CoRoT-4: Difference between revisions
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Revision as of 03:37, 28 April 2009
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Monoceros |
| Right ascension | 06h 48m 46.715s[1] |
| Declination | −00° 40′ 21.98″[1] |
| Apparent magnitude (V) | 13.45[2] |
| Characteristics | |
| Spectral type | F0V[2] |
| Astrometry | |
| Proper motion (μ) | RA: -9.3[1] mas/yr Dec.: -6.4[1] mas/yr |
| Distance | ? ly (? pc) |
| 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[4] |
| Rotational velocity (v sin i) | 6.4 ± 1.0[3] km/s |
| Age | 1+1.0 −0.3 Gyr[3] years |
| Other designations | |
| Database references | |
| SIMBAD | data |
COROT-4 (formerly known as COROT-Exo-4[5]) is a yellow-white dwarf main-sequence star in the constellation Monoceros.[1]
Planetary system
The star is orbited by one known extrasolar planet, designated COROT-4b.It was catalogued as part of the Corot mission to find transiting planets, when a planet was spotted using the transit method.[4]
| 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 | — | — |
See Also
References
- ^ a b c d e "SIMBAD query result: GSC 04800-02187 -- Star". Centre de Données astronomiques de Strasbourg. Retrieved 2009-04-27.
- ^ 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.
{{cite journal}}: Explicit use of et al. in:|author=(help) - ^ a b 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.
{{cite journal}}: Explicit use of et al. in:|author=(help) - ^ Schneider, J. (2009-03-10). "Change in CoRoT planets names". Exoplanets (Mailing list). Retrieved 2009-03-19.
{{cite mailing list}}: Unknown parameter|mailinglist=ignored (|mailing-list=suggested) (help)
External links
http://exoplanet.eu http://exoplanet.eu/star.php?st=CoRoT-4 Notes for star CoRoT-4
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