HD 168746 b

HD 168746 b
Exoplanet List of exoplanets
Parent star
Star HD 168746
Constellation Serpens
Right ascension (α) 18h 21m 49.7827s[1]
Declination (δ) −11° 55′ 21.652″[1]
Distance137±2[1] ly
(42.0±0.5[1] pc)
Spectral type G5V
Orbital elements
Semi-major axis(a) 0.065 AU
Eccentricity (e) 0.081 ± 0.029
Orbital period(P) 6.403 ± 0.001 d
Argument of
periastron		 (ω) 16.30 ± 20.88°
Time of periastron (T0) 2,451,994.7 ± 0.4 JD
Semi-amplitude (K) 28.6 ± 1.7 m/s
Physical characteristics
Minimum mass(m sin i)0.23 MJ
(73 M⊕)
Discovery information
Discovery date April 15, 2000[2]
Discoverer(s) Pepe, Mayor,
Galland et al.
Discovery method Doppler spectroscopy
(CORALIE)
Discovery site La Silla Observatory
Discovery status Published[3]
Database references
Extrasolar Planets
Encyclopaedia		data
SIMBADdata
Exoplanet Archivedata
Open Exoplanet Cataloguedata

HD 168746 b is an extrasolar planet orbiting the star HD 168746.[2] It has a minimum mass about one fourth that of Jupiter, so it is most likely a gas giant. It orbits very near the star in a so-called "torch orbit" completing one revolution in only about six and half days.[3]

See also

References

  1. 1 2 3 4 Brown, A. G. A; et al. (2016). "Gaia Data Release 1. Summary of the astrometric, photometric, and survey properties". Astronomy and Astrophysics. 595. A2. arXiv:1609.04172. Bibcode:2016A&A...595A...2G. doi:10.1051/0004-6361/201629512. Gaia Data Release 1 catalog entry
  2. 1 2 "Exoplanets Galore!" (Press release). Garching, Germany: European Southern Observatory. April 15, 2000. Retrieved December 30, 2012.
  3. 1 2 Pepe, F.; et al. (2002). "The CORALIE survey for southern extra-solar planets VII. Two short-period Saturnian companions to HD 108147 and HD 168746". Astronomy and Astrophysics. 388 (2): 632–638. arXiv:astro-ph/0202457. Bibcode:2002A&A...388..632P. doi:10.1051/0004-6361:20020433.
  • "HD 168746". Exoplanets.

Coordinates: 18h 21m 49.7832s, −11° 55′ 21.660″


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