HD 126614

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HD 126614
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Virgo
Right ascension 14h 26m 48.281s[1]
Declination –05° 10′ 40.01″[1]
Apparent magnitude (V) 8.7
Characteristics
Spectral type K0 / M
Apparent magnitude (B) 9.9
Apparent magnitude (J) 7.470
Apparent magnitude (H) 7.160
Apparent magnitude (K) 7.060
B−V color index 1.2
Variable type none
Astrometry
Proper motion (μ) RA: -152.04 ± 0.86[1] mas/yr
Dec.: -147.93 ± 0.76[1] mas/yr
Parallax (π) 13.77 ± 0.96[1] mas
Distance 240 ± 20 ly
(73 ± 5 pc)
Absolute magnitude (MV) 4.5
Details
Mass 1.145 M
Radius 1.09 R
Luminosity 1.21 L
Surface gravity (log g) 4.39 cgs
Temperature 5585 K
Metallicity +0.56
Rotation ~99 days
Rotational velocity (v sin i) 2.0 ± 0.5 km/s
Age 7.2 ± 2.0 Gyr
Other designations
BD–04°3690, G 124-40, HIP 70623, LTT 5698, NLTT 37355, PPM 197558, SAO 139932
Database references
SIMBAD data
Exoplanet Archive data
Extrasolar Planets
Encyclopaedia
data

HD 126614 is a 9th magnitude trinary star located approximately 240 light years away in the constellation Virgo. HD 126614 A is a K-type star while HD 126614 B and NLTT 37349 are M-type stars. Star A is larger, cooler, brighter, and more massive than our Sun. Also its metal content is 3.6 times as much as the Sun, the highest metallicity planet-hosting star discovered in 2009.

The HD 126614 planetary system[2]
Companion
(in order from star)
Mass Semimajor axis
(AU)
Orbital period
(days)
Eccentricity Inclination Radius
b ≥0.38 ± 0.04 MJ 2.35 ± 0.02 1244 ± 17 0.41 ± 0.10

See also[edit]

References[edit]

  1. ^ a b c d e 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.  Vizier catalog entry
  2. ^ Howard, Andrew W. et al. (2010). "The California Planet Survey. I. Four New Giant Exoplanets". The Astrophysical Journal 721 (2): 1467–1481. arXiv:1003.3488. Bibcode:2010ApJ...721.1467H. doi:10.1088/0004-637X/721/2/1467. 

Coordinates: Sky map 14h 26m 48.2804s, −05° 10′ 40.009″