HD 183144
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Aquila |
| Right ascension | 19h 27m 33.90886s[1] |
| Declination | +14° 16′ 56.9328″[1] |
| Apparent magnitude (V) | 6.32[2] |
| Characteristics | |
| Spectral type | B4III[3] |
| U−B color index | -0.52[2] |
| B−V color index | -0.07[2] |
| R−I color index | 1.41 |
| Astrometry | |
| Radial velocity (Rv) | +4.0[4] km/s |
| Proper motion (μ) | RA: 8.07[1] mas/yr Dec.: −4.12[1] mas/yr |
| Parallax (π) | 3.96 ± 0.50[1] mas |
| Distance | approx. 800 ly (approx. 250 pc) |
| Details | |
| Mass | 5.01±0.05[5] M☉ |
| Luminosity | 179[6] L☉ |
| Temperature | 9,682[6] K |
| Rotational velocity (v sin i) | 200[7] km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 183144 is suspected[8] variable star in the equatorial constellation of Aquila.
References
- 1 2 3 4 5 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. - 1 2 3 Crawford, D. L.; et al. (1971), "Four-color, H-beta, and UBV photometry for bright B-type stars in the northern hemisphere", The Astronomical Journal, 76: 1058, Bibcode:1971AJ.....76.1058C, doi:10.1086/111220
- ↑ 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
- ↑ Wielen, R.; et al. (1999), Sixth Catalogue of Fundamental Stars (FK6). Part I. Basic fundamental stars with direct solutions, 35, Veröffentlichungen des Astronomisches Rechen-Institut Heidelberg, Bibcode:1999VeARI..35....1W
- ↑ Hohle, M. M.; Neuhäuser, R.; Schutz, B. F. (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
- 1 2 McDonald, I.; et al. (2012), "Fundamental Parameters and Infrared Excesses of Hipparcos Stars", Monthly Notices of the Royal Astronomical Society, 427 (1): 343–57, arXiv:1208.2037, Bibcode:2012MNRAS.427..343M, doi:10.1111/j.1365-2966.2012.21873.x
- ↑ Abt, Helmut A.; et al. (July 2002), "Rotational Velocities of B Stars", The Astrophysical Journal, 573 (1): 359–365, Bibcode:2002ApJ...573..359A, doi:10.1086/340590
- ↑ Kukarkin, B. V.; et al. (1981), "Nachrichtenblatt der Vereinigung der Sternfreunde e.V. (Catalogue of suspected variable stars)", Nachrichtenblatt der Vereinigung der Sternfreunde e.V. (1981), Moscow: Academy of Sciences USSR Shternberg, Bibcode:1981NVS...C......0K
External links
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