System Parameters for Kepler-11
G dwarf star
Kepler magnitude = 13.7
Visual magnitude = 14.2
Alternative designations used in catalogues: KIC 6541920 and KOI-157.
Distance from Earth: about 2,000 light-years
Spectroscopic analysis of a high-resolution spectrum taken at the Keck I telescope leads to:
Effective temperature Teff = 5,680 ±100 K
Surface gravity log[gsurf (g cm s-2)] = 4.3 ±0.2
Metallicity [Fe/H] = 0.0 ±0.1 dex,
Projected stellar equatorial rotation of vsini = 0.4 ±0.5 km s-1.
Mass = 0.95 ±0.10Msun
Radius = 1.1 ±0.1Rsun
RA = 19h 48min 27.62s,
Dec = +41° 54' 32.9"