BD-17°63 b

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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
Distance 116 ± 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
SIMBAD data

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.

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