V523 Cassiopeiae
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 Location of V523 Cassiopeiae | |
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Cassiopeia |
| Right ascension | 00h 40m 6.27s[1] |
| Declination | +50° 14′ 15.5″[1] |
| Characteristics | |
| Evolutionary stage | Main-sequence |
| Spectral type | K4V |
| Variable type | β Cep[2] |
| Astrometry | |
| Radial velocity (Rv) | -2.54 km/s |
| Proper motion (μ) | RA: 147.512 mas/yr Dec.: -71.088 mas/yr |
| Parallax (π) | 14.9513 ± 0.0333 mas |
| Distance | 218.1 ± 0.5 ly (66.9 ± 0.1 pc) |
| Orbit | |
| Details | |
| A | |
| B | |
| Other designations | |
| Database references | |
| SIMBAD | data |
V523 Cassiopeiae is a short-period eclipsing contact binary star system of W Ursae Majoris type located in the constellation of Cassiopeia. It is one of the shortest-known orbital periods for a non-degenerate eclipsing binary, making it an important object for studies of low-mass contact binary evolution and magnetic activity[3]
References
- ↑ 1.0 1.1 1.2 "Simbad - Object view". simbad.cds.unistra.fr. Retrieved 2025-12-17.
- ↑ Samus', N. N.; Kazarovets, E. V.; Durlevich, O. V.; Kireeva, N. N.; Pastukhova, E. N. (2017). "General catalogue of variable stars: Version GCVS 5.1". Astronomy Reports. 61 (1): 80. Bibcode:2017ARep...61...80S. doi:10.1134/S1063772917010085.
- ↑ Samec, Ronald G.; van Hamme, Walter; Bookmyer, Beverly B. (1989-12). "Synthetic light-curve analysis of the very short period binaries TY Bootis, AD Cancri, and V523 Cassiopeiae". The Astronomical Journal. 98: 2287. doi:10.1086/115299. Check date values in:
|date=(help)
Category:Cygnus (constellation) Cygni, V453 Category:B-type subgiants 227696 Category:Beta Cephei variables
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