Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aj....100..347c&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 100, Aug. 1990, p. 347-355. Research supported by Georgia State University.
Astronomy and Astrophysics
Astronomy
38
Astronomical Photometry, Bl Lacertae Objects, Blazars, Optical Properties, Variable Stars, Charge Coupled Devices, Electrophotometers, Time Dependence, Ubv Spectra
Scientific paper
Photometric observations of the BL Lacerate object OQ 530 were obtained in an effort to study the nature of variations which may be occurring on timescales from years to less than one day. Rapid events have been observed, with changes as rapid as 0.06 mag observed in 20 min. These changes are among the most rapid ever detected for a BL Lacerate object. The variations have been investigated to determine if they are periodic in nature. No evidence is found for any significant periodicities to be present.
Carini Michael T.
Goodrich Bret D.
Miller Richard H.
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