CoRoT-23

Last updated
CoRoT-23
Observation data
Epoch J2000.0       Equinox J2000.0
Constellation Serpens [1]
Right ascension 18h 39m 07.8405s [2]
Declination +04° 21′ 28.034″ [2]
Apparent magnitude  (V)15.63 [3]
Characteristics
Evolutionary stage main sequence star [ citation needed ]
Spectral type G0V [3]
Variable type planetary transit [ citation needed ]
Astrometry
Proper motion (μ)RA: -2.390 [2] mas/yr
Dec.: -8.306 [2] mas/yr
Parallax (π)0.9569±0.0329  mas [2]
Distance 3,400 ± 100  ly
(1,050 ± 40  pc)
Details [3]
Mass 1.14 ± 0.08  M☉
Radius 1.61 ± 0.18  R☉
Surface gravity (log g)4.3 ± 0.2  cgs
Temperature 5900 ± 100  K
Metallicity [Fe/H]0.05 ± 0.1  dex
Rotation 9.2 ± 1.5 d
Rotational velocity (v sin i)9.0 ± 1 km/s
Age 7.2+1
−1.5  Gyr
Other designations
2MASS J18390782+0421281 [2]
Database references
SIMBAD data

CoRoT-23 is a main-sequence star located in the constellation Serpens at a distance of about 1956 light-years[ citation needed ] from the Earth. At least one planet revolves around the star.

Contents

Characteristics

CoRoT-23 is a yellow dwarf main sequence star similar to the Sun. Its solar mass is 1.098 and its solar radius is 0.86. [4] [ failed verification ] The surface temperature is about 5900 kelvin.

Planetary system

One planet has been discovered orbiting CoRoT-23, CoRoT-23b. [5]

The planet may be in an unstable orbit and subject to merger with the host star in the future. [3]

The CoRoT-23 planetary system
Companion
(in order from star)		 Mass Semimajor axis
(AU)		 Orbital period
(days)		 Eccentricity Inclination Radius
b 2.8  MJ 0.04773.63140.16——

References

  1. ↑ Roman, Nancy G. (1987). "Identification of a constellation from a position". Publications of the Astronomical Society of the Pacific . 99 (617): 695. Bibcode:1987PASP...99..695R. doi: 10.1086/132034 . Constellation record for this object at VizieR.
  2. 1 2 3 4 5 6 "CoRoT-23". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 2024-10-24.
  3. 1 2 3 4 Rouan, D.; et al. (2012). "Transiting exoplanets from the CoRoT space mission . XIX. CoRoT-23b: A dense hot Jupiter on an eccentric orbit". Astronomy and Astrophysics. 537: A54. arXiv: 1112.0584 . Bibcode:2012A&A...537A..54R. doi:10.1051/0004-6361/201117916. S2CID   55219945.
  4. ↑ E. Plavalova (2011-08-17). "Taxonomy of the Extrasolar Planet". Astrobiology. 12 (4): 361–369. arXiv: 1106.0635 . doi:10.1089/ast.2011.0708. PMID   22506608. S2CID   36142931.
  5. ↑ "CoRoT-23 Planets in the system" . Retrieved February 25, 2019.


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