Photometry of Symbiotic Stars - XIV

11 Apr 2019  ·  Sekeráš M., Skopal A., Shugarov S., Shagatova N., Kundra E., Komžík R., Vrašťák M., Peneva S. P., Semkov E., Stubbings R. ·

We present new multicolour UBVRcIc photometric observations of symbiotic stars, EG And, Z And, BF Cyg, CH Cyg, CI Cyg, V1016 Cyg, V1329 Cyg, AG Dra, RS Oph, AG Peg, AX Per, and the newly discovered (August 2018) symbiotic star HBHA 1704-05, we carried out during the period from 2011.9 to 2018.75. Historical photographic and visual/V data were collected for HBHA 1704-05, FG Ser and AE Ara, AR Pav, respectively... The main aim of this paper is to present our original observations of symbiotic stars and to describe the most interesting features of their light curves. For example, periodic variations, rapid variability, minima, eclipses, outbursts, apparent changes of the orbital period, etc. Our measurements were obtained by the classical photoelectric photometry (till 2016.1) and the CCD photometry. Main results of our monitoring program are summarized and some specific characteristics are pointed out for future investigation. read more

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Solar and Stellar Astrophysics