CoRoT-20c: Difference between revisions
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{{short description|Exoplanet}} |
{{short description|Exoplanet}} |
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{{Infobox planet |
{{Infobox planet |
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| name |
| name = CoRoT-20c |
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| symbol |
| symbol = |
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| image |
| image = |
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| image_size |
| image_size = |
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| image_alt |
| image_alt = |
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| caption |
| caption = |
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| background |
| background = |
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| bgcolour |
| bgcolour = |
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| label_width |
| label_width = <!-- DISCOVERY --> |
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| discoverer = [[High Accuracy Radial Velocity Planet Searcher|HARPS]] |
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<!-- DISCOVERY --> |
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| discovery_site = |
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| discoverer = [[High Accuracy Radial Velocity Planet Searcher|HARPS]] |
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| discovered = |
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| discovery_site = |
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| discovery_method = Radial velocity |
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| discovered = |
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| discovery_ref = <!-- DESIGNATIONS --> |
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| exosolar planets = |
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| discovery_ref = |
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| minorplanet = no |
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<!-- DESIGNATIONS --> |
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| extrasolarplanet = |
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| exosolar planets = |
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| mpc_name = |
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| minorplanet = |
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| pronounced = |
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| extrasolarplanet = |
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| named_after = |
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| mpc_name = |
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| alt_names = |
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| pronounced = |
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| mp_category = |
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| named_after = |
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| adjectives = <!-- ORBITAL --> |
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| orbit_ref = |
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| mp_category = |
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| orbit_diagram = |
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| adjectives = |
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| epoch = |
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<!-- ORBITAL --> |
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| uncertainty = |
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| orbit_ref = |
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| observation_arc = |
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| orbit_diagram = |
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| earliest_precovery_date = |
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| epoch = |
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| apsis = astron |
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| uncertainty = |
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| aphelion = |
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| observation_arc = |
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| perihelion = |
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| earliest_precovery_date = |
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| semimajor = {{convert|2.9|AU|km|abbr=on}}<ref name=EU>{{cite web |
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| apsis = astron |
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|url=https://exoplanet.eu/catalog/corot_20_c--6782/ |
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| aphelion = |
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|work=[[Extrasolar Planets Encyclopaedia]] |
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| perihelion = |
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| semimajor = {{convert|2.9|AU|km|abbr=on}}<ref name=EU>{{cite web |
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|url=http://exoplanet.eu/catalog/corot-20_c/ |
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|title=Notes on CoRoT-20 c |
|title=Notes on CoRoT-20 c |
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| |
|access-date=February 25, 2019}}</ref> |
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| mean_orbit_radius |
| mean_orbit_radius = |
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| eccentricity |
| eccentricity = 0.6 |
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| period |
| period = 1675 [[day|d]] |
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| synodic_period |
| synodic_period = |
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| avg_speed |
| avg_speed = |
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| mean_anomaly |
| mean_anomaly = |
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| mean_motion |
| mean_motion = |
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| inclination |
| inclination = |
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| angular_dist |
| angular_dist = |
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| asc_node = |
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| long_periastron = |
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| asc_node = |
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| time_periastron = |
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| long_periastron = |
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| arg_peri = |
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| time_periastron = |
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| semi-amplitude = |
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| arg_peri = |
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| satellite_of = |
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| semi-amplitude = |
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| satellites = |
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| satellite_of = |
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| star = {{ill|CoRoT-20|ru}} |
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| satellites = |
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| allsatellites = |
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| star = {{ill|COROT-20|ru}} |
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| tisserand = <!-- PHYS CHARS --> |
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| physical_ref = |
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| tisserand = |
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| dimensions = |
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<!-- PHYS CHARS --> |
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| mean_diameter = |
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| physical_ref = |
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| mean_radius = |
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| dimensions = |
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| equatorial_radius = |
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| mean_diameter = |
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| polar_radius = |
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| mean_radius = |
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| flattening = |
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| equatorial_radius = |
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| circumference = |
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| polar_radius = |
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| surface_area = |
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| flattening = |
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| volume = |
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| circumference = |
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| mass = above 17 {{Jupiter mass|link=y}} |
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| surface_area = |
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| density = |
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| volume = |
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| surface_grav = |
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| mass = above 17{{Jupiter mass|link=y}} |
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| density = |
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| surface_grav = |
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| moment_of_inertia_factor = |
| moment_of_inertia_factor = |
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| escape_velocity |
| escape_velocity = |
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| rotation |
| rotation = |
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| sidereal_day |
| sidereal_day = |
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| rot_velocity |
| rot_velocity = |
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| axial_tilt = |
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| right_asc_north_pole = |
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| axial_tilt = |
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| declination = |
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| right_asc_north_pole = |
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| pole_ecliptic_lat = |
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| declination = |
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| pole_ecliptic_lon = |
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| pole_ecliptic_lat = |
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| albedo = |
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| pole_ecliptic_lon = |
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| single_temperature = |
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| albedo = |
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| spectral_type = |
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| single_temperature = |
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| magnitude = |
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| spectral_type = |
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| abs_magnitude = |
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| magnitude = |
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| angular_size = |
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| abs_magnitude = |
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| family = <!-- ATMOSPHERE --> |
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| atmosphere_ref = |
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| family = |
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| atmosphere = |
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<!-- ATMOSPHERE --> |
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| scale_height = |
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| atmosphere_ref = |
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| surface_pressure = |
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| atmosphere = |
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| atmosphere_composition = <!-- NOTES --> |
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| note = |
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| surface_pressure = |
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| atmosphere_composition = |
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<!-- NOTES --> |
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| note = |
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}} |
}} |
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'''CoRoT-20c''' is |
'''CoRoT-20c''' is a [[brown dwarf]]-massed substellar companion found by the [[High Accuracy Radial Velocity Planet Searcher|HARPS]] radial-velocity search terrestrial telescope. |
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== Host star == |
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{{main|CoRoT-20}} |
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It is a [[brown dwarf]]-sized stellar companion orbiting a G2V star with T<sub>e</sub> = 5880K, M = 1.14[[Solar mass|M<sub>☉</sub>]], R = 0.92[[Solar radius|R<sub>☉</sub>]], and above-solar metallicity. It is a young planet, with an estimated age between 0.06 and 0.14 Gyr.<ref>{{cite journal |
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CoRoT-20c orbits [[CoRoT-20]], a G2V star in the constellation of [[Monoceros]]. It has T<sub>e</sub> = 5880K, M = 1.14[[Solar mass|M<sub>☉</sub>]], R = 0.92[[Solar radius|R<sub>☉</sub>]], and above-solar metallicity. |
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== Characteristics == |
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It is a young planet, with an estimated age between 0.06 and 0.14 Gyr.<ref>{{cite journal |
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|title=A 4.6-year period brown-dwarf companion interacting with the hot-Jupiter CoRoT-20 b |
|title=A 4.6-year period brown-dwarf companion interacting with the hot-Jupiter CoRoT-20 b |
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|doi=10.1051/0004-6361/201833180 |
|doi=10.1051/0004-6361/201833180 |
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==See also== |
==See also== |
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*[[ |
*[[CoRoT-20b]] |
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==References== |
==References== |
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{{Reflist}} |
{{Reflist}} |
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{{Monoceros}} |
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[[Category:Brown dwarfs]] |
[[Category:Brown dwarfs]] |
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[[Category:Exoplanets discovered in 2018]] |
[[Category:Exoplanets discovered in 2018]] |
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Revision as of 20:06, 20 January 2024
| Discovery | |
|---|---|
| Discovered by | HARPS |
| Radial velocity | |
| Orbital characteristics | |
| 2.9 AU (430,000,000 km)[1] | |
| Eccentricity | 0.6 |
| 1675 d | |
| Star | CoRoT-20 |
| Physical characteristics | |
| Mass | above 17 MJ |
CoRoT-20c is a brown dwarf-massed substellar companion found by the HARPS radial-velocity search terrestrial telescope.
Host star
CoRoT-20c orbits CoRoT-20, a G2V star in the constellation of Monoceros. It has Te = 5880K, M = 1.14M☉, R = 0.92R☉, and above-solar metallicity.
Characteristics
It is a young planet, with an estimated age between 0.06 and 0.14 Gyr.[2]
See also
References
- ^ "Notes on CoRoT-20 c". Extrasolar Planets Encyclopaedia. Retrieved February 25, 2019.
- ^ Rey, J.; Bouchy, F.; Stalport, M.; Deleuil, M.; Hébrard, G.; Almenara, J. M.; Alonso, R.; Barros, S. C. C.; Bonomo, A.; Cazalet, G.; Delisle, J. B.; Díaz, R. F.; Fridlund, M.; Guenther, E. W.; Guillot, T.; Montagnier, G.; Moutou, C.; Lovis, C.; Queloz, D.; Santerne, A.; Udry, S. (2018). "A 4.6-year period brown-dwarf companion interacting with the hot-Jupiter CoRoT-20 b". Astronomy & Astrophysics. A115: 619. arXiv:1807.01229. doi:10.1051/0004-6361/201833180. S2CID 126274116.
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