Gliese 167

From Wikipedia, the free encyclopedia
Gliese 167
Observation data
Epoch J2000      Equinox J2000
Constellation Dorado
Right ascension 04h 15m 56.9017s[1]
Declination −53° 18′ 35.306″[1]
Apparent magnitude (V) 7.634[2]
Characteristics
Spectral type K4.5 V(k)[2]
U−B color index +1.084[2]
B−V color index +1.125[2]
V−R color index +0.667[2]
Astrometry
Radial velocity (Rv)−23.40 ± 0.3[3] km/s
Proper motion (μ) RA: 784.67[4] mas/yr
Dec.: 396.69[4] mas/yr
Parallax (π)76.80 ± 0.22[1] mas
Distance42.5 ± 0.1 ly
(13.02 ± 0.04 pc)
Details
Mass0.736[5] M☉
Radius0.71[5] R☉
Surface gravity (log g)4.63[5] cgs
Temperature4726.6[6] K
Metallicity [Fe/H]−0.15[6] dex
Age2.04[5] Gyr
Other designations
CD−53° 889, GJ 167, HD 27274, HIP 19884, SAO 233456
Database references
SIMBADdata
ARICNSdata

Gliese 167 is a star in the constellation Dorado. It has an apparent magnitude of 7.634.[2] Based on parallax measurements by Gaia, the star is known to be located 42.5 light-years (13.02 parsecs) away.[1]

The star is a K-type main-sequence star.[2] It has 73.6% of the mass of the Sun, and is 71% as wide.[5] It is also cooler than the Sun with a surface temperature of about 4,700 K.[6]

References[]

  1. ^ a b c d Gaia Collaboration (2016). "Gaia Data Release 1". Astronomy & Astrophysics. 595: A2. arXiv:1609.04172. Bibcode:2016A&A...595A...2G. doi:10.1051/0004-6361/201629512. S2CID 1828208.
  2. ^ a b c d e f g Koen, C.; Kilkenny, D.; van Wyk, F.; Marang, F. (2010). "UBV(RI)C JHK observations of Hipparcos-selected nearby stars". Monthly Notices of the Royal Astronomical Society. 403 (4): 1949–1968. Bibcode:2010MNRAS.403.1949K. doi:10.1111/j.1365-2966.2009.16182.x.
  3. ^ Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759–771. arXiv:1606.08053. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065. S2CID 119231169.
  4. ^ a b 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.
  5. ^ a b c d e Takeda, G.; et al. (2007). "Stellar parameters of nearby cool stars. II. Physical properties of ~1000 cool stars from the SPOCS catalog". Astrophysical Journal Supplement Series. 168: 297–318. arXiv:astro-ph/0607235. Bibcode:2007ApJS..168..297T. doi:10.1086/509763. S2CID 18775378.
  6. ^ a b c Mortier, A.; et al. (2013). "On the functional form of the metallicity-giant planet correlation". Astronomy & Astrophysics. 551: A112. arXiv:1302.1851. Bibcode:2013A&A...551A.112M. doi:10.1051/0004-6361/201220707. S2CID 56350455.


Stub icon

This main-sequence-star-related article is a stub. You can help Wikipedia by .

  • v
  • t
Retrieved from ""