7 datasets found

Keywords: spectroscopic binary stars

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  • Radial velocities in M67. I. 1278 candidate members

    We present results from 13776 radial-velocity (RV) measurements of 1278 candidate members of the old (4Gyr) open cluster M67 (NGC 2682). The measurements are the results of a...
  • Dormant 33 solar-masses black hole

    We announce the serendipitous discovery of a nearby (590pc) binary system composed of an old very metal-poor giant star orbiting a black hole with an estimated mass of...
  • Very metal-poor stars with LAMOST & Subaru. I.

    The chemical abundances of very metal-poor stars provide important constraints on the nucleosynthesis of the first generation of stars and early chemical evolution of the...
  • SB2s in LAMOST-MRS

    We use an updated method for the detection of double-lined spectroscopic binaries (SB2s) using vsini values from spectral fits. The method is applied to all spectra from Large...
  • Rot. distributions from TESS-APOGEE-Kepler-Gaia

    Stellar rotation is a complex function of mass, metallicity, and age and can be altered by binarity. To understand the importance of these parameters in main-sequence stars, we...
  • SB9: 9th Catalogue of Spectroscopic Binary Orbits

    The Ninth Catalogue of Spectroscopic Binary Orbits continues the series of compilations of spectroscopic orbits carried out over the past 35 years by Batten and collaborators...
  • SB9 orbits with HERMES/Mercator RVs

    The Gaia mission is delivering a large number of astrometric orbits for binary stars. By combining these with spectroscopic orbits for systems with two observable spectra (SB2),...
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