CoRoT-4: Difference between revisions
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== References == |
== References == |
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{{Sky|06|48|46.70|-|00|40|21.97|1}} |
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[[Category:F-type main sequence stars]] |
[[Category:F-type main sequence stars]] |
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[[Category:Planetary transit variables]] |
[[Category:Planetary transit variables]] |
Revision as of 07:37, 11 April 2009
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Monoceros |
Right ascension | 06h 48m 46.70s[1] |
Declination | −00° 40′ 21.97″[1] |
Apparent magnitude (V) | 13.45[2] |
Characteristics | |
Spectral type | F0V[2] |
Details | |
Mass | 1.16+0.03 −0.02[3] M☉ |
Radius | 1.17+0.01 −0.03[3] R☉ |
Temperature | 6190 ± 60[3] K |
Metallicity | [Fe/H] = 0 ± 0.15[2] |
Rotation | 8.87 ± 1.12 d[1] |
Rotational velocity (v sin i) | 6.4 ± 1.0[3] km/s |
Age | 1+1.0 −0.3 Gyr[3] years |
Other designations | |
GSC 0480002187 2MASS 06484671-0040219 |
COROT-4 (formerly known as COROT-Exo-4[4]) is a yellow-white dwarf main-sequence star. It was catalogued as part of the Corot mission to find transiting planets, when a planet was spotted in transit.
Planetary system
The star is orbited by one known extrasolar planet, designated COROT-4b.
Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
---|---|---|---|---|---|---|
b | 0.72 ± 0.08 MJ | 0.090 ± 0.001 | 9.20205 ± 0.00037 | 0 | — | — |
References
- ^ a b c Aigrain, S.; et al. (2008). "Transiting exoplanets from the CoRoT space mission IV. CoRoT-Exo-4b: a transiting planet in a 9.2 day synchronous orbit". Astronomy & Astrophysics Letters. 488 (2): L43–L46.
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(help) - ^ a b c Schneider, J. "Notes for star CoRoT-4". The Extrasolar Planets Encyclopaedia. Retrieved 2009-03-19.
- ^ a b c d e Montou, C.; et al. (2008). "Transiting exoplanets from the CoRoT space mission V. CoRoT-Exo-4b: Stellar and planetary parameters". Astronomy & Astrophysics Letters. 488 (2): L47–L50.
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(help) - ^ Schneider, J. (2009-03-10). "Change in CoRoT planets names". Exoplanets (Mailing list). Retrieved 2009-03-19.
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