2007A&A...471..573Y


Query : 2007A&A...471..573Y

2007A&A...471..573Y - Astronomy and Astrophysics, volume 471573-578 (2007/8-4)

A new young stellar cluster embedded in a molecular cloud in the far outer Galaxy.

YUN J.L., LOPEZ-SEPULCRE A. and TORRELLES J.M.

Abstract (from CDS):

We report the discovery of a new young stellar cluster and molecular cloud located in the far outer Galaxy, seen towards IRAS 06361-0142, and we characterise their properties. Near-infrared images obtained with VLT/ISAAC through JHKs filters, millimetre line observations of CO(1-0) obtained with SEST, and VLA 6cm continuum maps obtained from archive data. The cloud and cluster are located at a distance of 7kpc and a Galactocentric distance of 15kpc, well in the far outer Galaxy. Morphologically, IRAS 06361-0142 appears as a cluster of several tens of stars surrounded by a nearly spherical nebular cavity centred at the position of the IRAS source. The cluster appears composed of low and intermediate-mass, young reddened stars with a large fraction having cleared the inner regions of their circumstellar discs responsible for (H-Ks) colour excess. The observations are compatible with a 4Myr cluster with variable spatial extinction between Av=6 and Av=13.

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Journal keyword(s): stars: formation - ISM: clouds - stars: pre-main sequence - ISM: dust, extinction - infrared: stars

VizieR on-line data: <Available at CDS (J/A+A/471/573): table1.dat>

Nomenclature: Table 1: [YLT2007] JHHMMSS.ss+DDMMSS.s N=34.

Status at CDS : All or part of tables of objects could be ingested in SIMBAD with priority 2.

Simbad objects: 7

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Number of rows : 7
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 SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
2 LHA 115-N 90 HII 01 29 30.15 -73 33 10.5           ~ 69 2
3 ICRF J052109.8+163822 Sy1 05 21 09.88596258 +16 38 22.0515459   19.37 18.84 18.480   ~ 910 1
4 NAME Rosette Nebula HII 06 32 26.76 +04 47 37.1           ~ 522 1
5 2MASX J06383916-0144497 Cl* 06 38 39.170 -01 44 49.76           ~ 6 0
6 QSO B0723-007 BLL 07 25 50.63991258 -00 54 56.5430511   17.39 16.57 15.82   ~ 284 1
7 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0

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