astro.wikisort.org - StarHD 223229 is a suspected variable star in the northern constellation of Andromeda. It is a double star consisting of a magnitude 6.11 primary and a magnitude 8.73 companion. The pair have an angular separation of 0.80″ along a position angle of 250°, as of 2009.[8] The primary is a B-type subgiant star with a stellar classification of B3IV.[3] It has an estimated 6.3 times the mass of the Sun, with an effective temperature of 17,900 K.[5]
Suspected variable star in the constellation Andromeda
HD 223229
Observation data Epoch J2000 Equinox J2000 |
Constellation |
Andromeda |
Right ascension |
23h 47m 33.04919s[1] |
Declination |
+46° 49′ 57.2217″[1] |
Apparent magnitude (V) |
6.07[2] |
Characteristics |
Spectral type |
B3IV[3] |
U−B color index |
−0.66[2] |
B−V color index |
−0.14[2] |
Astrometry |
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Radial velocity (Rv) | −9.3±2.2[4] km/s |
Proper motion (μ) | RA: 0.708±0.059[1] mas/yr Dec.: −5.845±0.050[1] mas/yr |
Parallax (π) | 1.9698 ± 0.0761 mas[1] |
Distance | 1,660 ± 60 ly (510 ± 20 pc) |
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Details |
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Mass | 6.31±0.49[5] M☉ |
Luminosity (bolometric) | 1,762[5] L☉ |
Temperature | 17,900[5] K |
Rotational velocity (v sin i) | 30[6] km/s |
Age | 36.8±3.0[7] Myr |
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Other designations |
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BD+46° 416, HD 223229, HIP 117340, HR 9011, SAO 53374. |
Database references |
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SIMBAD | data |
References
- Brown, A. G. A.; et al. (Gaia collaboration) (2021). "Gaia Early Data Release 3: Summary of the contents and survey properties". Astronomy & Astrophysics. 649: A1. arXiv:2012.01533. Bibcode:2021A&A...649A...1G. doi:10.1051/0004-6361/202039657. S2CID 227254300. (Erratum: doi:10.1051/0004-6361/202039657e). Gaia EDR3 record for this source at VizieR.
- Nicolet, B. (1978), "Photoelectric photometric Catalogue of homogeneous measurements in the UBV System", Astronomy and Astrophysics Supplement Series, 34: 1–49, Bibcode:1978A&AS...34....1N
- Lesh, Janet Rountree (December 1968), "The Kinematics of the Gould Belt: an Expanding Group?", Astrophysical Journal Supplement, 17: 371, Bibcode:1968ApJS...17..371L, doi:10.1086/190179
- Gontcharov, G. A. (November 2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759–771. arXiv:1606.08053. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065. S2CID 119231169.
- Hohle, M. M.; et al. (April 2010), "Masses and luminosities of O- and B-type stars and red supergiants", Astronomische Nachrichten, 331 (4): 349, arXiv:1003.2335, Bibcode:2010AN....331..349H, doi:10.1002/asna.200911355, S2CID 111387483
- Abt, Helmut A.; Levato, Hugo; Grosso, Monica (July 2002), "Rotational Velocities of B Stars", The Astrophysical Journal, 573 (1): 359–365, Bibcode:2002ApJ...573..359A, doi:10.1086/340590
- Tetzlaff, F.; Neuhäuser, R.; Hohle, M. M. (January 2011). "A catalogue of young runaway Hipparcos stars within 3 kpc from the Sun". Monthly Notices of the Royal Astronomical Society. 410 (1): 190–200. arXiv:1007.4883. Bibcode:2011MNRAS.410..190T. doi:10.1111/j.1365-2966.2010.17434.x. S2CID 118629873.
- Mason, B. D.; et al. (2014), "The Washington Visual Double Star Catalog", The Astronomical Journal, 122 (6): 3466, Bibcode:2001AJ....122.3466M, doi:10.1086/323920, retrieved 2015-07-22
External links
Constellation of Andromeda |
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Stars | |
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