Astronomy:HD 223229
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Short description: Suspected variable star in the constellation Andromeda
| Observation data Equinox J2000.0]] (ICRS) | |
|---|---|
| Constellation | Andromeda[1] |
| Right ascension | 23h 47m 33.04919s[2] |
| Declination | +46° 49′ 57.2217″[2] |
| Apparent magnitude (V) | 6.07[3] |
| Characteristics | |
| Spectral type | B3IV[4] |
| U−B color index | −0.66[3] |
| B−V color index | −0.14[3] |
| Astrometry | |
| Radial velocity (Rv) | −9.3±2.2[5] km/s |
| Proper motion (μ) | RA: 0.708±0.059[2] mas/yr Dec.: −5.845±0.050[2] mas/yr |
| Parallax (π) | 1.9698 ± 0.0761[2] mas |
| Distance | 1,660 ± 60 ly (510 ± 20 pc) |
| Absolute magnitude (MV) | −1.36[1] |
| Details | |
| Mass | 6.31±0.49[6] M☉ |
| Luminosity (bolometric) | 1,762[6] L☉ |
| Temperature | 17,900[6] K |
| Rotational velocity (v sin i) | 30[7] km/s |
| Age | 36.8±3.0[8] Myr |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 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.[9] The primary is a B-type subgiant star with a stellar classification of B3IV.[4] It has an estimated 6.3 times the mass of the Sun, with an effective temperature of 17,900 K.[6]
References
- ↑ 1.0 1.1 Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters 38 (5): 331. doi:10.1134/S1063773712050015. Bibcode: 2012AstL...38..331A XHIP record for this object at VizieR.
- ↑ 2.0 2.1 2.2 2.3 2.4 Brown, A. G. A. (2021). "Gaia Early Data Release 3: Summary of the contents and survey properties". Astronomy & Astrophysics 649: A1. doi:10.1051/0004-6361/202039657. Bibcode: 2021A&A...649A...1G. Gaia EDR3 record for this source at VizieR.
- ↑ 3.0 3.1 3.2 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
- ↑ 4.0 4.1 Lesh, Janet Rountree (December 1968), "The Kinematics of the Gould Belt: an Expanding Group?", Astrophysical Journal Supplement 17: 371, doi:10.1086/190179, Bibcode: 1968ApJS...17..371L
- ↑ 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. doi:10.1134/S1063773706110065. Bibcode: 2006AstL...32..759G.
- ↑ 6.0 6.1 6.2 6.3 Hohle, M. M. et al. (April 2010), "Masses and luminosities of O- and B-type stars and red supergiants", Astronomische Nachrichten 331 (4): 349, doi:10.1002/asna.200911355, Bibcode: 2010AN....331..349H
- ↑ Abt, Helmut A.; Levato, Hugo; Grosso, Monica (July 2002), "Rotational Velocities of B Stars", The Astrophysical Journal 573 (1): 359–365, doi:10.1086/340590, Bibcode: 2002ApJ...573..359A
- ↑ 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. doi:10.1111/j.1365-2966.2010.17434.x. Bibcode: 2011MNRAS.410..190T.
- ↑ Mason, B. D. et al. (2014), "The Washington Visual Double Star Catalog", The Astronomical Journal 122 (6): 3466, doi:10.1086/323920, Bibcode: 2001AJ....122.3466M, http://vizier.u-strasbg.fr/viz-bin/VizieR?-source=B/wds, retrieved 2015-07-22
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