1,385 datasets found

Keywords: quasars

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  • Astrometrically-selected QSO candidates

    Here we explore the efficiency and fidelity of a purely astrometric selection of quasars as point sources with zero proper motions in the Gaia data release 2 (DR2). We have...

  • Radio continuum spectra of GPS galaxies

    Recent studies have shown that a remarkable share of quasars classified in the literature as gigahertz-peaked spectrum (GPS) sources and high frequency peakers (HFPs) are...

  • Quasar and radio galaxies flux densities

    The tables described below contain the data used in the analysis. The data have been taken from various sources in the literature. The references to the data can be found in the...

  • Jet-disk symbiosis II

    We investigate the correlation between the accretion disk (UV) luminosity and the radio core emission of a quasar sample, containing all PG quasars, also deriving empirical...

  • A search for faint blue stars.

    Continuing the survey for faint blue stars at high galactic latitudes of Haro and Luyten (1962, Cat. , this search was made, following the Tonantzintla three image method, with...
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