926 datasets found

Keywords: effective temperature

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  • TESS-HERMES Survey Data Release 1 catalog

    The Transiting Exoplanet Survey Satellite (TESS) will provide high-precision time series photometry for millions of stars with at least a half-hour cadence. Of particular...
  • New white dwarf and subdwarf stars in SDSS DR12

    We report the discovery of 6576 new spectroscopically confirmed white dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 12. We obtain Teff, logg and mass for...
  • Teff against colours calibrations

    We present empirical metallicity-dependent calibrations of effective temperature against colours for dwarfs of luminosity classes IV and V and for giants of luminosity classes...
  • Bayesian statistics for massive stars

    Spectral analysis is a powerful tool to investigate stellar properties and it has been widely used for decades now. However, the methods considered to perform this kind of...
  • Lithium abundance of solar-like stars

    We report on the determination of the lithium abundance [A(Li)] of 52 solar-like stars. For 41 objects the A(Li) here presented corresponds to the first measurement. We have...
  • Temperatures of Kepler eclipsing binaries

    We have combined the Kepler Eclipsing Binary Catalogue with information from the HES (Everett et al., 2012PASP..124..316E), KIS (Greiss et al, 2012AJ....144...24G, Cat....
  • Properties of KOI host stars

    We report rotation periods, variability characteristics, gyrochronological ages for ~950 of the Kepler Object of Interest host stars. We find a wide dispersion in the amplitude...
  • Chromospheric Mg II h+k flux of evolved stars

    Of a total of 177 cool G, K and M giants and supergiants, we measured the MgII h+k line emission of extended chromospheres in high-resolution (LWR) International Ultraviolet...
  • Stellar parameters and extinction

    Astrometric surveys provide the opportunity to measure the absolute magnitudes of large numbers of stars, but only if the individual line-of-sight extinctions are known....
  • Cool stars in galactic clusters

    We have investigated the relevant trend of the bolometric correction (BC) at the cool-temperature regime of red giant stars and its possible dependence on stellar metallicity....
  • Stellar atmospheric parameters in MILES library

    We present a homogeneous set of stellar atmospheric parameters (Teff, logg, [Fe/H]) for MILES, a new spectral stellar library covering the range {lambda}{lambda}3525-7500{AA} at...
  • High precision effective temperatures of giants

    The spectral lines of high and low excitation potentials respond differently to the change in effective temperature (Teff). Therefore, the ratio of their depths (or equivalent...
  • Distances and physical parameters of PNe

    The distances and parameters of the central stars and the optical depth of envelopes in the Lyman limits of neutral hydrogen and neutral helium were determined in a...
  • Rotational velocities for LAMOST DR9 stars

    In Data Release 9 of LAMOST, we present measurements of vsini for a total of 121698 stars measured using the Medium Resolution Spectrograph (MRS) and 80108 stars using the Low...
  • BANYAN. VII. Candidate YMG members from BASS

    We present the results of a near-infrared (NIR) spectroscopic follow-up survey of 182 M4-L7 low-mass stars and brown dwarfs (BDs) from the BANYAN All-Sky Survey (BASS) for...
  • Census of nearby white dwarfs from SUPERBLINK

    We present a detailed description of the physical properties of our current census of white dwarfs within 40pc of the Sun, based on an exhaustive spectroscopic survey of...
  • Abundances in stars of Milky Way dwarf satellites

    We present a catalog of Fe, Mg, Si, Ca, and Ti abundances for 2961 stars in eight dwarf satellite galaxies of the Milky Way (MW): Sculptor, Fornax, Leo I, Sextans, Leo II, Canes...
  • WMAP 3 Year Temperature Analysis

    We present new full-sky temperature maps in five frequency bands from 23 to 94GHz, based on data from the first 3 years of the WMAP sky survey. The new maps are consistent with...
  • 1-1.4 micron spectral atlas of stars

    We present a catalog of J-band (1.08 to 1.35{mu}m) stellar spectra at low resolution (R~400). The targets consist of 105 stars ranging in spectral type from O9.5 to M7 and...
  • B-type stars abundances from LAMOST DR5 LRS sp.

    We present detailed criteria for the classification of subtypes of B-type supergiants and apply them to 97 supergiants chosen manually from the LAMOST DR5 data set. We obtained...
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