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CoRoT-16b

From Wikipedia, the free encyclopedia
Extrasolar planet in the constellation Scutum
CoRoT-16b
CoRoT-16 (white) compared to Jupiter using the best radius estimate.
CoRoT-16 compared to Jupiter
Discovery[1]
Discovered byOllivier et al.
Discovery siteCoRoT space telescope
Discovery date10 June 2011
Transit
Orbital characteristics
Apastron0.0847 AU (12,670,000 km)
Periastron0.0389 AU (5,820,000 km)
0.0618 ± 0.0015 AU (9,250,000 ± 220,000 km)[1]
Eccentricity0.37+0.11
−0.12
[2]
5.35227±0.00020 d[1]
Inclination85.01°+0.94°
−1.20°
[1]
2,454,923.9145±0.0022 JD[2]
161°+33°
−29°
[2]
Semi-amplitude62.6+11.0
−9.9
 km/s
[2]
StarCoRoT-16
Physical characteristics
1.17+0.14
−0.16
 RJ
[2]
Mass0.529+0.098
−0.096
 MJ
[2]
0.41+0.22
−0.14
 g/cm3
[2]
Temperature1,086 K (813 °C; 1,495 °F)[3]

CoRoT-16b is a transitingexoplanet orbiting the G or K typemain sequence starCoRoT-16 2,433light years[4] away in the southernconstellationScutum. The planet was discovered in June 2011 by the French-led CoRoT mission. CoRoT-16b was detected using the transit method, which measures the brightness changes during an eclipse. However, this planet has an eccentric orbit, which is unusual due to CoRoT-16b's proximity to its parent star and the age.[1]

Due to its orbit, CoRoT-16b is classified as a "hot Jupiter". It only takes about 5 days to orbit CoRoT-16, but has an unusually eccentric orbit. CoRoT-16b has 52.9% the mass ofJupiter, but is 17% larger than the latter. Due to the low mass and high radius, CoRoT-16b has 41% the density of water; the orbit gives it anequilibrium temperature of 1,086K. However, this is only an estimate due to the eccentricity of CoRoT-16b.

References

[edit]
  1. ^abcdeOllivier, M.; et al. (May 2012)."Transiting exoplanets from the CoRoT space mission. XXII. CoRoT-16b: a hot Jupiter with a hint of eccentricity around a faint solar-like star".Astronomy and Astrophysics.541: A149.Bibcode:2012A&A...541A.149O.doi:10.1051/0004-6361/201117460.ISSN 0004-6361.
  2. ^abcdefgBonomo, A. S.; et al. (1 June 2017)."The GAPS Programme with HARPS-N at TNG . XIV. Investigating giant planet migration history via improved eccentricity and mass determination for 231 transiting planets".Astronomy and Astrophysics.602: A107.arXiv:1704.00373.Bibcode:2017A&A...602A.107B.doi:10.1051/0004-6361/201629882.ISSN 0004-6361.
  3. ^"Open Exoplanet Catalogue - CoRoT-16b".Open Exoplanet Catalogue. Retrieved24 November 2021.
  4. ^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 atVizieR.
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