Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983afz....19..199h&link_type=abstract
(Astrofizika, vol. 19, Apr.-June 1983, p. 199-211) Astrophysics (ISSN 0571-7132), vol. 19, no. 2, Oct. 1983, p. 111-119. Transla
Astronomy and Astrophysics
Astrophysics
12
Astronomical Photometry, Bl Lacertae Objects, Extragalactic Radio Sources, Polarized Electromagnetic Radiation, Elliptical Galaxies, Nonthermal Radiation, Variability
Scientific paper
The results are given of polarization and photometric observations of the BL Lacertae object B2 1101 + 38 (Markaryan 421) during 1974-1982. Variability with characteristic times from a few days to several years has been found. It is associated with variability of the nonthermal sources of polarized radiation which are superimposed on the underlying galaxy. The existence of a preferred direction of the polarization at theta(0) = 173 deg indicates the presence of a stable magnetic field, which can be regarded as an argument in favor of the single-body hypothesis for BL Lacertae objects.
Hagen-Torn V. A.
Iakovleva V. A.
Marchenko Svetlana G.
Smekhacheva R. I.
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