Astronomy:HD 200375
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Short description: Binary star system in the constellation Aquarius
| Observation data Equinox J2000.0]] (ICRS) | |
|---|---|
| Constellation | Aquarius[1] |
| Right ascension | 21h 03m 03.02378s[2] |
| Declination | +01° 31′ 55.4137″[2] |
| Apparent magnitude (V) | 6.23[3] |
| Characteristics | |
| Spectral type | F5/6V[4] |
| U−B color index | −0.01[3] |
| B−V color index | +0.47[3] |
| Astrometry | |
| Radial velocity (Rv) | 8.77±0.34[5] km/s |
| Proper motion (μ) | RA: −110.79[2] mas/yr Dec.: −53.84[2] mas/yr |
| Parallax (π) | 14.12 ± 0.64[2] mas |
| Distance | 230 ± 10 ly (71 ± 3 pc) |
| Absolute magnitude (MV) | 1.98[6] |
| Orbit[7] | |
| Period (P) | 840±380 yr |
| Semi-major axis (a) | 1.84±0.42″ |
| Eccentricity (e) | 0.45±0.13 |
| Inclination (i) | 133±7° |
| Longitude of the node (Ω) | 105±17° |
| Periastron epoch (T) | 2076±15 |
| Argument of periastron (ω) (secondary) | 59±20° |
| Details | |
| A | |
| Mass | 1.53[8] M☉ |
| Radius | 2.9[9] R☉ |
| Luminosity | 13[9] L☉ |
| Temperature | 6,386[9] K |
| B | |
| Mass | 1.40[8] M☉ |
| Temperature | 5,045[10] K |
| Other designations | |
| A: TYC 526-1953-1 | |
| B: TYC 526-1953-2 | |
| Database references | |
| SIMBAD | data |
| A | |
| B | |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) | |
HD 200375 is a binary star[6] system in the equatorial constellation of Aquarius.
References
- ↑ Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters 38 (5): 331. doi:10.1134/S1063773712050015. Bibcode: 2012AstL...38..331A.
- ↑ 2.0 2.1 2.2 2.3 2.4 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.
- ↑ 3.0 3.1 3.2 Mermilliod, J.-C. (1986). "Compilation of Eggen's UBV data, transformed to UBV (unpublished)". Catalogue of Eggen's UBV Data. SIMBAD. Bibcode: 1986EgUBV........0M.
- ↑ Houk, N.; Swift, C. (1999). "Michigan catalogue of two-dimensional spectral types for the HD Stars, Vol. 5". Michigan Spectral Survey 5. Bibcode: 1999MSS...C05....0H.
- ↑ 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.
- ↑ 6.0 6.1 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.
- ↑ Izmailov, Igor; Khovritchev, Maxim (January 2025). "New Orbital Parameters of 850 Wide Visual Binary Stars and Their Statistical Properties" (in en). Research in Astronomy and Astrophysics 25 (1): 015016. doi:10.1088/1674-4527/ad9da3. ISSN 1674-4527. Bibcode: 2025RAA....25a5016I.
- ↑ 8.0 8.1 Tokovinin, Andrei (2018). "The Updated Multiple Star Catalog". The Astrophysical Journal Supplement Series 235 (1): 6. doi:10.3847/1538-4365/aaa1a5. Bibcode: 2018ApJS..235....6T.
- ↑ 9.0 9.1 9.2 Schofield, Mathew; Chaplin, William J.; Huber, Daniel; Campante, Tiago L.; Davies, Guy R.; Miglio, Andrea; Ball, Warrick H.; Appourchaux, Thierry et al. (2019). "The Asteroseismic Target List for Solar-like Oscillators Observed in 2 minute Cadence with the Transiting Exoplanet Survey Satellite". The Astrophysical Journal Supplement Series 241 (1): 12. doi:10.3847/1538-4365/ab04f5. Bibcode: 2019ApJS..241...12S.
- ↑ Stevens, Daniel J.; Stassun, Keivan G.; Gaudi, B. Scott (2017). "Empirical Bolometric Fluxes and Angular Diameters of 1.6 Million Tycho-2 Stars and Radii of 350,000 Stars with Gaia DR1 Parallaxes". The Astronomical Journal 154 (6): 259. doi:10.3847/1538-3881/aa957b. Bibcode: 2017AJ....154..259S.
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