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CoRoT-4

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(Redirected from COROT-4) Star in the constellation Monoceros
CoRoT-4
Observation data
Epoch J2000      Equinox J2000
Constellation Monoceros
Right ascension 06 48 46.7134
Declination −00° 40′ 21.9695″
Apparent magnitude (V) 13.45
Characteristics
Spectral type F8V
Apparent magnitude (R) 13.42
Apparent magnitude (J) 12.619 ±0.026
Apparent magnitude (H) 12.359 ±0.029
Apparent magnitude (K) 12.29 ±0.03
R−I color index 13.531
Astrometry
Proper motion (μ) RA: −3.659±0.049 mas/yr
Dec.: −3.898±0.044 mas/yr
Parallax (π)1.3484 ± 0.0280 mas
Distance2,420 ± 50 ly
(740 ± 20 pc)
Details
Mass1.16
−0.02 M☉
Radius1.17
−0.03 R☉
Temperature6190 ± 60 K
Metallicity = 0 ± 0.15
Rotation8.87 ± 1.12 d
Rotational velocity (v sin i)6.4 ± 1.0 km/s
Age1
−0.3 Gyr years
Other designations
GSC 04800-02187, GSC2 S1002103169, UCAC2 31467163, CoRoT-Exo-4, 2MASS J06484671-0040219, USNO-B1.0 0893-00105986
Database references
SIMBADdata

CoRoT-4 (formerly known as CoRoT-Exo-4) is a yellow-white dwarf main-sequence star in the constellation Monoceros.

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.

The CoRoT-4 planetary system
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

  1. ^ 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.
  2. ^ Schneider, J. "Notes for star CoRoT-4". Extrasolar Planets Encyclopaedia. Archived from the original on August 19, 2009. Retrieved 2009-03-19.
  3. ^ "CoRoT-4". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2009-04-27.
  4. ^ 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. arXiv:0807.3739. Bibcode:2008A&A...488L..47M. doi:10.1051/0004-6361:200810273. S2CID 118658022.
  5. ^ 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. arXiv:0807.3767. Bibcode:2008A&A...488L..43A. doi:10.1051/0004-6361:200810246. S2CID 115916135.
  6. Schneider, J. (2009-03-10). "Change in CoRoT planets names". Exoplanets (Mailing list). Archived from the original on 2010-01-18. Retrieved 2009-03-19.

External links


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