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2006MNRAS.368.1223H - Mon. Not. R. Astron. Soc., 368, 1223-1268 (2006/May-3)
Millimetre continuum observations of southern massive star formation regions - II. SCUBA observations of cold cores and the dust grain emissivity index (β).
HILL T., THOMPSON M.A., BURTON M.G., WALSH A.J., MINIER V., CUNNINGHAM M.R. and PIERCE-PRICE D.
Abstract (from CDS):
In total, we have identified 212 cores in this submillimetre survey, including 106 previously known from the SIMBA survey. Of the remaining 106 sources, 53 result from resolving a SIMBA source into multiple submillimetre components, whilst the other 53 sources are submillimetre cores, not seen in the SIMBA. Additionally, we have identified two further mm-only sources in the SIMBA images. Of the total 405 sources identified in the SIMBA survey, 255 are only seen at millimetre wavelengths.
We concatenate the results from four (sub)millimetre continuum surveys of massive star formation, together with the Galactic plane map of Pierce-Price et al. in order to determine the dust grain emissivity index β for each of the sources in the SIMBA source list. We examine the value of β with respect to temperature, as well as for the source classes identified in the SIMBA survey, for variation of this index. Our results indicate that β is typically 2, which is consistent with previous determinations in the literature, but for a considerably larger sample than previous work.
Abstract Copyright: 2006 The Authors. Journal compilation © 2006 RAS
Journal keyword(s): masers - stars: formation - stars: fundamental parameters - dust, extinction - radio continuum: ISM
VizieR on-line data: <Available at CDS (J/MNRAS/368/1223): table3.dat table4.dat>
Nomenclature: Table 3: [HTB2006] GLLL.ll+BB.bb, [HTB2006] GLLL.lll+BB.bbb, N=212. Table 4: [HBM2005] GLLL.lll+BB.bbb N=2 added.
Status at CDS : All or part of tables of objects could be ingested in SIMBAD with priority 2.
Simbad objects: 183
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