Robert L. Hurt and Mary Barsony 1996 ApJ 460 L45 doi:10.1086/309969
A Cluster of Class 0 Protostars in Serpens: An IRAS HIRES Study
FREERobert L. Hurt1 and Mary Barsony1
Show affiliationsWe present new 12, 25, 60, and 100 μm high-resolution-processed (HIRES-processed) IRAS images of the nearby Serpens star-forming cloud core at FWHM resolutions of ~30''-1'. We use HIRES-processed point-source models of the IRAS emission to derive new flux values and flux upper limits for all the protostellar candidates in the Serpens core. Our fluxes (and flux upper limits) determine the spectral energy distributions necessary to derive the dust temperature, circumstellar mass, bolometric luminosity, and evolutionary status of each protostellar candidate. Remarkably, we find all five sources studied by Hurt, Barsony, & Wootten, FIRS 1, SMM 4, S68N, SMM 3, and SMM 2, to share the defining characteristics of class 0 protostars, the short-lived (a few times 104 yr), earliest observable protostellar stage. We can also set an upper limit of 8 L
on the preoutburst bolometric luminosity of the recently discovered "FU Ori" source in this region.
- Subject headings
circumstellar matter; ISM: jets and outflows; stars: pre-main sequence; techniques: image processing
- Dates
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Issue 1 (1996 March 20)
Received 1995 November 7, accepted for publication 1996 January 4
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A Cluster of Class 0 Protostars in Serpens: An IRAS HIRES Study
Robert L. Hurt and Mary Barsony 1996 ApJ 460 L45
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