HD 24040

HD 24040
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Taurus
Right ascension 03h 50m 22.968s[1]
Declination +17° 28′ 34.92″[1]
Apparent magnitude (V) 7.52
Characteristics
Spectral type G0
Astrometry
Proper motion (μ) RA: 113.79 ± 0.79[1] mas/yr
Dec.: −252.18 ± 0.67[1] mas/yr
Parallax (π)21.46 ± 0.75[1] mas
Distance152 ± 5 ly
(47 ± 2 pc)
Details
Mass1.14 ± 0.02[2] M☉
Radius1.28 ± 0.03[2] R☉
Luminosity1.81 ± 0.01[2] L☉
Surface gravity (log g)4.27 ± 0.02[2] cgs
Temperature5917 ± 52[2] K
Age4.8 ± 0.8[2] Gyr
Other designations
BD+17°638, HIP 17960, LTT 11274, NLTT 11955, SAO 93630
Database references
SIMBADdata

HD 24040 is a G-type star located approximately 152 light-years away in the constellation of Taurus. In 2006 a long-period planet was discovered.[3]

The HD 24040 planetary system[4]
Companion
(in order from star)		 Mass Semimajor axis
(AU)		 Orbital period
(days)		 Eccentricity Inclination Radius
b >4.01±0.49 MJ 4.92±0.38 3668+169
−171		 0.04+0.07
−0.06		 — —

See also

References

  1. 1 2 3 4 5 van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. Bibcode:2007A&A...474..653V. arXiv:0708.1752 Freely accessible. doi:10.1051/0004-6361:20078357.Vizier catalog entry
  2. 1 2 3 4 5 6 Bonfanti, A.; et al. (2015). "Revising the ages of planet-hosting stars". Astronomy and Astrophysics. 575. A18. Bibcode:2015A&A...575A..18B. arXiv:1411.4302 Freely accessible. doi:10.1051/0004-6361/201424951.
  3. ↑ Wright, J. T.; et al. (2007). "Four New Exoplanets and Hints of Additional Substellar Companions to Exoplanet Host Stars". The Astrophysical Journal. 657 (1): 533–545. Bibcode:2007ApJ...657..533W. arXiv:astro-ph/0611658 Freely accessible. doi:10.1086/510553.
  4. ↑ Boisse, I.; et al. (2012). "The SOPHIE search for northern extrasolar planets. V. Follow-up of ELODIE candidates: Jupiter-analogs around Sun-like stars". Astronomy and Astrophysics. 545. A55. Bibcode:2012A&A...545A..55B. arXiv:1205.5835 Freely accessible. doi:10.1051/0004-6361/201118419.

Coordinates: 03h 50m 22.9681s, +17° 28′ 34.919″

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