BD-17°63 b

BD-17°63 b
Extrasolar planet List of extrasolar planets
Parent star
Star BD-17°63
Constellation Cetus
Right ascension (α) 00h 28m 34.31s[1]
Declination (δ) –16° 13 34.8[1]
Apparent magnitude (mV) 9.62
Distance116 ± 5[1] ly
(36 ± 2[1] pc)
Spectral type K5V
Orbital elements
Semimajor axis(a) 1.34 ± 0.02 AU
(200 ± 3 Gm)
    38.7 mas
Periastron (q) 0.62 AU
(93 Gm)
Apastron (Q) 2.06 AU
(308 Gm)
Eccentricity (e) 0.54 ± 0.005
Orbital period(P) 655.6 ± 0.6 d
(1.795 ± 0.001 y)
Orbital speed (υ) 22.3 km/s
Argument of
periastron
(ω) 112.2 ± 1.9°
Time of periastron (T0) 2,454,627.1 ± 1.5 JD
Physical characteristics
Minimum mass(m sin i)5.1 ± 0.12 MJ
(1620 ± 38 M)
Discovery information
Discovery date October 26, 2008
Discoverer(s) Moutou et al.
Discovery method Doppler spectroscopy
(HARPS)
Discovery site La Silla Observatory
Discovery status Published
Other designations
HIP 2247 b
Database references
Extrasolar Planets
Encyclopaedia
data
SIMBADdata
Exoplanet Archivedata
Open Exoplanet Cataloguedata

BD-17°63 b is an extrasolar planet located approximately 113 light-years away in the constellation of Cetus, orbiting the 10th magnitude K-type main sequence star BD-17°63. This planet has a minimum mass of 5.1 MJ and orbits at a distance of 1.34 astronomical units from the star. The distance ranges from 0.62 AU to 2.06 AU, corresponding to the eccentricity of 0.54. One revolution takes about 656 days.[2]

This planet was discovered on October 26, 2008 by Moutou et al. using the HARPS spectrograph on ESO’s 3.6 meter telescope installed at La Silla Observatory in Atacama desert, Chile.

See also

References

External links

Coordinates: 00h 28m 34.3061s, −16° 13′ 34.839″