HD 181342 b

HD 181342 b
Exoplanet List of exoplanets
Parent star
Star HD 181342
Constellation Sagittarius
Right ascension (α) 19h 21m 04s
Declination (δ) −23° 37 10
Apparent magnitude (mV) 7.55
Distance360.7 ± 24.5 ly
(110.6 ± 7.5 pc)
Spectral type K0III
Mass (m) 1.84 ± 0.13 M
Radius (r) 4.6 ± 0.1 R
Temperature (T) 5014 ± 44 K
Metallicity [Fe/H] 0.26 ± 0.03
Age 1.8 ± 0.4 Gyr
Orbital elements
Semi-major axis(a) 1.78 ± 0.07 AU
Eccentricity (e) 0.177 ± 0.057
Orbital period(P) 663 ± 29 d
Physical characteristics
Minimum mass(m sin i)3.3 ± 0.2 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
SIMBADdata
Exoplanet Archivedata
Open Exoplanet Cataloguedata

HD 181342 b is an extrasolar planet orbiting the K-type star HD 181342 approximately 361 light years away in the constellation Sagittarius.[1]

See also

References

  1. Johnson, John Asher; et al. (2010). "Retired A Stars and Their Companions IV. Seven Jovian Exoplanets from Keck Observatory". Publications of the Astronomical Society of the Pacific 122 (892): 701–711. arXiv:1003.3445 [astro-ph.EP]. Bibcode:2010PASP..122..701J. doi:10.1086/653809.

External links

Coordinates: 19h 21m 04s, −23° 37′ 10″

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