UBV observations of FG Sagittae in 1996-1997

Astronomy and Astrophysics – Astronomy

Scientific paper

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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.

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