Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987a%26as...69..397i&link_type=abstract
Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 69, no. 3, June 1987, p. 397-401. In French.
Astronomy and Astrophysics
Astrophysics
9
Eclipsing Binary Stars, Orbital Elements, Radial Velocity, Stellar Mass, Stellar Orbits, Stellar Spectrophotometry, Dwarf Stars, Electrophotometry, Radii
Scientific paper
Spectroscopic and photoelectric radial velocities of the 10th magnitude double-lined eclipsing binary BW Aqr are presented and discussed in conjonction with the recent photometric data by Khaliullin and Kozureva. The orbital elements have been determined from 14 double-lined spectra and 25 accurate photoelectric radial velocity determinations. We derive orbital elements: V0=9.9 km s-1, KA=78.4 km s-1, KB=84.2 km s-1, e=0.178. The combination of these elements with the relative orbit from photometric data leads us to adopt for the system MA=1.48 Msun, MB = 1.38 Msun, RA= 2.08 Rsun , RB = 1.81 Rsun and a = 21.3 Rsun.
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