ~ 2 0
25 [DMW95] H3 PoC 16 26 31.3 -24 25 17           ~ 6 0
26 [GSWC2003] 20b PoC 16 26 31.9 -24 25 20           ~ 4 0
27 [GSWC2003] 20c PoC 16 26 32.5 -24 25 22           ~ 4 0
28 [DMW95] H2 PoC 16 26 33.1 -24 25 26           ~ 6 0
29 [DMW95] H1 PoC 16 26 33.9 -24 25 32           ~ 7 0
30 [GSWC2003] 21a PoC 16 26 35.9 -24 25 30           ~ 4 0
31 [GSWC2003] 21b PoC 16 26 36.8 -24 25 41           ~ 3 0
32 [GSWC2003] 21c PoC 16 26 37.7 -24 25 43           ~ 3 0
33 [KGS2004] f10-04l ? 16 26 38.1 -24 25 44           ~ 2 0
34 [KGS2004] f10-04m IR 16 26 39.1 -24 25 53           ~ 3 0
35 [GY92] 93 TT* 16 26 41.2666088952 -24 40 17.881012092       15.41 13.37 M5 65 0
36 HH 79 HH 16 26 46.5 -24 20 25           ~ 11 0
37 WL 18 TT* 16 26 48.9809680488 -24 38 25.152593208       19.33 17.38 M3.5 77 0
38 HH 673B HH 16 26 51.8 -24 38 37           ~ 3 0
39 WL 21 Y*O 16 26 57.33000 -24 35 38.8032           M6 45 0
40 EM* SR 24 Y*O 16 26 58.53 -24 45 35.3           K2:e+M0.5e 114 0
41 WL 14 Or* 16 26 59.04984 -24 35 56.8788           ~ 53 0
42 WL 16 Y*O 16 27 02.33520 -24 37 27.2316           A0-F3 164 0
43 [KGS2004] f03-01a ? 16 27 03.3 -24 47 03           ~ 3 0
44 [KGS2004] f03-01b ? 16 27 04.9 -24 47 01           ~ 2 0
45 [KGS2004] f03-01c ? 16 27 05.5 -24 46 44           ~ 2 0
46 MHO 2112 EmO 16 27 06.4 -24 44 08           ~ 2 0
47 WL 10 Or* 16 27 09.1062090672 -24 34 08.278196304           K9 79 0
48 Elia 2-29 Y*O 16 27 09.43032 -24 37 18.7716           ~ 296 1
49 HH 711 HH 16 27 10.2 -24 17 43           ~ 7 0
50 WL 9 Y*O 16 27 10.34664 -24 33 22.6692           ~ 23 0
51 WL 11 Or* 16 27 12.13128 -24 34 49.1412           M2 45 0
52 [GY92] 232 Y*? 16 27 13.26240 -24 41 33.7128           ~ 22 0
53 [GY92] 235 Or* 16 27 13.8206486496 -24 43 31.647995436           M3.5 49 0
54 BKLT J162716-244710 TT* 16 27 17.0735135784 -24 47 11.155084836   19.8   16.84 15.06 K1 30 0
55 HH 708 HH 16 27 19.0 -24 52 06           ~ 2 0
56 HH 224N HH 16 27 20.0 -24 47 57           ~ 5 0
57 YLW 13B Y*O 16 27 21.46872 -24 41 43.0692           ~ 96 0
58 WL 6 Y*O 16 27 21.80448 -24 29 53.3616           ~ 116 0
59 HH 224S HH 16 27 22.6 -24 48 54           ~ 5 0
60 WSB 49 TT* 16 27 22.9688005680 -24 48 07.138268784   16.9   15.06 13.31 M4.25 60 0
61 [GSWC2003] 6 PoC 16 27 25.9 -24 28 57           ~ 2 0
62 [KGS2004] f04-05a ? 16 27 26.4 -24 39 58           ~ 2 0
63 YLW 15 Y*O 16 27 26.906 -24 40 50.81           ~ 281 1
64 [KGS2004] f04-05b ? 16 27 27.4 -24 39 48           ~ 2 0
65 [KGS2004] f04-05c ? 16 27 27.7 -24 39 39           ~ 1 0
66 YLW 16 IR 16 27 28 -24 39.5           ~ 19 0
67 YLW 16A Y*O 16 27 28.02744 -24 39 33.5052           K8 205 0
68 [KGS2004] f04-06 IR 16 27 28.1 -24 37 57           ~ 3 0
69 [GSWC2003] 7e PoC 16 27 28.4 -24 40 30           ~ 2 0
70 [K2003d] rho Oph C3 PoC 16 27 31.4 -24 39 35           ~ 1 0
71 HH 674 HH 16 27 31.8 -24 38 35           ~ 6 0
72 [GSWC2003] 7c PoC 16 27 35.7 -24 38 13           ~ 2 0
73 [K2003d] rho Oph C8 PoC 16 27 36.6 -24 37 58           ~ 2 0
74 IRAS 16245-2423 TT* 16 27 37.1906433768 -24 30 35.025246828       16.66 14.67 B5-F2 376 0
75 [KGS2004] f04-05h ? 16 27 37.4 -24 37 48           ~ 2 0
76 YLW 47 TT* 16 27 38.3206405584 -24 36 58.594880844       17.69 15.52 M0 104 0
77 SSTYSV J162739.60-244150.3 IR 16 27 39.5 -24 41 50           ~ 4 0
78 [GSWC2003] 7a PoC 16 27 40.1 -24 38 09           ~ 3 0
79 [GSWC2003] 7b PoC 16 27 40.3 -24 37 57           ~ 3 0
80 [K2003d] rho Oph D1 PoC 16 27 43.0 -24 31 57           ~ 5 0
81 HH 416 HH 16 27 43.261 -24 49 17.89           ~ 5 0
82 [K2003d] rho Oph E1 PoC 16 27 45.5 -24 45 02           ~ 3 0
83 [GY92] 344 Y*O 16 27 45.78672 -24 44 53.8620           M6 31 0
84 [KGS2004] f05-03 IR 16 27 50.4 -24 40 07           ~ 3 0
85 [KGS2004] f08-01b ? 16 27 51.2 -24 31 46           ~ 3 0
86 [KGS2004] f08-01c ? 16 27 51.5 -24 31 50           ~ 3 0
87 YLW 52 Y*O 16 27 51.80472 -24 31 45.5304           ~ 71 0
88 [KGS2004] f08-01d ? 16 27 52.4 -24 31 45           ~ 2 0
89 [K2003d] rho Oph D2 PoC 16 27 58.2 -24 31 26           ~ 3 0
90 [KGS2004] f08-01f ? 16 27 59.2 -24 31 32           ~ 3 0
91 HH 550 HH 16 27 59.3 -25 27 54           ~ 4 0
92 HH 552 HH 16 27 59.4 -24 57 50           ~ 3 0
93 HH 709 HH 16 28 02.9 -24 53 01           ~ 3 0
94 [K2003d] rho Oph D3 PoC 16 28 03.8 -24 30 54           ~ 4 0
95 [KGS2004] f08-01h IR 16 28 05.2 -24 30 39           ~ 4 0
96 NAME Ophiuchus Molecular Cloud SFR 16 28 06 -24 32.5           ~ 3969 1
97 HH 551 HH 16 28 17.7 -25 32 37           ~ 4 0
98 HH 420b HH 16 28 20.4 -24 34 25           ~ 3 0
99 [SSG2006] MMS126 Y*O 16 28 21.61 -24 36 23.4           ~ 38 0
100 HH 417 HH 16 28 26.1 -24 28 01           ~ 5 0
101 HH 420 HH 16 28 38.3 -24 37 09           ~ 6 0
102 GSPC S279-F * 17 48 22.7 -45 25 45           ~ 29 0
103 GSPC S 71-D * 18 28 09.1 -69 26 03           ~ 9 0
104 GSPC S234-E * 20 31 20.5 -49 38 57           ~ 17 0

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