HD 200375
Binary star system in the constellation Aquarius
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Aquarius |
| Right ascension | 21h 03m 03.02378s[1] |
| Declination | +01° 31′ 55.4137″[1] |
| Apparent magnitude (V) | 6.23[2] |
| Characteristics | |
| Spectral type | F5V |
| U−B color index | −0.01[2] |
| B−V color index | +0.47[2] |
| Astrometry | |
| Radial velocity (Rv) | 8.77±0.34[3] km/s |
| Proper motion (μ) | RA: -110.79[1] mas/yr Dec.: -53.84[1] mas/yr |
| Parallax (π) | 14.12 ± 0.64 mas[1] |
| Distance | 230 ± 10 ly (71 ± 3 pc) |
| Absolute magnitude (MV) | 1.98[4] |
| Details | |
| Temperature | 6,368[4] K |
| Metallicity [Fe/H] | −0.01[4] dex |
| Age | 1.5[4] Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) | |
HD 200375 is a binary star[4] system in the equatorial constellation of Aquarius. Their orbit does not yet have a unique solution available.[5][6]
References
- ^ a b c d e 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, S2CID 18759600
- ^ a b c Mermilliod, J.-C. (1986), "Compilation of Eggen's UBV data, transformed to UBV (unpublished)", Catalogue of Eggen's UBV Data. SIMBAD, Bibcode:1986EgUBV........0M
- ^ Tokovinin, A. A.; Smekhov, M. G. (January 2002), "Statistics of spectroscopic sub-systems in visual multiple stars", Astronomy and Astrophysics, 382: 118–123, Bibcode:2002A&A...382..118T, doi:10.1051/0004-6361:20011586
- ^ a b c d e Holmberg, J.; Nordström, B.; Andersen, J. (July 2009), "The Geneva-Copenhagen survey of the solar neighbourhood. III. Improved distances, ages, and kinematics", Astronomy and Astrophysics, 501 (3): 941–947, arXiv:0811.3982, Bibcode:2009A&A...501..941H, doi:10.1051/0004-6361/200811191, S2CID 118577511
- ^ Olevic, D.; Jovanovic, P. (2001), "New Orbital Elements for 5 Double Stars", Serbian Astronomical Journal, 164 (164): 7, Bibcode:2001SerAJ.164....7O, doi:10.2298/SAJ0164007O
- ^ Malkov, O. Yu.; et al. (2012), "Dynamical Masses of a Selected Sample of Orbital Binaries", Astronomy & Astrophysics, 546: 5, Bibcode:2012A&A...546A..69M, doi:10.1051/0004-6361/201219774, A69
External links
- Image HD 200375
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Constellation of Aquarius
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Category
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