The Dusty Environments of Protostars

Details The Dusty Environments of Protostars The Dusty Environments of Protostars

Dec 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997hst..prop.7413h&link_type=abstract

HST Proposal ID #7413

Physics

Hst Proposal Id #7413 Young Stars And Circumstellar Material

Scientific paper

We propose to use NICMOS to study the complex dust distributions in the inner envelopes of protostars, sorting out the individual effects of rotation, outflows, and toroidal collapse. Our goals are: {1} to detect envelope holes produced by outflows, determining the effects of mass ejection on protostellar collapse, and testing theories of mass loss in early evolution; {2} to look for density gradients in infalling envelopes produced by non-spherical initial stucture, to help distinguish flattened collapsing structures from rotationally-supported disks; and {3} to attempt to detect forming disks directly. Our observations will address physical conditions in protostellar envelopes and provide deeper insight into star and protoplanetary disk formation.

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