Revised spectroscopic orbits of HD 144515 and HD 178428

Details Revised spectroscopic orbits of HD 144515 and HD 178428 Revised spectroscopic orbits of HD 144515 and HD 178428

Sep 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990acaps..10..147l&link_type=abstract

(Acta Astrophysica Sinica, vol. 10, no. 2, 1990, p. 147-153) Chinese Astronomy and Astrophysics (ISSN 0275-1062), vol. 14, Sept.

Astronomy and Astrophysics

Astrophysics

3

Astronomical Spectroscopy, Binary Stars, Radial Velocity, Stellar Orbits, Orbit Calculation, Orbital Elements, Spectrographs

Scientific paper

New radial velocities of the spectroscopic binaries HD 144515 and HD 178428 were obtained using the radical velocity spectrograph of the Dominion Astrophysical Observatiry, Canada. Combining with the data of previous researchers, the period of HD 144515 was determined to be 4.285439 + or - 0.000009 d, and that of HD 178428, 21.95582 + or minus 0.00032 d. For the former, the semiamplitude was improved substantially, and for both, the eccentricity was revised markedly.

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