V348 Andromedae
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Andromeda |
| Right ascension | 00h 15m 17.84s[1] |
| Declination | +44° 12′ 12.2″[1] |
| Apparent magnitude (V) | 6.77±0.01[2] |
| Characteristics | |
| Evolutionary stage | Main-sequence |
| Spectral type | B9V + B9V + B8V[3] |
| Variable type | Algol[4][5] |
| Astrometry | |
| Radial velocity (Rv) | −11.63±0.52 km/s |
| Proper motion (μ) | RA: 5.461 mas/yr[6] Dec.: -3.053 mas/yr[6] |
| Parallax (π) | 2.92 mas[3] |
| Distance | 1,117 ly (342 pc)[3] |
| Orbit[3] | |
| Primary | A |
| Name | B |
| Period (P) | 27.703514±0.000325 days |
| Semi-major axis (a) | 68.28±0.87 R☉ |
| Eccentricity (e) | 0.116±0.012 |
| Inclination (i) | 88.26±0.02° |
| Periastron epoch (T) | 2,455,923.129±0.025 HJD |
| Argument of periastron (ω) (secondary) | 95.6±0.2° |
| Semi-amplitude (K1) (primary) | 61.22±0.81 km/s |
| Semi-amplitude (K2) (secondary) | 63.76±0.85 km/s |
| Orbit[3] | |
| Primary | AB |
| Name | C |
| Period (P) | 86.9±4.3 yr |
| Semi-major axis (a) | 0.118±0.013″ |
| Eccentricity (e) | 0.559±0.015 |
| Inclination (i) | 66.0±3.9° |
| Longitude of the node (Ω) | 61.1±2.4° |
| Periastron epoch (T) | 2,451,501±96 HJD |
| Argument of periastron (ω) (secondary) | 140±10° |
| Details[3] | |
| A | |
| Mass | 2.81±0.04 M☉ |
| Radius | 2.42±0.03 R☉ |
| Temperature | 10,500 K |
| B | |
| Mass | 2.69±0.04 M☉ |
| Radius | 2.34±0.03 R☉ |
| Temperature | 10,412±87 K |
| C | |
| Mass | 3.4 M☉ |
| Other designations | |
| V348 And, BD+43 33, HD 1082, SAO 36202, TIC 440062036, 2MASS J00151782+4412122[1] | |
| Database references | |
| SIMBAD | data |
V348 Andromedae is a multiple star system located approximately 1,100 light-years from Earth in the constellation of Andromeda. Its combined apparent visual magnitude of around 6.77 makes it visible to the naked eye under good conditions.[2][3]
Characteristics
The primary pair consists of an Algol type[4][5] eclipsing binary system of two B-type main-sequence stars both having a spectral type of B9V both having mass of 2.81 M☉ and 2.69 M☉ and has an orbital period of approximately 27.7 days.[3] This inner pair of binary is accompanied by a tertiary companion of spectral type B8V with a mass of 3.4 M☉ in a wide orbit with an orbital period of about 87 years, making the system a hierarchical triple star system.[3]
References
- ^ a b c "V348 Andromedae". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2026-04-01.
- ^ a b Fabricius, C.; Høg, E.; Makarov, V. V.; Mason, B. D.; Wycoff, G. L.; Urban, S. E. (March 2002). "The Tycho double star catalogue". Astronomy & Astrophysics. 384 (1): 180–189. Bibcode:2002A&A...384..180F. doi:10.1051/0004-6361:20011822.
- ^ a b c d e f g h i Zasche, P.; Uhlař, R.; Svoboda, P.; Juryšek, J.; Korčáková, D.; Wolf, M.; Šlechta, M.; Kotková, L. (2019-08-01). "V348 And and V572 Per: Bright Triple Systems with Eccentric Eclipsing Binaries". The Astronomical Journal. 158 (2): 95. arXiv:1908.04975. Bibcode:2019AJ....158...95Z. doi:10.3847/1538-3881/ab2d22.
- ^ a b Zasche, P.; Svoboda, P. (2008). "The Unconfirmed Eclipsing Nature of V348 And and Detection of Variability of HD 1438". Information Bulletin on Variable Stars. 5827: 1. Bibcode:2008IBVS.5827....1Z.
- ^ a b Zasche, P.; Wolf, M.; Hartkopf, W. I.; Svoboda, P.; Uhlař, R.; Liakos, A.; Gazeas, K. (2009-08-01). "A Catalog of Visual Double and Multiple Stars with Eclipsing Components". The Astronomical Journal. 138 (2): 664–679. arXiv:0907.5172. Bibcode:2009AJ....138..664Z. doi:10.1088/0004-6256/138/2/664.
- ^ Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A...674A...1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.