HD 200661

HD 200661 is a K-type star in the constellation Equuleus.

HD 200661

Observation data Epoch J2000      Equinox J2000
Constellation	Equuleus
Right ascension	21^h 04^m 41.64012^s[1]
Declination	02° 56′ 32.1839″[1]
Apparent magnitude (V)	6.41
Characteristics
Spectral type	K0III[2]
Astrometry
Radial velocity (Rv)	−12.10[3] km/s
Proper motion (μ)	RA: 12.63[1] mas/yr Dec.: 5.44[1] mas/yr
Parallax (π)	6.62 ± 0.54[1] mas
Distance	490 ± 40 ly (150 ± 10 pc)
Absolute magnitude (MV)	+1.06[4]
Details
Radius	96[5] R☉
Luminosity	70[5] L☉
Temperature	4,926[5] K
Metallicity [Fe/H]	−0.21[4] dex
Other designations
HIP 104041, HR 8067, HD 200661, BD+02°4297
Database references
SIMBAD	data

References

1. Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.
2. Houk, N.; Swift, C. (1999). "Michigan catalogue of two-dimensional spectral types for the HD Stars, Vol. 5". Michigan Spectral Survey. 05: 0. Bibcode:1999MSS...C05....0H.
3. Famaey, B.; Jorissen, A.; Luri, X.; Mayor, M.; Udry, S.; Dejonghe, H.; Turon, C. (2005). "Local kinematics of K and M giants from CORAVEL/Hipparcos/Tycho-2 data. Revisiting the concept of superclusters". Astronomy and Astrophysics. 430: 165. arXiv:astro-ph/0409579. Bibcode:2005A&A...430..165F. doi:10.1051/0004-6361:20041272.
4. Bartkevicius, A.; Lazauskaite, R. (1997). "Classification of Population II Stars in the Vilnius Photometric System. II. Results". Baltic Astronomy. 6: 499. Bibcode:1997BaltA...6..499B. doi:10.1515/astro-1997-0402.
5. McDonald, I.; Zijlstra, A. A.; Boyer, M. L. (2012). "Fundamental parameters and infrared excesses of Hipparcos stars". Monthly Notices of the Royal Astronomical Society. 427: 343. arXiv:1208.2037. Bibcode:2012MNRAS.427..343M. doi:10.1111/j.1365-2966.2012.21873.x.