2019ApJ...871...86K

Query : 2019ApJ...871...86K

2019ApJ...871...86K - Astrophys. J., 871, 86-86 (2019/January-3)

ALMA observations of the ρ Ophiuchus B2 region. I. Molecular outflows and their driving sources.

KAMAZAKI T., NAKAMURA F., KAWABE R., HARA C., TAKAKUWA S., HIRANO N., DI FRANCESCO J., FRIESEN R. and TAMURA M.

Abstract (from CDS):

We present the results of ALMA mosaic observations of dust continuum and 12CO (J = 2-1), 13CO (J = 2-1), and C18O (J = 2-1) molecular lines toward the ρ Ophiuchus B2 region. The 1.3 mm dust continuum image made from the combined 12 and 7 m array data reveals not only the dense cores identified by past single-dish observations but also their detailed internal substructures. The 12CO (J = 2-1) images show very complex structures of protostellar outflows. They suggest that the gigantic outflow lobes in Oph B2 are presumably driven at least by two protostars, EL 32 and EL 33. We do not detect clear high-velocity components associated with the Class I protostar SST c2d J162730.9-242733 and the flat-spectrum object SST c2d J162721.8-242727. In addition, we find interesting striations with 15'' (≃2000 au) separations in both the 12CO and 13CO channel maps. The CO striations appear to be roughly parallel to the magnetic field direction, and we speculate that the directions of the striations may follow the magnetic field in the envelope of Oph B2.

Abstract Copyright: © 2019. The American Astronomical Society. All rights reserved.

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

Nomenclature: Table 4: [KNK2019] MMNNa N=24 among (Nos MM4a-MM17c).

Simbad objects: 52

goto Full paper

goto View the references in ADS

Number of rows : 52
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 ESO 514-1 BLL 15 17 41.8134049824 -24 22 19.482207024   15.13 14.00 13.95   ~ 815 3
3 QSO B1622-253 Bla 16 25 46.89164287 -25 27 38.3268734   21.3 20.6 19.60   ~ 381 1
4 NAME rho Oph A Cloud MoC 16 26 26.4 -24 22 33           ~ 312 1
5 HGBS J162627.6-242359 cor 16 26 27.60 -24 23 55.0           ~ 75 0
6 HGBS J162720.1-242712 cor 16 27 20.1 -24 27 09           ~ 13 0
7 WL 6 Y*O 16 27 21.80448 -24 29 53.3616           ~ 116 0
8 BKLT J162721-242728 Y*O 16 27 21.83424 -24 27 27.5868           ~ 24 0
9 [MAN98] B2-MM3 mm 16 27 23.7 -24 28 05           ~ 4 0
10 [KNK2019] MM5a mm 16 27 24.36 -24 27 27.3           ~ 1 0
11 JCMTLSG J162724.2-242750 cor 16 27 24.55 -24 27 40.7           ~ 10 0
12 [KNK2019] MM5b mm 16 27 24.59 -24 27 17.1           ~ 1 0
13 [MAN98] B2-MM5 mm 16 27 24.9 -24 27 26           ~ 6 0
14 [KNK2019] MM6a mm 16 27 24.97 -24 27 04.1           ~ 2 0
15 [KNK2019] MM6c mm 16 27 25.24 -24 26 34.1           ~ 1 0
16 [KNK2019] MM6b mm 16 27 25.28 -24 26 57.1           ~ 2 0
17 [SSG2006] MMS037 cor 16 27 25.5 -24 26 48           ~ 9 0
18 [KNK2019] MM8b mm 16 27 27.58 -24 27 08.7           ~ 2 0
19 [MAN98] B2-MM7 mm 16 27 27.9 -24 27 39           ~ 5 0
20 NAME rho Oph B2 Cloud PoC 16 27 27.9 -24 26 29           ~ 86 1
21 HGBS J162728.1-242712 cor 16 27 28.1 -24 27 11           ~ 25 0
22 Elia 2-32 Y*O 16 27 28.44576 -24 27 21.0348           K6.5 121 1
23 [KNK2019] MM9b mm 16 27 28.69 -24 26 39.9           ~ 2 0
24 [FDS2010] B2-N5 cor 16 27 29.15 -24 27 02.0           ~ 4 0
25 [KNK2019] MM9a mm 16 27 29.19 -24 26 40.9           ~ 1 0
26 [JJK2008] SMM J162730-24264 cor 16 27 29.31 -24 26 36.9           ~ 6 0
27 [KNK2019] MM8a mm 16 27 29.38 -24 27 06.1           ~ 1 0
28 [MAN98] B2-MM9 cor 16 27 29.52 -24 26 34.8           ~ 8 0
29 JCMTLSG J162729.5-242739 Y*O 16 27 29.6 -24 27 37           ~ 14 0
30 [MAN98] B2-MM11 mm 16 27 29.8 -24 25 49           ~ 3 0
31 [KNK2019] MM10a mm 16 27 29.84 -24 27 39.1           ~ 1 0
32 [KNK2019] MM12b mm 16 27 29.85 -24 26 34.1           ~ 1 0
33 Elia 2-33 Y*O 16 27 30.18024 -24 27 43.3656           M2 125 1
34 [KNK2019] MM12a mm 16 27 30.67 -24 26 22.1           ~ 1 0
35 ISO-Oph 150 TT* 16 27 30.91152 -24 27 33.1956           ~ 19 0
36 [KNK2019] MM10b mm 16 27 31.56 -24 27 37.7           ~ 1 0
37 [KNK2019] MM10c mm 16 27 31.74 -24 27 44.9           ~ 1 0
38 [KNK2019] MM14b mm 16 27 31.77 -24 26 34.9           ~ 1 0
39 [KNK2019] MM14c mm 16 27 32.06 -24 26 24.7           ~ 1 0
40 JCMTLSG J162732.6-242703 cor 16 27 32.31 -24 26 55.9           ~ 13 0
41 [KNK2019] MM14a mm 16 27 32.74 -24 26 35.3           ~ 2 0
42 HGBS J162732.9-242630 cor 16 27 32.93 -24 26 30.7           ~ 13 0
43 [YEE2006] 22 cor 16 27 33.40 -24 25 57.3           ~ 6 0
44 [KNK2019] MM17a mm 16 27 34.81 -24 26 19.3           ~ 1 0
45 [MAN98] B2-MM16 cor 16 27 35.04 -24 26 16.8           ~ 9 0
46 [YEE2006] 23 mm 16 27 35.2 -24 26 21           ~ 7 0
47 [KNK2019] MM17b mm 16 27 35.56 -24 26 31.9           ~ 1 0
48 [KNK2019] MM17c mm 16 27 35.77 -24 26 41.5           ~ 1 0
49 NAME Ophiuchus Molecular Cloud SFR 16 28 06 -24 32.5           ~ 3969 1
50 BAX 258.1082-23.3759 ClG 17 12 26.3 -23 21 38           ~ 303 0
51 QSO B1730-130 Bla 17 33 02.70578907 -13 04 49.5482119   18 19.50 18.78 17.39 ~ 1198 1
52 NAME Gould Belt PoG ~ ~           ~ 956 1

To bookmark this query, right click on this link: simbad:objects in 2019ApJ...871...86K and select 'bookmark this link' or equivalent in the popup menu