The orbit of the classical Cepheid AW Per

Details The orbit of the classical Cepheid AW Per The orbit of the classical Cepheid AW Per

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989aj.....97.1153w&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 97, April 1989, p. 1153-1158.

Astronomy and Astrophysics

Astrophysics

14

Cepheid Variables, Companion Stars, Orbital Elements, Stellar Orbits, Radial Velocity, Spatial Resolution, Stellar Mass, Triple Stars

Scientific paper

Observations obtained at the Dominion Astrophysical Observatory are used to derive a spectroscopic orbit for AW Per. Orbital elements calculated include a period of 13,100 + or - 1000 days and a mass function for the orbits of 1.17 + or - 0.30 solar masses. The present orbit is shown to be consistent with the phase residuals in the O-C diagram found by Evans (1983) and Szabados (1980).

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