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- W2055444370 abstract "view Abstract Citations (17) References (21) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Binary Star Orbits From Speckle Interferometry. IV. The Old Disk Population Star HR 1071 McAlister, Harold A. ; Hartkopf, William I. ; Mason, Brian D. Abstract HR 1071 (F7V, V = +6.36) is an old disk population star of low rotational velocity, moderately low metallicity, and extremely low Li abundance. The star was not recognized as being a binary system until its discovery as such from speckle observations obtained in late 1985. Rapid orbital motion has now permitted us to make a preliminary orbit determination from which we find an orbital period of 13.8 yr. Combining the elements of the apparent orbit with an estimation of the distance to the system and with a qualitative determination of the magnitude difference, we show that the system is a likely candidate for detection as a double-lined spectroscopic binary. This provides an excellent opportunity to directly determine masses and luminosities for the components of this intersting system. Finally, we discuss the implications of the duplicity of HR 1071 and other stars upon lithium abundance. Publication: The Astronomical Journal Pub Date: November 1992 DOI: 10.1086/116371 Bibcode: 1992AJ....104.1961M Keywords: Binary Stars; Metallicity; Speckle Interferometry; Stellar Orbits; Abundance; Angular Velocity; Stellar Magnitude; Astrophysics; BINARIES: SPECTROSCOPIC; STARS: POPULATION II full text sources ADS | data products SIMBAD (63) Related Materials (11) Part 1: 1988AJ.....96.1431M Part 3: 1993AJ....106.2072G Part 4: 1995AJ....110..366M Part 5: 1995AJ....109..332M Part 6: 1996AJ....111..370H Part 7: 1996AJ....112..276M Part 8: 1997AJ....114.1607M Part 9: 1997AJ....114..808M Part 10: 1999ASPC..174...41M Part 11: 1999AJ....117.1023M Part 12: 2002AJ....123.1023S" @default.
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- W2055444370 date "1992-11-01" @default.
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- W2055444370 title "Binary star orbits from speckle interferometry. IV - The old disk population star HR 1071" @default.
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