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HD 147513 b

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HD 147513 b

HD 147513 b
Extrasolar planet List of extrasolar planets

Artist's conception of HD 147513 b, as a jovian planet.
Parent star
Star HD 147513
Constellation Scorpius
Right ascension (α) 16h 24m 01.2899s
Declination (δ) –39° 11′ 34.729″
Distance41.96 ly
(12.87 pc)
Spectral type G5V
Orbital elements
Semimajor axis(a) 1.32 AU
Periastron (q) 0.98 AU
Apastron (Q) 1.66 AU
Eccentricity (e) 0.26 ± 0.05
Orbital period(P) 528.4 ± 6.3 d
(1.4467 y)
Argument of
periastron
(ω) 282 ± 9°
Time of periastron (T0) 2,451,123 ± 20 JD
Semi-amplitude (K) 29.3 ± 1.8 m/s
Physical characteristics
Minimum mass(m sin i)>1.21 MJ
Discovery information
Discovery date June 19, 2002
Discoverer(s) Mayor et al.
Discovery method Radial velocity
Discovery site  France
Discovery status Published

HD 147513 b is an extrasolar planet approximately 42 light years away in the constellation of Scorpius. The planet has at least 21% more massive than Jupiter. But unlike Jupiter, it orbits the star much closer, mean distance being only a third more than Earth's distance from the Sun. The orbit is also eccentric; at periastron, the planet is closer to the star than Earth is from the Sun, whereas at apastron, the planet is further from the star than Mars to the Sun finding itself on the outer edge of the habitable zone.[1][2]

References

, −39° 11′ 34.729″


ru:HD 147513#Планета
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