Iota1 Cygni
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Cygnus |
| Right ascension | 19h 27m 25.95887s[1] |
| Declination | 52° 19′ 13.5737″[1] |
| Apparent magnitude (V) | 5.75 [2] |
| Characteristics | |
| Spectral type | A1V [3] |
| B−V color index | +0.00 [2] |
| Astrometry | |
| Radial velocity (Rv) | +1.90[4] km/s |
| Proper motion (μ) | RA: -12.26[2] mas/yr Dec.: -26.95[2] mas/yr |
| Parallax (π) | 9.30 ± 0.23 mas[1] |
| Distance | 351 ± 9 ly (108 ± 3 pc) |
| Absolute magnitude (MV) | +0.57[5] |
| Details | |
| Luminosity | 59.7[5] L☉ |
| Other designations | |
| Database references | |
| SIMBAD | data |
Iota1 Cygni, Latinized from ι1 Cygni, is a class A1V[3] (white main-sequence) star in the constellation Cygnus. Its apparent magnitude is 5.75[2] and it is approximately 351 light years away based on parallax.[1]
References
- ^ a b c d van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry
- ^ a b c d e f "* iot01 Cyg". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2016-04-10.
- ^ a b Jaschek, M. (July 1978), "Catalogue of selected spectral types in the MK system", Bulletin d'Information du Centre de Donnees Stellaires, 15 (121), Bibcode:1978BICDS..15..121J Vizier catalog entry
- ^ Evans, D. S. (June 20–24, 1966), "The Revision of the General Catalogue of Radial Velocities", in Batten, Alan Henry; Heard, John Frederick (eds.), Determination of Radial Velocities and their Applications, Proceedings from IAU Symposium no. 30, University of Toronto: International Astronomical Union, Bibcode:1967IAUS...30...57E
- ^ a b Anderson, E.; Francis, Ch. (2012), "XHIP: An extended hipparcos compilation", Astronomy Letters, 38 (5): 331, arXiv:1108.4971, Bibcode:2012AstL...38..331A, doi:10.1134/S1063773712050015.
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