Astronomy:HD 213429
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Short description: Binary star system in the constellation Aquarius
| Observation data Equinox J2000.0]] (ICRS) | |
|---|---|
| Constellation | Aquarius |
| Right ascension | 22h 31m 18.31271s[1] |
| Declination | −06° 33′ 18.5437″[1] |
| Apparent magnitude (V) | 6.160[2] |
| Characteristics | |
| Spectral type | F8V[3] |
| U−B color index | +0.03[4] |
| B−V color index | +0.55[4] |
| Astrometry | |
| Radial velocity (Rv) | −9.9±6.3[2] km/s |
| Proper motion (μ) | RA: +161.61[1] mas/yr Dec.: −108.40[1] mas/yr |
| Parallax (π) | 39.35 ± 0.70[1] mas |
| Distance | 83 ± 1 ly (25.4 ± 0.5 pc) |
| Absolute magnitude (MV) | 4.13[2] |
| Details | |
| HD 213429 A | |
| Mass | 1.18[5] M☉ |
| Surface gravity (log g) | 4.10[3] cgs |
| Temperature | 6,001[3] K |
| Metallicity [Fe/H] | −0.23[3] dex |
| Rotational velocity (v sin i) | 6[6] km/s |
| Age | 3.7[2] Gyr |
| HD 213429 B | |
| Mass | 0.78[5] M☉ |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) | |
HD 213429 is a spectroscopic binary[5] system in the equatorial constellation of Aquarius. It has a combined apparent magnitude of 6.16 and is located around 83 light years away. The pair orbit each other with a period of 631 days,[5] at an average separation of 1.74 AU and an eccentricity of 0.38.[7]
References
- ↑ 1.0 1.1 1.2 1.3 1.4 van Leeuwen, F. (2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics 474 (2): 653–664, doi:10.1051/0004-6361:20078357, Bibcode: 2007A&A...474..653V
- ↑ 2.0 2.1 2.2 2.3 Nordström, B. et al. (May 2014), "The Geneva-Copenhagen survey of the Solar neighbourhood. Ages, metallicities, and kinematic properties of ~14000 F and G dwarfs", Astronomy and Astrophysics 418: 989–1019, doi:10.1051/0004-6361:20035959, Bibcode: 2004A&A...418..989N
- ↑ 3.0 3.1 3.2 3.3 Gray, R. O. et al. (July 2006), "Contributions to the Nearby Stars (NStars) Project: spectroscopy of stars earlier than M0 within 40 pc-The Southern Sample", The Astronomical Journal 132 (1): 161–170, doi:10.1086/504637, Bibcode: 2006AJ....132..161G
- ↑ 4.0 4.1 Mermilliod, J.-C. (1986), "Compilation of Eggen's UBV data, transformed to UBV (unpublished)", Catalogue of Eggen's UBV Data. SIMBAD, Bibcode: 1986EgUBV........0M
- ↑ 5.0 5.1 5.2 5.3 Tokovinin, Andrei (April 2014), "From Binaries to Multiples. II. Hierarchical Multiplicity of F and G Dwarfs", The Astronomical Journal 147 (4): 14, doi:10.1088/0004-6256/147/4/87, 87, Bibcode: 2014AJ....147...87T
- ↑ Uesugi, Akira; Fukuda, Ichiro (1970), "Catalogue of rotational velocities of the stars", Contributions from the Institute of Astrophysics and Kwasan Observatory (University of Kyoto), Bibcode: 1970crvs.book.....U
- ↑ Jaime, Luisa G. et al. (September 2014), "Habitable zones with stable orbits for planets around binary systems", Monthly Notices of the Royal Astronomical Society 443 (1): 260–274, doi:10.1093/mnras/stu1052, Bibcode: 2014MNRAS.443..260J
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