/ftp/cats/aliases/P/PCB2011



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J/ApJS/194/43   YSOs candidates and knots in Corona Australis  (Peterson+, 2011)
The following files can be converted to FITS (extension .fit or fit.gz)
	table4.dat table5.dat table6.dat table7.dat table11.dat table12.dat
	refs.dat notes.dat
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Beginning of ReadMe : J/ApJS/194/43 YSOs candidates and knots in CrA cloud (Peterson+, 2011) ================================================================================ The Spitzer survey of interstellar clouds in the Gould Belt. III. A multi-wavelength view of Corona Australis. Peterson D.E., Caratti o Garatti A., Bourke T.L., Forbrich J., Gutermuth R.A., Jorgensen J.K., Allen L.E., Patten B.M., Dunham M.M., Harvey P.M., Merin B., Chapman N.L., Cieza L.A., Huard T.L., Knez C., Prager B., Evans N.J. <Astrophys. J. Suppl. Ser., 194, 43 (2011)> =2011ApJS..194...43P ================================================================================ ADC_Keywords: YSOs ; X-ray sources ; Photometry, infrared ; Surveys ; Interstellar medium ; Interferometry ; Proper motions Keywords: infrared: general - ISM: clouds - ISM: individual objects (Corona Australis) - ISM: jets and outflows - stars: formation - stars: pre-main sequence Abstract: We present Spitzer Space Telescope IRAC and MIPS observations of a 0.85deg^2^ field including the Corona Australis (CrA) star-forming region. At a distance of 130pc, CrA is one of the closest regions known to be actively forming stars, particularly within its embedded association, the Coronet. Using the Spitzer data, we identify 51 young stellar objects (YSOs) in CrA which include sources in the well-studied Coronet cluster as well as sources distributed throughout the molecular cloud. Twelve of the YSOs discussed are new candidates, one of which is located in the Coronet. Known YSOs retrieved from the literature are also added to the list, and a total of 116 candidate YSOs in CrA are compiled. A clustering analysis was also performed, finding that the main cluster core, consisting of 68 members, is elongated (having an aspect ratio of 2.36), with a circular radius of 0.59pc and mean surface density of 150pc^-2^. In addition, we analyze outflows and jets in CrA by means of new CO and H2 data. We present 1.3mm interferometric continuum observations made with the Submillimeter Array (SMA) covering R CrA, IRS 5, IRS 7, and IRAS 18595-3712 (IRAS 32). Description: Corona Australis was observed with the Spitzer Infrared Array Camera (IRAC) at 3.6, 4.5, 5.8, and 8.0um and the Multiband Imaging Photometer for Spitzer (MIPS) at 24, 70, and 160um as part of two guaranteed time observation (GTO) programs (PID 6 (2004 Apr 20), 30784 (2006 Sep 25; 2007 May 29-30); PI: Fazio) as well as the Gould Belt Legacy Survey (PID 30574 (2008 May 10 & Oct 23); PI: Allen). The regions around the previously identified YSOs IRS 5, IRS 7, and IRAS 32 (IRAS 18595-3712) were observed with the SMA (Submillimeter Array) in the dust continuum near 225GHz ( 1.3mm). Observations of the IRS 7 region were made on 2006 August 20 (program 2006-03-S046), while IRAS 32 and IRS 5 were observed on 2008 June 10 and 14 (program 2008A-S074). As a complement to the Spitzer and SMA data, we make use of multi-epoch H2 (2.12um) maps to detect jets and outflows in the CrA star-forming region to study their proper motions and identify the exciting sources.