The Disk and Wind of HD 104237

Details The Disk and Wind of HD 104237 The Disk and Wind of HD 104237

Jul 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000hst..prop.9241d&link_type=abstract

HST Proposal ID #9241

Physics

Hst Proposal Id #9241

Scientific paper

STIS GTO studies of intermediate-mass stars have revealed circumstellar disks and associated nebulosities in 44% of our sample. The largest-scale nebulosity is seen in those systems with emission in the unidentified infrared bands, which have been interpreted as being associated with C-H stretch and bend modes in small organic grains {sometimes interpreted as polycyclic aromatic hydrocarbons}. We wish to test this hypothesis with coronagraphic observations of the nearby Herbig Ae star, HD 104237 {d=115pc} which shows UIB features in its ISO SWS spectrum. This system is also known to have lyman alpha in emission, and is thus a prime candidate for mapping the spatial extent of the wind and to search for the presence of a collimated outflow similar to that seen in HD 163296. We will follow up on the coronagraphic imaging with a G140M long slit spectrum at Lyman alpha, and a G140L spectrum.

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