Orbital Parameter of Known Binary, Sequel

Details Orbital Parameter of Known Binary, Sequel Orbital Parameter of Known Binary, Sequel

Jul 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991hst..prop.3886j&link_type=abstract

HST Proposal ID #3886

Astronomy and Astrophysics

Astronomy

Hst Proposal Id #3886

Scientific paper

We propose to use FGS in TRANSFER mode to observe the close known binary ADS11300. According to an orbital analysis incorporating recent HST-FGS results, this pair of 54 orbital period is expected to pass through periastron in 1992.1 +/- 0.6 and should reach a component separation of less than 10 mas. Measurement at this angular separation is not possible by any ground-based technique, and HST observation provides the only opportunity to obtain astrometric data at this critical orbital phase.

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