Probing AU-scale Structure using Spectro-astrometry

Details Probing AU-scale Structure using Spectro-astrometry Probing AU-scale Structure using Spectro-astrometry

Sep 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004iaus..221..417t&link_type=abstract

Star Formation at High Angular Resolution, International Astronomical Union Symposium 221, held during the XXV General Assembly

Physics

Optics

1

Scientific paper

The circumstellar environment within 10 AU of young stars are of particular interest for star and planet formation. Unfortunately, present imaging facilities such as the Hubble Space Telescope or adaptive optics on 10-m telescopes cannot resolve this region. We have proved that `spectro-astrometry' is a powerful technique for discovering pre-main sequence binaries, determining kinematics of outflows and providing evidence for gaps in circumstellar disks - all down to AU scales. In this paper, we summarise our progress to date.

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