Astronomy and Astrophysics – Astronomy
Scientific paper
May 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998astl...24..361a&link_type=abstract
Astronomy Letters, Volume 24, Issue 3, May 1998, pp.361-364; Pis'ma v Astronomicheskii Zhurnal, Vol. 24, p. 427
Astronomy and Astrophysics
Astronomy
1
Scientific paper
We present the UBV observations of FG Sge performed on 55 nights in 1996-1997 with three apertures: 27", 135", and 10". We measured the star together with part of the surrounding planetary nebula He 1-5 through the smaller apertures and the sum of three components-star + companion + nebula - through the large aperture. In 1996 the deepest minimum of all the five minima that had occurred since 1992, when the star entered the R CrB phase, was observed.
Arkhipova V. P.
Ikonnikova N. P.
Noskova R. I.
Shugarov Sergei Yu.
Sokol G. V.
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