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HD 181342 b

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Exoplanet orbiting the star HD 181342 in the constellation Saggitarius
HD 181342 b / Dopere
Discovery
Discovered byJohnson et al.
Discovery siteKeck Observatory
Discovery date2010
Detection methodDoppler spectroscopy
Orbital characteristics
Semi-major axis1.592±0.091 AU
Eccentricity0.022±0.051
Orbital period (sidereal)564.1±4.1 d
Time of perihelion2461090±220 JD
Argument of perihelion290±110 º
Semi-amplitude44.1±3.3 m/s
StarHD 181342
Physical characteristics
Mass≥2.54±0.19 MJ

HD 181342 b is an extrasolar planet orbiting the K-type star HD 181342 approximately 394 light years away in the constellation Sagittarius.

The planet HD 181342 b is named Dopere. The name was selected in the NameExoWorlds campaign by Senegal, during the 100th anniversary of the IAU. Dopere is an expansive historical area in the north of Senegal where Belel (name of HD 181342) was located.

See also

References

  1. ^ Johnson, John Asher; et al. (2010). "Retired a Stars and Their Companions. IV. Seven Jovian Exoplanets from Keck Observatory". Publications of the Astronomical Society of the Pacific. 122 (892): 701–711. arXiv:1003.3445. Bibcode:2010PASP..122..701J. doi:10.1086/653809.
  2. ^ Luhn, Jacob K.; et al. (2019). "Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts". The Astronomical Journal. 157 (4). 149. arXiv:1811.03043. Bibcode:2019AJ....157..149L. doi:10.3847/1538-3881/aaf5d0. S2CID 102486961.
  3. Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
  4. "Approved names". NameExoworlds. Retrieved 2020-01-02.
  5. "International Astronomical Union | IAU". www.iau.org. Retrieved 2020-01-02.

External links



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