Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004ycat..90300243h&link_type=abstract
VizieR On-line Data Catalog: J/PAZh/30/243. Originally published in: 2004PAZh...30..243H; 2004AstL...30..209H
Astronomy and Astrophysics
Astrophysics
Bl Lac Objects, Photometry: Ccd, Photometry: Ubvri, Photometry: Infrared
Scientific paper
We performed the optical BVRI observations of BL Lac with a CCD photometer of the AI SPbSU equipped with an ST-7 camera attached to the 20-cm (1999) and 70-cm (2000-2001) telescopes at the Crimean Astrophysical Observatory.
We carried out the infrared (JHK) observations with the 1.1-m Pulkovo Astronomical Observatory (Russian Academy of Sciences) telescope installed at the Campo Imperatore Observatory (Italy) and equipped with the SWIRCAM camera.
(2 data files).
Arkharov Arkadi A.
D'Alessio Francesco
di Paola A.
Hagen-Thorn Vladimir A.
Kudryavtseva N. A.
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