Investigation of variable stars in the Aquila, Cygnus, Lyra and Vulpecula constellations.
Abstract
Observations of 138 variable stars in the constellations Aquila, Cygnus, Lyra and Vulpecula are presented. Of the stars for which magnitudes are indicated, there are 67 Mira variables, 12 irregular giants, 11 RR Lyrae stars, 11 eclipsing binaries, three W Vir Cepheids, four RV Tau stars, two Z And variables, two U Gem variables and four RW Aur stars. The characteristics of the long-period variable stars, including CM Aql, and CSV 4524, and irregular stars, including irregular giants, unique stars, U Gem stars, RW Aur stars, peculiar stars and stars not exhibiting noticeable brightness oscillations are discussed in detail, and finding charts are provided.
- Publication:
-
Kiev
- Pub Date:
- 1978
- Bibcode:
- 1978ivsc.book.....T
- Keywords:
-
- Astronomical Catalogs;
- Astronomical Maps;
- Astronomical Photography;
- Variable Stars;
- Eclipsing Binary Stars;
- Giant Stars;
- Light Curve;
- Lyra Constellation;
- Mira Variables;
- Periodic Variations;
- Reference Stars;
- Stellar Luminosity;
- Astronomy