93 datasets found

Keywords: F stars

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  • Photometric Atlas of Procyon for 314-747 nm

    This atlas contains intensities, expressed in terms of the continuum as 100, in steps of 5 milli Angstroem of the F5 star Procyon. The spectral range is from 3140 to 7469.995...
  • Colors of F and G dwarfs

    Synthetic spectra have been computed for F and G dwarf stars, using a number of values of chemical abundances, Doppler broadening velocity and damping constants. Filter...
  • Geneva-Copenhagen Survey of Solar neighbourhood III

    Ages, chemical compositions, velocity vectors, and Galactic orbits for stars in the solar neighbourhood are fundamental test data for models of Galactic evolution. The...
  • Geneva-Copenhagen Survey of Solar neighbourhood

    (from paper II, 2007) Ages, metallicities, space velocities, and Galactic orbits of stars in the Solar neighbourhood are fundamental observational constraints on models of...
  • Ages, Metallicities, Galactic Orbit of F stars

    Absolute magnitudes, metallicities, effective temperatures, surface gravities, distances, and tangential velocities are calculated for 5498 F stars with homogeneous data on uvby...
  • Atmospheric param. of 169 FGKM stars

    The asteroseismic and planetary studies, like all research related to stars, need precise and accurate stellar atmospheric parameters as input. We aim at deriving the effective...
  • Elemental abundances for 176 stars

    We have performed an abundance analysis for F- and G- dwarfs of the Galactic thick-disc component. A sample of 176 nearby (d<=150pc) thick-disc candidate stars was chosen...
  • Cerro Armazones spectroscopy of F dwarfs

    We present a spectroscopic survey of a sample of F stars that have not yet been searched for planets. The observations of 187 stars obtained with the Bochum Echelle...
  • Mass estimation for FGK stars

    Stellar evolutionary models simulate well binary stars when individual stellar mass and system metallicity are known. The mass can be derived directly from observations only in...
  • Radial metallicity gradient from RAVE DR3

    We investigate radial metallicity gradients for a sample of dwarf stars from the RAdial Velocity Experiment (RAVE) Data Release 3 (DR3, Cat. III/265). We select a total of...
  • F- and G-type stars in solar neighbourhood

    A new metallicity distribution and an age-metallicity relation are presented for 437 nearby F and G turn-off and sub-giant stars selected from radial velocity data of Nidever et...
  • [X/Fe] of Galactic disc F and G dwarfs

    Photospheric abundances are presented for 27 elements from carbon to europium in 181 F and G dwarfs from a differential local thermodynamic equilibrium (LTE) analysis of...
  • Radial velocities of overluminous F stars

    We have conducted a radial-velocity survey of bright (V<9), overluminous, F stars within 80pc. Of the total of 118 stars selected, the radial velocities of 77 have been...
  • F, G and K dwarf stars of the Pleiades

    (no description available)
  • FGK stars magnetic activity in LAMOST-Kepler field

    Monitoring chromospheric and photospheric indexes of magnetic activity can provide valuable information, especially the interaction between different parts of the atmosphere and...
  • Surface rotation & activity for Kepler stars. II.

    Dark magnetic spots crossing the stellar disk lead to quasiperiodic brightness variations, which allow us to constrain stellar surface rotation and photometric activity. The...
  • Radial velocity and light curves of WASP-190

    We report the discovery of WASP-190b, an exoplanet on a 5.37 day orbit around a mildly evolved F6 IV-V star with V=11.7, T_eff_=6400+/-100 K, M_=1.35+/-0.05 M{sun}, and...
  • Masses & radii of 4 VLM stars in EB systems

    Eclipsing binaries (EBs) with one of the companions as very low-mass stars (VLMSs; or M dwarfs) are testbeds to substantiate stellar models and evolutionary theories. Here we...
  • Differential griz photometry of HATS-3

    We report the discovery by the HATSouth survey of HATS-3b, a transiting extrasolar planet orbiting a V=12.4 F dwarf star. HATS-3b has a period of P=3.5479days, mass of...
  • Radial velocity of TOI-201

    We present the confirmation of the eccentric warm giant planet TOI-201b, first identified as a candidate in Transiting Exoplanet Survey Satellite photometry (Sectors 1-8, 10-13,...
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