Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976apj...209..497f&link_type=abstract
Astrophysical Journal, vol. 209, Oct. 15, 1976, pt. 1, p. 497-499, 501, 502.
Astronomy and Astrophysics
Astrophysics
5
Astrometry, Astronomical Photography, Binary Stars, Subdwarf Stars, Abundance, Photographic Plates, Stellar Luminosity
Scientific paper
Photographic observations of the Population II subdwarf astrometric binary Mu Cas are described which almost resolve the components and permit an estimate of their magnitudes and separation. Red- and blue-light photographs of the system were taken during an observing period when the component separation was maximum. The separation of the two components is estimated to be about 1.5 arcsec, position angles of about 194 and 201 deg are determined for the two years of the observing period, and the apparent magnitude of the faint companion is found to be approximately 10.
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