SIMBAD references

2007AJ....134..906G - Astron. J., 134, 906-911 (2007/September-0)

Very large array observations of candidate high-mass protostellar objects at 7 millimeters.

GARAY G., RODRIGUEZ L.F. and DE GREGORIO-MONSALVO I.

Abstract (from CDS):

We present radio-continuum observations at 7 mm made using the Very Large Array toward three massive star-forming regions thought to be in very early stages of evolution, selected from the 2002 sample of Sridharan et al. Emission was detected toward all three sources (IRAS 18470-0044, IRAS 19217+1651, and IRAS 23151+5912). We find that in all cases the 7 mm emission corresponds to thermal emission from ionized gas. The regions of ionized gas associated with IRAS 19217+1651 and IRAS 23151+5912 are hypercompact, with diameters of 0.009 and 0.0006 pc and emission measures of 7.0x108 and 2.3x109 pc/cm6, respectively.

Abstract Copyright: ∼

Journal keyword(s): ISM: H II Regions - Stars: Early-Type - Stars: Formation

Nomenclature: Tables 2, 3, Figs 1, 2: [GRD2007] HHMMm+DDMMA N=5.

CDS comments: Calibrator J1851+005 not identified (could be VCS2 J1851+0035?)

Simbad objects: 15

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