HD 213429
HD 213429 je spektroskopski binarni sistem[7] v ekvatorialnem ozvezdju Vodnarja. Njena združena magnituda je 6,16, od nas pa je oddaljena 83 svetlobnih let. Par zaokroži ena okoli druge v 631 dneh[8] na povprečni razdalji okoli 1,74 AU z ekscentričnostjo 0,38.[9]
| Opazovalni podatki Epoha J2000 Enakonočje J2000 | |
|---|---|
| Ozvezdje | Vodnar |
| Rektascenzija | 22h 31m 18,31271s[1] |
| Deklinacija | −06° 33′ 18,5437″[1] |
| Navidezni sij (V) | 6,160[2] |
| Značilnosti | |
| Spektralni razred | F8V[3] |
| U−B Barvni indeks | +0,03[4] |
| B−V Barvni indeks | +0,55[4] |
| Astrometrija | |
| Radialna hitrost (Rv) | −9,9±6,3[2] km/s |
| Lastno gibanje (μ) | RA: +161,61[1] mas/l Dec.: −108,40[1] mas/l |
| Paralaksa (π) | 39,35 ± 0,70[1] mas |
| Oddaljenost | 83 ± 1 sv. l. (25.4 ± 0.5 pc) |
| Absolutni izsev (MV) | 4,13[2] |
| Podrobnosti | |
| HD 213429 A | |
| Masa | 1,18[5] M☉ |
| Površinska težnost (log g) | 4,10[3] cgs |
| Temperatura | 6,001[3] K |
| Kovinskost [Fe/H] | −0,23[3] dex |
| Tirna hitrost(v sin i) | 6[6] km/s |
| Starost | 3,7[2] Ga |
| HD 213429 B | |
| Masa | 0,78[5] M☉ |
| Druge oznake | |
| Sklici na podatkovne baze | |
| SIMBAD | podatki |
| Viri podatkov: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) | |
Viri uredi
- ↑ 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, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357
- ↑ 2,0 2,1 2,2 2,3 Nordström, B.; in sod. (Maj 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, arXiv:astro-ph/0405198, Bibcode:2004A&A...418..989N, doi:10.1051/0004-6361:20035959
- ↑ 3,0 3,1 3,2 3,3 Gray, R. O.; in sod. (Julij 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, arXiv:astro-ph/0603770, Bibcode:2006AJ....132..161G, doi:10.1086/504637
- ↑ 4,0 4,1 Mermilliod, J.-C. (1986), »Compilation of Eggen's UBV data, transformed to UBV (unpublished)«, Catalogue of Eggen's UBV data.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 Tokovinin, Andrei (april 2014), »From Binaries to Multiples. II. Hierarchical Multiplicity of F and G Dwarfs«, The Astronomical Journal, 147 (4): 14, arXiv:1401.6827, Bibcode:2014AJ....147...87T, doi:10.1088/0004-6256/147/4/87, 87
{{citation}}: Vzdrževanje CS1: samodejni prevod datuma (povezava) - ↑ 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
- ↑ Tokovinin, Andrei (April 2014), "From Binaries to Multiples. II. Hierarchical Multiplicity of F and G Dwarfs", The Astronomical Journal, 147 (4): 14, arXiv:1401.6827, Bibcode:2014AJ....147...87T, doi:10.1088/0004-6256/147/4/87, 87
- ↑ Tokovinin, Andrei (April 2014), "From Binaries to Multiples. II. Hierarchical Multiplicity of F and G Dwarfs", The Astronomical Journal, 147 (4): 14, arXiv:1401.6827, Bibcode:2014AJ....147...87T, doi:10.1088/0004-6256/147/4/87, 87
- ↑ Tokovinin, Andrei (April 2014), "From Binaries to Multiples. II. Hierarchical Multiplicity of F and G Dwarfs", The Astronomical Journal, 147 (4): 14, arXiv:1401.6827, Bibcode:2014AJ....147...87T, doi:10.1088/0004-6256/147/4/87, 87
