3,753 datasets found

Keywords: photometry

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  • Spectroscopic observations of southern stars

    The results of spectrophotometric observations of 64 southern stars in the range from 320 to 730nm are presented as quasi-monochromatic luminosities from the stars on the...
  • 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.
  • FG Sagittae: new observations

    In 1999-2002 the BVRI photometric and spectroscopic observations of FG Sge were made. The star has been in a new R CrB photometric phase since 1992.
  • UBVR photometry of Nova Mon 2002 (V838 Mon)

    UBVR photometric and spectroscopic observations of V838 Mon during the outbursts.
  • UBV and line identification of V1853 Cyg

    Photoelectric and spectroscopic observations of the protoplanetary object V1853 Cyg, a B supergiant with an IR excess, are given. The observations were carried out with a UBV...
  • Close binary system EQ Ori

    The results of a UBVR photometry observations are presented for eclipsing variable EQ Ori. The binary was observed 1988 with the 1-m telescope at Maidanak Observatory (Uzbekistan).
  • BR photometry of the UMa galaxy supercluster

    A catalogue of 1192 galaxies in the central regions (30' x 30') of 11 clusters in the Ursa Major supercluster is presented. For each galaxy equatorial and relative coordinates...
  • 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...
  • UBVR photometry of binaries GG Ori and OS Ori

    Photoelectric UBVR photometry of 2 eclipsing variables are presented. Each binary was observed between 1989 and 1995 with the 60 cm telescopes at the Maidanak Observatory...
  • HAT-P-3b and TrES-3b light curves and Mid-times

    We present photometric light curves of the transiting extrasolar planets HAT-P-3b and TrES-3b obtained with multiple northern hemisphere telescope using the defocused photometry...
  • WASP-39b and WASP-43b light curves

    We present photometric light-curves of the transiting extrasolar planets WASP-39b and WASP-43b obtained with three San Pedro Martir telescopes by using the defocused photometry...
  • Southern Galactic Be star candidates

    We present the result of a search for southern Galactic Be star candidates within the group of miscellaneous variables of the ASAS-2 catalog of variable stars, using...
  • Light curve of CR Boo over 1990-2012

    Two telescopes are used at the Morgan-Monroe Observatory of Indiana University for autonomous long-term photometric monitoring of stellar sources, mostly cataclysmic variable...
  • UBVRI Hp BT and VT photonic responses

    We have calculated improved photonic passbands for the UBVRI, Hipparcos Hp, and Tycho BT and VT standard systems using the extensive spectrophotometric libraries of NGSL and...
  • EH Cnc RV light curves

    New CCD photometry for the eclipsing binary EH Cnc was made from 2009 to 2011, and five new eclipsing times are presented. Through using the updated Wilson-Devinney code, we...
  • Variable stars in NGC 7039 field

    We report variable stars identified in the field of the Galactic open cluster, NGC 7039. In the fall/winter of 2009, imaging photometry has been acquired, mainly in the R band,...
  • Direct imaging of exoplanets

    High-contrast imaging can find and characterize gas giant planets around nearby young stars and the closest M stars, complementing radial velocity and astrometric searches by...
  • HST WFPC2 star clusters in M31. II.

    This paper reports on a survey of star clusters in M31 based on archival images from the Hubble Space Telescope. Paper I reported results from images obtained with the Wide...
  • HST WFPC2 star clusters in M31

    As a followup to the automated cluster search carried out by Williams & Hodge (2001ApJ...548..190W), we have examined 39 Hubble Space Telescope Wide Field Planetary Camera 2...
  • M48 (NGC 2548) BATC photometry and membership

    Beijing-Arizona-Taiwan-Connecticut (BATC) multiband photometric data in the field of open cluster M48 are used to determine its membership. By comparing observed spectral energy...
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