Kepler-26

Kepler-26

A diagram of the Kepler-25 System, compared to our Inner Solar System.
Observation data Epoch J2000      Equinox J2000
Constellation	Lyra[1]
Right ascension	18^h 59^m 45.839^s
Declination	+46° 33′ 59.54″
Apparent magnitude (V)	15.473[2]
Characteristics
Spectral type	K[3]
Astrometry
Distance	1591[3] ly (488 pc)
Details
Mass	0.65[2] M☉
Radius	0.59[2] R☉
Luminosity	0.1[2] L☉
Temperature	4500[2] K
Metallicity [Fe/H]	-0.21[2] dex
Rotational velocity (v sin i)	1.9[2] km/s
Other designations

Kepler-26 is a star in the northern constellation of Lyra. It is located at the celestial coordinates: Right Ascension 18^h 59^m 45.839^s Declination +46° 33′ 59.54″.^[4] With an apparent visual magnitude of 15.5,^[2] this star is too faint to be seen with the naked eye.

The Kepler-26 planetary system^[3]

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. Kepler-26b, NASA Ames Research Center, retrieved 2011-12-06
3. Schneider, Jean, "Star: Kepler-26", Extrasolar Planets Encyclopaedia (Paris Observatory), retrieved 2013-12-18
4. "Kepler Discoveries". 2011-12-05.

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