UBV photometry of Be stars (Pavlovski+ 1997)

Details UBV photometry of Be stars (Pavlovski+ 1997) UBV photometry of Be stars (Pavlovski+ 1997)

Sep 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997ycat..41250075p&link_type=abstract

VizieR On-line Data Catalog: J/A+AS/125/75. Originally published in: 1997A&AS..125...75P

Physics

Stars: Be, Photometry: Ubv

Scientific paper

A summary of results of the systematic UBV photoelectric monitoring of bright northern Be stars carried out at the Hvar Observatory between 1972 and 1990 is presented. Altogether, 76 Be stars of all luminosity classes were observed and 13848 UBV measurements secured. Simultaneously, 9648 UBV measurements of 48 check stars (most of them of early spectral types) were obtained. A careful transformation of all observations into the standard Johnson system allowed detection and monitoring of even very mild long-term light and colour variations of these objects. Almost all early-type Be stars in the sample turned out to be variable. For several stars phase-locked light variations related to their binary nature were established. Sudden brightenings, on a time scale of a few days, were detected for o Cas and QR Vul. (2 data files).

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