Zeta Scuti
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Scutum |
| Right ascension | 18 23 39.58309h[1] |
| Declination | −08° 56′ 03.7885″[1] |
| Apparent magnitude (V) | +4.68[2] |
| Distance | 207 ± 13[1] ly (63 ± 4 pc) |
| Spectral type | G9 IIIb Fe-0.5[3] |
| Other designations | |
Zeta Scuti (ζ Sct, ζ Scuti) is the Bayer designation for a star in the southern constellation of Scutum. It is a G-type giant star with an apparent magnitude of +4.68, approximately 207 light years from Earth. This is an astrometric binary system with a period of 6.5 years (2,374 days) and an orbital eccentricity of 0.10.[3]
References
- 1 2 3 van Leeuwen, F. (November 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.
- ↑ Johnson, H. L.; et al. (1966). "UBVRIJKL photometry of the bright stars". Communications of the Lunar and Planetary Laboratory 4 (99). Bibcode:1966CoLPL...4...99J.
- 1 2 Eggleton, P. P.; Tokovinin, A. A. (September 2008), "A catalogue of multiplicity among bright stellar systems", Monthly Notices of the Royal Astronomical Society 389 (2): 869–879, arXiv:0806.2878, Bibcode:2008MNRAS.389..869E, doi:10.1111/j.1365-2966.2008.13596.x.
- ↑ "zet Sct -- Spectroscopic binary", SIMBAD Astronomical Object Database (Centre de Données astronomiques de Strasbourg).
| ||||||||||||||||||||||||||
This article is issued from Wikipedia - version of the Tuesday, April 01, 2014. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.