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2012MNRAS.423.2425P - Mon. Not. R. Astron. Soc., 423, 2425-2435 (2012/July-1)
The young stellar cluster [DBS2003] 157 associated with the H II region GAL 331.31-00.34.
PINHEIRO M.C., ABRAHAM Z., COPETTI M.V.F., ORTIZ R., FALCETA-GONCALVES D.A. and ROMAN-LOPES A.
Abstract (from CDS):
The GLIMPSE counterpart of IRAS 16085-5138, which presents IRAS colour indices compatible with an ultracompact H II region, has been identified. The analysis of its spectral energy distribution between 2 and {img}m revealed that this source shows a spectral index α= 3.6 between 2 and {img}m, which is typical of a YSO immersed in a protostellar envelope. Lower limits to the bolometric luminosity and the mass of the embedded protostar have been estimated as L= 7.7 {x} 103 L☉ and M= 10 M☉, respectively, which correspond to a B0–B1 V zero-age main sequence star.
Abstract Copyright: 2012 The Authors Monthly Notices of the Royal Astronomical Society2012 RAS
Journal keyword(s): stars: early-type - stars: pre-main-sequence - H {sc ii} regions - Herbig–Haro objects
Nomenclature: Table A1: [PAC2012] IRS NNN N=91 among (Nos 3-533). Table 4: [PAC2012] CE NN (Nos 1-11).
Simbad objects: 105
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