11 Comae Berenices b

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11 Comae Berenices b
Exoplanet List of exoplanets
Parent star
Star 11 Comae Berenices
Constellation Coma Berenices
Right ascension (α) 12h 20m 43.027s[1]
Declination (δ) +17° 47′ 34.33″[1]
Distance290±6[1] ly
(89±2[1] pc)
Spectral type K0 III[2]
Orbital elements
Semi-major axis(a) 1.29 ± 0.05 AU
Eccentricity (e) 0.231 ± 0.005
Orbital period(P) 326.03 ± 0.32 d
Argument of
periastron
(ω) 94.8 ± 1.5°
Time of periastron (T0) 2452899.6 ± 1.6 JD
Physical characteristics
Minimum mass(m sin i)19.4 ± 1.5 MJ
Discovery information
Discovery date 2007
Discoverer(s) Liu, Y.-J.
Discovery method Radial Velocity
Discovery status Published
Other designations
HR 4697 b, HD 107383 b, SAO 100053 b, 2MASS J12204305+1747341 b, TYC 1445-02560-1 b, BD+18 2592 b, WDS J12207+1748 A b, HIP 60202 b

11 Comae Berenices b, (11 Com b) is an extrasolar planet orbiting the star 11 Comae Berenices, approximately 360.79lys away in the constellation of Coma Berenices. It is a massive planet with an estimated minimum mass of 19.4 Jupiters with an orbit around its parent star of 1.29AU. It was discovered in 2007 from discoverer Liu, Y.-J. by radial velocity.[3]

References[edit]

  1. ^ a b c d van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752Freely accessible. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry
  2. ^ von Braun, Kaspar; et al. (2014). "Stellar diameters and temperatures – V. 11 newly characterized exoplanet host stars". Monthly Notices of the Royal Astronomical Society. 438 (3): 2413–2425. arXiv:1312.1792Freely accessible. Bibcode:2014MNRAS.438.2413V. doi:10.1093/mnras/stt2360. 
  3. ^ Liu, Y.‐J.; et al. (2008). "A Substellar Companion to the Intermediate‐Mass Giant 11 Comae". The Astrophysical Journal. 672: 553–557. arXiv:0709.0645Freely accessible. Bibcode:2008ApJ...672..553L. doi:10.1086/523297. 

External links[edit]

  • California Institute of Technology. "11 Com b". Retrieved 25 January 2014. 
  • Extrasolar Planets Encyclopaedia. "11 Com b". Retrieved 25 January 2014. 
  • Exoplanet Orbit Database. "Exoplanets - Detail View". Retrieved 25 January 2014. 

Coordinates: Sky map 12h 20m 43.03s, +17° 47′ 34.3″