Visual multiples. VI - Beta 1269, a system containing abnormal stars

Details Visual multiples. VI - Beta 1269, a system containing abnormal stars Visual multiples. VI - Beta 1269, a system containing abnormal stars

Dec 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980pasp...92..796a&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 92, Dec. 1980-Jan. 1981, p. 796-798.

Astronomy and Astrophysics

Astronomy

5

Radial Velocity, Stellar Motions, Stellar Spectra, Stellar Spectrophotometry, Variable Stars, Binary Stars, Companion Stars, Line Spectra, Metals, Orbital Mechanics

Scientific paper

The primary star is reported by Mechler (1974) to be a metal-poor light-variable while the secondary is reported to be normal. Recent measures at the U.S. Naval Observatory tend to confirm the evidence for a common proper motion. Both stars have constant radial velocities but with means that differ by 5.0 km/s; it is not clear whether this difference provides evidence against common space motions. The spectral type of the primary is F0 IV with A3 V metallic lines, while that of the secondary is F1 Vp(G-band strong). Thus both stars are abnormal for reasons not known.

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