期刊
ASTRONOMICAL JOURNAL
卷 142, 期 1, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0004-6256/142/1/6
关键词
binaries: spectroscopic; instrumentation: spectrographs; techniques: radial velocities
资金
- ARH's NSERC
We present orbital parameters for six double-lined spectroscopic binaries (iota Pegasi, omega Draconis, 12 Bootis, V1143 Cygni, beta Aurigae, and Mizar A) and two double-lined triple star systems (kappa Pegasi and eta Virginis). The orbital fits are based upon high-precision radial velocity (RV) observations made with a dispersed Fourier Transform Spectrograph, or dFTS, a new instrument that combines interferometric and dispersive elements. For some of the double-lined binaries with known inclination angles, the quality of our RV data permits us to determine the masses M-1 and M-2 of the stellar components with relative errors as small as 0.2%.
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