Measuring the Mass of a Spectroscopic Binary Using Relativity

Details Measuring the Mass of a Spectroscopic Binary Using Relativity Measuring the Mass of a Spectroscopic Binary Using Relativity

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009iau...261.1905z&link_type=abstract

American Astronomical Society, IAU Symposium #261. Relativity in Fundamental Astronomy: Dynamics, Reference Frames, and Data Ana

Astronomy and Astrophysics

Astronomy

Scientific paper

High-precision radial velocity techniques, which enabled the detection of extrasolar planets, are now sensitive to relativistic effects in the data of spectroscopic binaries. We show how these effects can be used to derive the absolute masses of the components of eclipsing single-lined spectroscopic binaries and double-lined spectroscopic binaries from Doppler measurements alone. High-precision stellar spectroscopy can thus substantially increase the number of measured stellar masses, thereby improving the mass-radius and mass-luminosity calibrations.

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