The Disks around Young Stellar Objects

Details The Disks around Young Stellar Objects The Disks around Young Stellar Objects

Jul 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995hst..prop.6223t&link_type=abstract

HST Proposal ID #6223

Physics

Hst Proposal Id #6223 Interstellar Medium

Scientific paper

Circumstellar material has been detected at 1.3 mm around about 50% of theyoung (T<10^6 yr) stellar objects in the Taurus-Auriga molecular cloud. Theobservations permit an estimate of the material's spatial extent, mass andtemperature, which are usually of sizes compatible with estimates of theconditions in the nebula which surrounded our sun prior to and during ourplanetary system formation (M of order 0.1 solar, T of order 100- 200 degreesand R of order 10 AU.). We propose to resolve the largest disks in scatteredvisible radiation with WFPC2. This will allow us to determine physicalproperties of the solid material such as its albedo, particle sizes, andspatial distribution. We will also observe associated jets and HH objects.

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