A Study of the Radial Velocity of V1016 Ori

Details A Study of the Radial Velocity of V1016 Ori A Study of the Radial Velocity of V1016 Ori

May 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998astl...24..296v&link_type=abstract

Astronomy Letters, volume 24, page 296-302 (1998); Pis'ma v Astronomicheskii Zhurnal, Vol. 24, p. 352

Astronomy and Astrophysics

Astronomy

8

Scientific paper

We obtained seven spectrograms of the eclipsing star V1016 Ori with the 6-m telescope at the Special Astrophysical Observatory and with the 2.6-m telescope at the Crimean Astrophysical Observatory. Based on the measured and published radial velocities (a total of 107 measurements), we constructed the radial-velocity curve. The solution of this curve yielded the following refined elements of the spectroscopic orbit: nu = 28.3 +/- 1.0 km s-1, K1 = 32.7 +/- 1.5 km s-1, e = 0.66 +/- 0.03, and omega = 178 +/- 3 deg. No spectral lines of the secondary component were detected. The absolute parameters of the system were refined: M1 = 10.2 +/- 0.5 Msolar, R1 = 3.2 +/- 0.4 Rsolar for the primary star and M2 = 2.55 +/- 0.13 Msolar, R2 = 1.8 +/- 0.5 Rsolar for the secondary star; the radius of the dust shell around the secondary component is R3 = 3.6 +/- 0.2 Rsolar.

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