Long-term APT photometry of the variable Wolf-Rayet star HD 191765 - LVB-type microvariability or precession in a binary?

Abstract

view Abstract Citations (6) References (50) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Long-Term APT Photometry of the Variable Wolfe-Rayet Star HD 19765: LVB-Type Microvariability or Precession in a Binary? Moffat, A. F. J. ; Marchenko, S. V. Abstract Two years of nearly-daily UBV monitoring of the variable WR star HD 191765 have yielded evidence for a relatively long, 37.2-day period of the light curve in all three filters. In view of the additional 2-day periodicity that emerges from the data, this long period may be interpreted as either (1) luminous, blue-variablelike microvariability, or (2) the precession of the WR component in a close binary system with P of about 2d. Publication: The Astronomical Journal Pub Date: January 1993 DOI: 10.1086/116431 Bibcode: 1993AJ....105..339M Keywords: Astronomical Photometry; Eclipsing Binary Stars; Light Curve; Ubv Spectra; Variable Stars; Wolf-Rayet Stars; Massive Stars; Stellar Atmospheres; Stellar Luminosity; Astrophysics; STARS: WOLF-RAYET full text sources ADS | data products SIMBAD (4)