514 datasets found

Keywords: dwarf stars

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  • Rotational frequency splitting in Sun-like stars

    Asteroseismology offers the prospect of constraining differential rotation in Sun-like stars. Here we have identified six high signal-to-noise main-sequence Sun-like stars in...
  • Rotation periods of 12000 Kepler stars

    We aim to measure the starspot rotation periods of active stars in the Kepler field as a function of spectral type and to extend reliable rotation measurements from F-, G-, and...
  • Chromospheric activity of field stars

    Compilation of S-index measurements available in the literature cross-correlated with the CDS catalog. The S-index is a measure of the strength of the chromospheric emission in...
  • 61 main-sequence and subgiant oscillations

    Solar-like oscillations have been observed by Kepler and CoRoT in several solar-type stars, thereby providing a way to probe the stars using asteroseismology We provide the mode...
  • SDSS WD main-sequence binaries. XII.

    The complexity of the common-envelope phase and of magnetic stellar wind braking currently limits our understanding of close binary evolution. Because of their intrinsically...
  • Abundances in solar analogs

    We derive the abundance of 19 elements in a sample of 64 stars with fundamental parameters very similar to solar, which minimizes the impact of systematic errors in our...
  • Chemical abundances of 32 mildly metal-poor stars

    We present photospheric abundances of the O, Na, Mg, Al, Si, Ca, Sc, Ti, V, Cr, Mn, Ni, and Ba elements for 32 mildly metal-poor stars with [Fe/H]~-0.7. High resolution and high...
  • Galactic disk stars abundances and velocities

    We have performed the detailed analysis of 174 high-resolution spectra of FGK dwarfs obtained with the ELODIE echelle spectrograph at the Observatoire de Haute-Provence....
  • Abundances of late G/K dwarfs in solar neighborhood

    In this investigation, a technique developed by Spinrad and Taylor for obtaining metal abundances of late-type stars, and used by them in an earlier investigation of evolved...
  • Vyssotsky's Catalogues 1950.0

    This catalog includes the results of a complete survey of the McCormick objective prism plates for M dwarf stars. catalog.dat includes identifications, magnitudes, proper...
  • Dwarf K and M stars of small proper motion

    (no description available) Cone search capability for table III/123B/catalog (The original catalogue of 2201 stars) Cone search capability for table III/123B/stkm1 (The catalog...
  • Two long-period transiting exoplanets

    Long-period transiting planets provide the opportunity to better understand the formation and evolution of planetary systems. Their atmospheric properties remain largely...
  • Proxima telluric-corrected ESPRESSO RV

    Ground-based high-resolution spectrographs are key instruments for several astrophysical domains, such as exoplanet studies. Unfortunately, the observed spectra are contaminated...
  • AD Leo RV and stellar activity indices

    A challenge with radial-velocity (RV) data is disentangling the origin of signals either due to a planetary companion or to stellar activity. Obtaining data over a large time...
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