Kepler-26
Kepler-26 is a star in the northern constellation of Lyra. It is located at the celestial coordinates: Right Ascension 18h 59m 45.8407s Declination +46° 33′ 59.438″.[2] With an apparent visual magnitude of 15.5,[3] this star is too faint to be seen with the naked eye.
| 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⊕ |
| 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 |
| Distance | 1,100 ± 10 ly (339 ± 3 pc) |
| Details | |
| Mass | 0.65[3] M☉ |
| Radius | 0.59[3] R☉ |
| Luminosity | 0.1[3] L☉ |
| Temperature | 4500[3] K |
| Metallicity [Fe/H] | -0.21[3] dex |
| Rotation | 17.918±0.005 days[5] |
| Rotational velocity (v sin i) | 1.9[3] km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
| KIC | data |
References
- "Lyra – constellation boundary", The Constellations, International Astronomical Union, retrieved 2011-12-15
- 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.
- Kepler-26b, NASA Ames Research Center, retrieved 2011-12-06
- Schneider, Jean, "Star: Kepler-26", Extrasolar Planets Encyclopaedia, Paris Observatory, archived from the original on 2012-05-05, retrieved 2013-12-18
- 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.
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