HD 142415 b

HD 142415 b
Exoplanet List of exoplanets
Parent star
Star HD 142415
Constellation Norma
Right ascension (α) 15h 57m 40.7907s
Declination (δ) −60° 12′ 00.926″
Distance113 ly
(34.6 pc)
Spectral type G1V
Orbital elements
Semi-major axis(a) 1.07 AU
Periastron (q) 0.535 AU
Apastron (Q) 1.605 AU
Eccentricity (e) 0.5
Orbital period(P) 386.3±1.6 d
(1.058 y)
Orbital speed (υ) 30.2 km/s
Argument of
periastron		 (ω) 255 ± 4°
Time of periastron (T0) 2,451,519 ± 4 JD
Semi-amplitude (K) 51.3 ± 2.3 m/s
Physical characteristics
Minimum mass(m sin i)1.69 MJ
(537 M⊕)
Discovery information
Discovery date 30 June 2003
Discoverer(s) Mayor et al.
Discovery method doppler spectroscopy
(CORALIE)
Discovery site La Silla Observatory
Discovery status Published
Other designations
HIP 78169 b
Database references
Extrasolar Planets
Encyclopaedia		data
SIMBADdata
Exoplanet Archivedata
Open Exoplanet Cataloguedata

HD 142415 b is an exoplanet with the semi-amplitude of 51.3 ± 2.3 m/s. This indicates the minimum mass of 1.69 Jupiter mass, an orbital period of 386.3 days, and the semi-major axis of 1.07 astronomical units based from its stellar mass. The wild, oval pathed wobble of the star used by Doppler spectrometer indicates that the orbit of the planet is highly eccentric at around 50%.[1]

The planet was discovered in La Silla Observatory on 30 June 2003 by Mayor, who used the CORALIE spectrograph.

See also

References

  1. ↑ Mayor, M.; et al. (2004). "The CORALIE survey for southern extra-solar planets XII. Orbital solutions for 16 extra-solar planets discovered with CORALIE". Astronomy and Astrophysics. 415 (1): 391–402. arXiv:astro-ph/0310316. Bibcode:2004A&A...415..391M. doi:10.1051/0004-6361:20034250.
  • "HD 142415". Exoplanets.

Coordinates: 15h 57m 40.7907s, −60° 12′ 00.926″


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