Astrophysical: Surveys

  • Publication
    Constraint on the time variation of the fine-structure constant with the SDSS-III/BOSS DR12 quasar sample
    From the Sloan Digital Sky Survey (SDSS) Data Release 12, which covers the full Baryonic Oscillation Spectroscopic Survey (BOSS) footprint, we investigate the...
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    Control sample for galaxy pairs: Simulations and Observations
    Several attempts have been made in order to isolate the effect of galaxy interactions by comparing galaxy in pairs with isolated galaxies. However, different...
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    Cool White Dwarfs Found in the UKIRT Infrared Deep Sky Survey
    We present the results of a search for cool white dwarfs in the United Kingdom InfraRed Telescope (UKIRT) Infrared Deep Sky Survey (UKIDSS) Large Area Survey...
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    Cool White Dwarfs Identified in the Second Data Release of the UKIRT Infrared Deep Sky Survey
    We have paired the second data release of the Large Area Survey of the UKIRT Infrared Deep Sky Survey with the fifth data release of the Sloan Digital Sky...
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    Core-collapse supernovae in the Dark Energy Survey: luminosity functions and host galaxy demographics
    We present the luminosity functions and host galaxy properties of the Dark Energy Survey (DES) core-collapse supernova (CCSN) sample, consisting of 69 Type II...
  • Publication
    Correlation between 2MASS and DENIS data
    We have cross-correlated 2MASS and DENIS point sources in 17 galactic fields in order to find systematic astrometric or photometric shifts between the surveys...
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    Cross-correlation of SDSS DR7 Quasars and DR10 BOSS Galaxies: The Weak Luminosity Dependence of Quasar Clustering at z ~ 0.5
    We present the measurement of the two-point cross-correlation function (CCF) of 8198 Sloan Digital Sky Survey Data Release 7 quasars and 349,608 Data Release 10...
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    CUYS survey of Ha+NII ELG galaxies (Bongiovanni+, 2005)
    The CUYS is being carried out on the 1-m Schmidt telescope located at the Venezuelan National Astronomical Observatory, Llano del Hato, Merida, Venezuela...
  • Publication
    DAHe white dwarfs from the DESI Survey
    A new class of white dwarfs, dubbed DAHe, that present Zeeman-split Balmer lines in emission has recently emerged. However, the physical origin of these...