Kepler-43
Observation data
Epoch J2000      Equinox J2000
Constellation Cygnus[1]
Right ascension 19h 00m 57.8034s[2]
Declination +46° 40′ 05.665″[2]
Apparent magnitude (V) 13.96[3]
Characteristics
Spectral type G0V~G0IV[4]
Astrometry
Proper motion (μ) RA: −3.003±0.025[2] mas/yr
Dec.: 0.193±0.026[2] mas/yr
Parallax (π)0.9653 ± 0.0139 mas[2]
Distance3,380 ± 50 ly
(1,040 ± 10 pc)
Details
Mass1.32±0.09[3] M☉
Radius1.42±0.07[3] R☉
Luminosity[3] L☉
Surface gravity (log g)4.26±0.05[5] cgs
Temperature6041±123[3] K
Metallicity [Fe/H]0.33±0.11[3] dex
Rotation12.851±0.053 days[6]
Rotational velocity (v sin i)5.5±1.5[3] km/s
Other designations
Kepler-43, KOI-135, KIC 9818381
Database references
SIMBADdata
KICdata

Kepler-43, formerly known as KOI-135, is a star in the northern constellation of Cygnus. It is located at the celestial coordinates: Right Ascension 19h 00m 57.8034s, Declination +46° 40′ 05.665″.[7] With an apparent visual magnitude of 13.996,[3] this star is too faint to be seen with the naked eye. The Kepler-43 has a very strong starspot activity.[5]

Planetary system

The Kepler spacecraft detected a transiting planet candidate around this star that was confirmed by radial velocity measurements taken by the SOPHIE spectrograph mounted on the 1.93 m telescope at the Haute-Provence Observatory.[8]

The planet nightside temperature was measured to be 2043+79
−352 K.[5]

The Kepler-43 planetary system[4][5]
Companion
(in order from star) 		Mass Semimajor axis
(AU) 		Orbital period
(days) 		Eccentricity Inclination Radius
b 3.23±0.19 MJ 0.0449 3.0240949±0.0000006 — — —

References

  1. ^ "Cygnus – constellation boundary", The Constellations, International Astronomical Union, retrieved 2011-12-15
  2. ^ a b c d e 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.
  3. ^ a b c d e f g h Kepler-43b, NASA Ames Research Center, archived from the original on 2015-09-14, retrieved 2011-12-06
  4. ^ a b Schneider, Jean, "Star: Kepler-43", Extrasolar Planets Encyclopaedia, archived from the original on 2014-03-04, retrieved 2011-12-06
  5. ^ a b c d Esteves, Lisa J.; Mooij, Ernst J. W. De; Jayawardhana, Ray (2014), "Changing Phases of Alien Worlds: Probing Atmospheres Ofkeplerplanets with High-Precision Photometry", The Astrophysical Journal, 804 (2): 150, arXiv:1407.2245, Bibcode:2015ApJ...804..150E, doi:10.1088/0004-637X/804/2/150, S2CID 117798959
  6. ^ McQuillan, A.; Mazeh, T.; Aigrain, S. (2013). "Stellar Rotation Periods of The Kepler objects of Interest: A Dearth of Close-In Planets Around Fast Rotators". The Astrophysical Journal Letters. 775 (1). L11. arXiv:1308.1845. Bibcode:2013ApJ...775L..11M. doi:10.1088/2041-8205/775/1/L11. S2CID 118557681.
  7. ^ "Kepler Discoveries". 2011-12-05. Archived from the original on 2010-05-27.
  8. ^ Bonomo, A. S.; et al. (2012). "SOPHIE velocimetry of Kepler transit candidates. V. The three hot Jupiters KOI-135b, KOI-204b, and KOI-203b (alias Kepler-17b)". Astronomy and Astrophysics. 538. A96. arXiv:1110.5462. Bibcode:2012A&A...538A..96B. doi:10.1051/0004-6361/201118323. S2CID 118528032.


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