The strange case of theta 1 Orionis

Details The strange case of theta 1 Orionis The strange case of theta 1 Orionis

Apr 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000obs...120..141s&link_type=abstract

The Observatory, Vol. 120, p. 141-149 (2000)

Computer Science

2

Scientific paper

We review the binary properties of the bright Orion Trapezium star theta^1 Ori A and include radial velocities from IUE in a new orbital solution; meanwhile, times of primary minimum are used to determine a new ephemeris. With these revised parameters, we strongly encourage further observations, especially a search for secondary minimum. Probably the system consists of a main sequence early B primary and a cooler pre-main-sequence companion.

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