Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998atsir1557...19i&link_type=abstract
Astronomicheskij Tsirkulyar, no. 1557
Astronomy and Astrophysics
Astronomy
Scientific paper
HD 187399 is a spectral binary, containing a massive invisible component. Twelve spectrograms of HD 187399, obtained on the 6-meter telescope during 1982--1983, are analyzed. Radial velocities are measured for spectral lines of different elements. Balmer lines of hydrogen have a complex structure: they consist of absorption components of the B9 star and P Cyg-type profiles. As a whole, radial velocities, obtained from HeI, SiII, and MgII lines, follow the orbital curve derived by Merrill (1949).
Ivanova Nataliya L.
Shkhagosheva Z. U.
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