Is the Chiron Occultation Star, CH02, a Double?

Details Is the Chiron Occultation Star, CH02, a Double? Is the Chiron Occultation Star, CH02, a Double?

Jul 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995hst..prop.6258b&link_type=abstract

HST Proposal ID #6258

Physics

Hst Proposal Id #6258 Cool Stars

Scientific paper

We observed an occultation of the star Ch02 by Chiron on 1993 November 7 from five locations, but the light curves obtained have defied explanation so far (see IAUC 5898). What we were expecting to see was an occultation by Chiron's nucleus--a sharp drop of the stellar flux to zero that would last a few seconds before abruptly returning to full scale. However, the observed occultation was only 75% of the total starlight. So, either the star is a close double, or Chiron's nucleus has a bizarre structure. The double-star hypothesis will be tested with FGS observations.

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