Speckle interferometry of Tau Persei

Details Speckle interferometry of Tau Persei Speckle interferometry of Tau Persei

Sep 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981aj.....86.1397m&link_type=abstract

Astronomical Journal, vol. 86, Sept. 1981, p. 1397-1400.

Astronomy and Astrophysics

Astrophysics

10

Astrometry, Binary Stars, Interferometry, Orbital Elements, Speckle Patterns, Stellar Motions, Inclination, Radial Velocity, Stellar Luminosity

Scientific paper

Together with the Colacevich (1941) spectroscopic orbit for the 4.15-year, spectroscopic binary star Tau Persei, six new speckle interferometric observations are used to determine the elements of the apparent orbit. The elements determined are a high inclination, of 95 deg, for the orbit, and a semimajor axis of 0.050 arcsec. Although these values are not consistent with an existing astrometric study of the system, they lead to astrophysical self-consistency among the mass and luminosity parameters. It is speculated that the system may exhibit a partial eclipse at one phase of its orbit.

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