1,717 datasets found

Keywords: Multiple stars

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  • Finding List of Interacting Binaries, 5th ed.

    This catalog is abstracted from the Card Catalog maintained at the University of Florida containing information on all published, and to the extent available, unpublished work...
  • Chromospherically Active Binaries

    The catalog contains 206 spectroscopic binary systems with at least one late-type component that shows Ca II H and K emission in its spectrum. These systems include the...
  • Near-IR spectroscopy of low-mass binaries and brown dwarfs

    The mass of a star at formation determines its subsequent evolution and demise. Low-mass stars are the most common products of star formation and their long main-sequence...
  • Chromospherically Active Binaries. Third version

    Chromospherically Active Binaries (CAB) catalogue have been revised and updated. With 203 new identifications, the number of CAB stars is increased to 409. Catalogue is...
  • Orbits of 451 wide visual double stars

    Based on positional observations, we have determined the orbits of 130 visual double stars for the first time and improved the orbits of 321 stars. The histogram of...
  • Binary systems among nearby dwarfs searching

    Our goal is to find previously unknown binary systems among low-mass dwarfs in the solar neighborhood and to test the search technique. The basic ideas are to reveal the images...
  • Pulkovo visual double stars photographic obs.

    We present the results of determining the relative positions of the 359 pairs of stars. More then six thousands of plates had been obtained in 1960-2007 years using the 26-inch...
  • Short- and long-term pm of close dwarfs

    Motions of 1308 stars with large proper motions ({mu}>300mas/yr) up to 17 mag were investigated using the results of observations conducted with Pulkovo Normal Astrograph and...
  • CCD observations of visual double stars

    We present the results of 3632 astrometric CCD-measurements of 314 visual double stars performed with the 26-inch refractor of the Pulkovo observatory in 2003-2007. Angular...
  • Dynamical study of wide pairs of stars from WDS

    Using the method of apparent motion parameters, we have studied the relative motion of the components in 561 pairs of wide (rho>2") and relatively nearby (Hipparcos...
  • BVRI and fluxes of HM Sge in 1986-2000

    The results of BVRI photometric and spectroscopic observations of symbiotic Nova HM Sagittae were made in 1986-2002.
  • Astrometric study of ADS 48

    The series of relative positions of the hierarchical triple system ADS 48 ABF (AB=6",AF=327") obtained with the 26-inch Pulkovo refractor during 1961-1995 and measured with the...
  • IR photometry of five long-period binaries

    JHKLM photometry for five long-period binaries is presented. For a description of the UBVR and JHKLM photometric systems, see e.g. and respectively.
  • Dynamical stability of triple stars

    The dynamic stability of 38 observed hierarchical triple stars with known orbital elements of the internal and external binary subsystems and component masses is considered....
  • ADS 9731: a new sextuple system

    Observations with the correlation radial velocity meter of ADS 9731 were carried out during 1996-1997. We established that the components A and D of the visual quadruple system...
  • The triple system ADS 9167

    It is found from the observations with the correlation radial velocity meter that the primary component of the visual double star ADS 9167 is a single-lined spectroscopic binary...
  • Visual components in 82 multiple systems

    The results of a BVR photometry observations are presented for multiple stars visual subsystems (table2.dat). The objects (table1.dat) were observed in 1996 with the 60 cm and 1...
  • Unistellar Exoplanet Campaign

    This paper presents early results from and prospects for exoplanet science using a citizen science private/public partnership observer network managed by the SETI Institute in...
  • Stellar obliquities in exoplanetary systems

    The rotation of a star and the revolutions of its planets are not necessarily aligned. This article reviews the measurement techniques, key findings, and theoretical...
  • TESS predicted yield of transits

    Radial velocity (RV) surveys have detected hundreds of exoplanets through their gravitational interactions with their host stars. Some will be transiting, but most lack...
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