A possible 35-minute periodicity in the OJ 287 active galactic nucleus at 7-mm wavelength

Details A possible 35-minute periodicity in the OJ 287 active galactic nucleus at 7-mm wavelength A possible 35-minute periodicity in the OJ 287 active galactic nucleus at 7-mm wavelength

Jan 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988natur.331...48k&link_type=abstract

Nature (ISSN 0028-0836), vol. 331, Jan. 7, 1988, p. 48-50.

Astronomy and Astrophysics

Astronomy

16

Active Galactic Nuclei, Bl Lacertae Objects, Periodic Variations, Radio Sources (Astronomy), Least Squares Method, Millimeter Waves, Spectral Energy Distribution

Scientific paper

The authors report detection in February 1986 of a weak (4% amplitude),
35-min flux modulation of the emission from OJ 287 at 7 mm wavelength,
whose statistical significance they estimate to be ≡97%. Nearly
one year later, observations of the same source revealed no
periodicities between 4 and 300 min with amplitude greater than 2%.

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