HD 136418 b

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HD 136418 b
Extrasolar planet List of extrasolar planets
Parent star
Star HD 136418
Constellation Boötes
Right ascension (α) 15h 19m 07s
Declination (δ) +41° 43′ 60″
Apparent magnitude (mV) 7.88
Distance 320.3 ± 18 ly
(98.2 ± 5.6 pc)
Spectral type G5
Mass (m) 1.33 ± 0.09 M
Radius (r) 3.4 ± 0.1 R
Temperature (T) 5071 ± 44 K
Metallicity [Fe/H] -0.07 ± 0.03
Age 4 ± 1 Gyr
Orbital elements
Semimajor axis (a) 1.32 ± 0.3 AU
Eccentricity (e) 0.255 ± 0.041
Orbital period (P) 464.3 ± 3.2 d
Physical characteristics
Minimum mass (m sin i) 2 ± 0.1 MJ
Discovery information
Discovery date 2010-03-17
Discoverer(s) Howard et al.
Discovery method Doppler spectroscopy
Discovery status
Database references
Extrasolar Planets
Encyclopaedia
data
SIMBAD data

HD 136418 b is an extrasolar planet orbiting the G-type star HD 136418 approximately 320 light years away in the constellation Boötes[1] It has a notable orbit, staying within the known Habitable zone. It also has a star very similar in temperature as the sun.[2]

See also[edit]

References[edit]

  1. ^ Johnson, John Asher,et al. (2010). "Retired A Stars and Their Companions IV. Seven Jovian Exoplanets from Keck Observatory". arXiv:1003.3445v1 [astro-ph.EP].
  2. ^ http://planetquest.jpl.nasa.gov/atlas/atlas_profile.cfm?Star=542

External links[edit]

Coordinates: Sky map 15h 19m 07s, +41° 43′ 60″