HD 114386

HD 114386 is a 9th magnitude star located approximately 91 light years away in the constellation of Centaurus. It is an orange dwarf, and rather dim compared to our Sun. To see it, one needs a telescope or good binoculars.

HD 114386
Observation data
Epoch J2000      Equinox J2000
Constellation Centaurus
Right ascension  13h 10m 39.8240s[1]
Declination −35° 03′ 17.215″[1]
Apparent magnitude (V) 8.73[2]
Characteristics
Spectral type K3V[2]
B−V color index 0.982[2]
Astrometry
Radial velocity (Rv)33.350 ± 0.0004[3] km/s
Proper motion (μ) RA: −137.097[1] mas/yr
Dec.: −324.880[1] mas/yr
Parallax (π)35.7823 ± 0.0515[1] mas
Distance91.2 ± 0.1 ly
(27.95 ± 0.04 pc)
Absolute magnitude (MV)6.49[2]
Details
Mass0.60 ± 0.09[4] M☉
Radius0.76 ± 0.02[4] R☉
Luminosity0.29[2] L☉
Surface gravity (log g)4.45 ± 0.06[4] cgs
Temperature4836 ± 18[4] K
Metallicity [Fe/H]−0.05[4] dex
Rotational velocity (v sin i)1.0[2] km/s
Other designations
CD−34°8698, HIP 64295, SAO 204193, LTT 5041, NLTT 33118[5]
Database references
SIMBADdata
Extrasolar Planets
Encyclopaedia		data

In 2004, the Geneva Extrasolar Planet Search Team announced the discovery of an extrasolar planet orbiting the star.

The HD 114386 planetary system[2]
Companion
(in order from star)		 Mass Semimajor axis
(AU)		 Orbital period
(days)		 Eccentricity Inclination Radius
b 0.37 MJ 1.65 [6] 445 0.12 — —
c 1.19 MJ 1.83 1046 0.06 — —

See also

References
  1. Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051.
  2. Mayor, M.; et al. (2004). "The CORALIE survey for southern extra-solar planets XII. Orbital solutions for 16 extra-solar planets discovered with CORALIE". Astronomy and Astrophysics. 415 (1): 391–402. arXiv:astro-ph/0310316. Bibcode:2004A&A...415..391M. doi:10.1051/0004-6361:20034250.
  3. Soubiran, C.; Jasniewicz, G.; Chemin, L.; Zurbach, C.; Brouillet, N.; Panuzzo, P.; Sartoretti, P.; Katz, D.; Le Campion, J. -F.; Marchal, O.; Hestroffer, D.; Thévenin, F.; Crifo, F.; Udry, S.; Cropper, M.; Seabroke, G.; Viala, Y.; Benson, K.; Blomme, R.; Jean-Antoine, A.; Huckle, H.; Smith, M.; Baker, S. G.; Damerdji, Y.; Dolding, C.; Frémat, Y.; Gosset, E.; Guerrier, A.; Guy, L. P.; et al. (2018). "Gaia Data Release 2. The catalogue of radial velocity standard stars". Astronomy and Astrophysics. 616: A7. arXiv:1804.09370. Bibcode:2018A&A...616A...7S. doi:10.1051/0004-6361/201832795. S2CID 52952408.
  4. Stassun, Keivan G.; Collins, Karen A.; Gaudi, B. Scott (2017). "Accurate Empirical Radii and Masses of Planets and Their Host Stars with Gaia Parallaxes". The Astronomical Journal. 153 (3): 136. arXiv:1609.04389. Bibcode:2017AJ....153..136S. doi:10.3847/1538-3881/aa5df3. S2CID 119219062.
  5. "HD 114386". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-06-25.

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