Parallax, orbit, and mass of Ross 614

Details Parallax, orbit, and mass of Ross 614 Parallax, orbit, and mass of Ross 614

Aug 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977aj.....82..656p&link_type=abstract

Astronomical Journal, vol. 82, Aug. 1977, p. 656-661.

Astronomy and Astrophysics

Astronomy

19

Dwarf Stars, Orbit Calculation, Parallax, Stellar Mass, Astronomical Photography, Electrophotometry, Photographic Plates, Stellar Magnitude, Stellar Spectrophotometry, Telescopes

Scientific paper

An orbit for the resolved astrometric binary Ross 614 has been determined from photographs taken in the interval from 1928 to 1975. These data, previous parallaxes, and a Sproul orbit are utilized to obtain masses of 0.13 and 0.07 solar mass for the two stars. Photoelectric photometry and estimates of brightness changes give absolute magnitudes of 13.1 and 16.6 in V, 10.1 and 12.2 in I. The effects of varying the number of reference stars and reduction parameters are explored, and the long-term stability of the telescope employed is discussed.

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