The Disks around Young Stellar Objects

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

Jul 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996hst..prop.6855t&link_type=abstract

HST Proposal ID #6855

Physics

Hst Proposal Id #6855 Interstellar Medium

Scientific paper

Circumstellar material has been detected at 1.3 mm around about 50% of the young {T<10^6 yr} stellar objects in the Taurus-Auriga molecular cloud. The observations permit an estimate of the material's spatial extent, mass and temperature, which are usually of sizes compatible with estimates of the conditions in the nebula which surrounded our sun prior to and during our planetary system formation {M of order 0.1 solar, T of order 100- 200 degrees and R of order 10 AU.}. We propose to resolve the largest disks in scattered visible radiation with WFPC2. This will allow us to determine physical properties of the solid material such as its albedo, particle sizes, and spatial distribution. We will also observe associated jets and HH objects.

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