Kepler-26

Kepler-26
Observation data
Epoch J2000      Equinox J2000
Constellation Lyra[1]
Right ascension 18h 59m 45.8407s[2]
Declination +46° 33′ 59.438″[2]
Apparent magnitude (V) 15.473[3]
Characteristics
Spectral type K[4]
Astrometry
Proper motion (μ) RA: 9.540±0.053[2] mas/yr
Dec.: −13.961±0.055[2] mas/yr
Parallax (π)2.9537 ± 0.0270[2] mas
Distance1,100 ± 10 ly
(339 ± 3 pc)
Details
Mass0.65[3] M☉
Radius0.59[3] R☉
Luminosity0.1[3] L☉
Temperature4500[3] K
Metallicity [Fe/H]-0.21[3] dex
Rotation17.918±0.005 days[5]
Rotational velocity (v sin i)1.9[3] km/s
Other designations
KOI-250, KIC 9757613, 2MASS J18594583+4633595
Database references
SIMBADdata
KICdata

Kepler-26 is a star in the northern constellation of Lyra. It is located at the celestial coordinates: Right Ascension 18h 59m 45.839s Declination +46° 33′ 59.54″.[6] With an apparent visual magnitude of 15.5,[3] this star is too faint to be seen with the naked eye.

The Kepler-26 planetary system[4]
Companion
(in order from star)		 Mass Semimajor axis
(AU)		 Orbital period
(days)		 Eccentricity Inclination Radius
d — 0.039 3.543919 — — 1.07 R⊕
b 0.38 MJ 0.085 12.2829 — — 3.59 R⊕
c 0.38 MJ 0.107 17.2513 — — 3.58 R⊕
e — 0.22 46.827915 — — 2.41 R⊕

References

  1. ↑ "Lyra – constellation boundary", The Constellations, International Astronomical Union, retrieved 2011-12-15
  2. 1 2 3 4 5 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 Data Release 2 Vizier catalog entry
  3. 1 2 3 4 5 6 7 8 Kepler-26b, NASA Ames Research Center, retrieved 2011-12-06
  4. 1 2 Schneider, Jean, "Star: Kepler-26", Extrasolar Planets Encyclopaedia, Paris Observatory, archived from the original on 2012-05-05, retrieved 2013-12-18
  5. ↑ 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.
  6. ↑ "Kepler Discoveries". 2011-12-05.

Coordinates: 18h 59m 45.839s, +46° 33′ 59.54″

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