367 datasets found

Keywords: apparent magnitude

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  • M dwarf UV flares in GALEX

    We present the preliminary results from implementing a new software tool that enables inspection of time-tagged photon data for the astronomical sources contained within...
  • Robo-AO observed cool subdwarf companions

    Cool subdwarfs are the oldest members of the low-mass stellar population. Mostly present in the galactic halo, subdwarfs are characterized by their low-metallicity. Measuring...
  • Nova CI Aql MMO light curve data

    Pre-outburst and post-outburst light curves and post-outburst eclipse timings are analyzed to measure any period (P) change related to nova CI Aql's outburst of early 2000 and a...
  • Spectroscopic subcomponents in multiple systems

    We propose a methodology for analyzing triple stellar systems that include a visual double star wherein one of the components is a single- or double-lined spectroscopic binary....
  • Distances of white dwarf stars

    The most recent version of the Catalog of Spectroscopically Identified White Dwarfs lists 2249 white dwarf stars. Among these stars are 109 white dwarfs that have either...
  • Unresolved binaries in TESS with speckle imaging

    The Transiting Exoplanet Survey Satellite (TESS) is conducting a two-year wide-field survey searching for transiting exoplanets around nearby bright stars that will be ideal for...
  • Massive binary stars from an HST/FGS survey

    We present the results of an all-sky survey made with the Fine Guidance Sensor on the Hubble Space Telescope to search for angularly resolved binary systems among massive stars....
  • NGC 5846 group: photometry and spectroscopy

    We conduct a photometric and spectroscopic survey of a 10{deg}^2^ region surrounding the nearby NGC 5846 group of galaxies, using the Canada-France-Hawaii and Keck I telescopes...
  • Redshift Survey Compact Groups

    Redshift Survey Compact Groups (RSCGs) are tight knots of N>=3 galaxies selected from the CfA2+SSRS2 redshift survey. The selection is based on physical extent and...
  • RR Lyrae in NGC 6171

    CCD observations have been used to derive precise light curves and Fourier parameters for sixteen RR Lyrae variables in the Oosterhoff type I globular cluster NGC 6171. It is...
  • VI light curves of Galactic Bulge RR Lyrae

    We present the most comprehensive picture ever obtained of the central parts of the Milky Way probed with RR Lyr variable stars. This is a collection of 38257 RR Lyr stars...
  • VI light curves of Galactic LPVs

    The fifteenth part of the OGLE-III Catalog of Variable Stars (OIII-CVS) contains 232406 long-period variables (LPVs) detected in the OGLE-II and OGLE-III fields toward the...
  • VI light curves of Galactic Bulge Cepheids

    The fourteenth part of the OGLE-III Catalog of Variable Stars (OIII-CVS) contains Cepheid variables detected in the OGLE-II and OGLE-III fields toward the Galactic bulge. The...
  • VI light curves of Galactic Bulge RR Lyrae

    The eleventh part of the OGLE-III Catalog of Variable Stars (OIII-CVS) contains 16836 RR Lyr stars detected in the OGLE fields toward the Galactic bulge. The total sample is...
  • OGLE variable stars in NGC 6259

    We present the results of a search for variable stars in the field of NGC6259. Altogether 85 variable stars have been discovered. 36 of them are eclipsing systems. This group...
  • All Sky Automated Survey Catalog

    Results of the first two years of observations using the All Sky Automated Survey prototype camera are presented. More than 140000 stars in 50 Selected Fields covering 300...
  • Stellar variability towards Galactic Bulge

    The Table "stars.dat" contains the catalogue of variable stars discovered and/or observed for the 12 low-extinction fields towards the galactic bulge, with the IAG/USP Meridian...
  • DQ Cephei amplitude variations

    A period analysis of the data obtained in six nights of differential photoelectric photometry of the {delta} Scuti star DQ Cephei (about 42 hours) confirms the pulsation modes...
  • Herbig Ae/Be stars candidates

    We have observed 42 Herbig Ae/Be stars candidates in both hemispheres using the high resolution spectrographs AURELIE and ELODIE at OHP, and CES at ESO. Table 1 present the...
  • CPASJ2 catalogue

    According to the cooperation between Beijing, San Juan and La Plata Astronomical Observatories, the photoelectric astrolabe Mark II(PAII) of the Beijing Astronomical Observatory...
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