2009ApJ...705.1730C

Query : 2009ApJ...705.1730C

2009ApJ...705.1730C - Astrophys. J., 705, 1730-1734 (2009/November-2)

Multiplicity of the protostar Serpens SMM 1 revealed by millimeter imaging.

CHOI M.

Abstract (from CDS):

The Serpens SMM 1 region was observed in the 6.9 mm continuum with an angular resolution of about 0".6. Two sources were found to have steep positive spectra suggesting emission from dust. The stronger one, SMM 1a, is the driving source of the bipolar jet previously known, and the mass of the dense molecular gas traced by the millimeter continuum is about 8 M☉. The newly found source, SMM 1b, positionally coincides with the brightest mid-IR source in this region, which implies that SMM 1b is yet another young stellar object. SMM 1b seems to be less deeply embedded than SMM 1a. SMM 1 is probably a protobinary system with a projected separation of 500 AU.

Abstract Copyright: ∼

Journal keyword(s): ISM: individual: Serpens SMM 1 - ISM: structure - stars: formation

Nomenclature: Table 1: [C2009b] N (Nos 1-3), NAME Serpens SMM 1a (Nos 1a-1b).

Simbad objects: 15

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Number of rows : 15
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 [JCC87] IRAS 4A Y*O 03 29 10.49 +31 13 30.8           ~ 715 1
2 [JCC87] IRAS 4 FIR 03 29 10.9 +31 13 26           ~ 478 0
3 [JCC87] IRAS 4B Y*O 03 29 12.058 +31 13 02.05           ~ 600 0
4 ICRF J041045.6+765645 AGN 04 10 45.61079426 +76 56 45.3130641   21 22.0 21.200   ~ 158 1
5 3C 286 Sy1 13 31 08.2883506368 +30 30 32.960091564   17.51 17.25     ~ 4341 2
6 IRAS 16293-2422 cor 16 32 22.56 -24 28 31.8           ~ 1252 1
7 NAME HH 80-81 HH 18 19 06 -20 51.4           ~ 224 0
8 2MASS J18191220-2047297 Y*O 18 19 12.21 -20 47 29.7           B1 133 0
9 NAME Serpens Cloud SFR 18 29 49 +01 14.8           ~ 1100 2
10 GCNM 23 Y*O 18 29 49.63 +01 15 21.9           ~ 273 2
11 [CRM93] Knot E PoC 18 29 49.63 +01 15 22.3           ~ 3 0
12 NAME Serpens SMM 1b mm 18 29 49.69 +01 15 21.2           ~ 10 0
13 NAME Serpens SMM 1a mm 18 29 49.80 +01 15 20.6           ~ 18 0
14 [ETC2005] 8 Rad 18 29 51.04 +01 15 33.8           ~ 4 0
15 NVSS J185146+003532 Rad 18 51 46.72295 +00 35 32.3649           ~ 84 1

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