Astronomy:HD 200375
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Short description: Binary star system in the constellation Aquarius
| Observation data Equinox J2000.0]] (ICRS) | |
|---|---|
| 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[1] mas |
| 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
- ↑ 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, doi:10.1051/0004-6361:20078357, Bibcode: 2007A&A...474..653V
- ↑ 2.0 2.1 2.2 Mermilliod, J.-C. (1986), "Compilation of Eggen's UBV data, transformed to UBV (unpublished)", Catalogue of Eggen's UBV Data.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, doi:10.1051/0004-6361:20011586, Bibcode: 2002A&A...382..118T, https://zenodo.org/record/896317
- ↑ 4.0 4.1 4.2 4.3 4.4 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, doi:10.1051/0004-6361/200811191, Bibcode: 2009A&A...501..941H
- ↑ Olevic, D.; Jovanovic, P. (2001), "New Orbital Elements for 5 Double Stars", Serbian Astronomical Journal 164 (164): 7, doi:10.2298/SAJ0164007O, Bibcode: 2001SerAJ.164....7O
- ↑ Malkov, O. Yu. et al. (2012), "Dynamical Masses of a Selected Sample of Orbital Binaries", Astronomy & Astrophysics 546: 5, doi:10.1051/0004-6361/201219774, A69, Bibcode: 2012A&A...546A..69M
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