This article belongs to the lore of Anteria.

Sun (Anteria)

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Sun Sun symbol.svg
Sun white.jpg
Pictured in visible light with solar filter in 2013 with sunspots and limb darkening.
The Sun by the Atmospheric Imaging Assembly of NASA's Solar Dynamics Observatory - 20100819.jpg
False color image taken in 2010 as seen in ultraviolet light (wavelength of 30.4 nm)
NameSun
AdjectivesSolar
Observation data
Mean distance
from Anteria
AU1.496×108 km
8 min 19 s at speed of light
Apparent magnitude (V)−26.74
Absolute magnitude4.83
Spectral classificationG2V
MetallicityZ = 0.0122
Angular size31.6–32.7 minutes of arc
≈ 0.5 degrees
Orbit al characteristics
Mean distance
from galactic core
≈ 2.7×1017 km
29,000 light-years
Galactic year(225–250) million years
Velocity≈ 220 km/s (orbit around the center of the galaxy)
≈ 20 km/s (relative to average velocity of other stars in stellar neighborhood)
≈ 370 km/s (relative to the Cosmic microwave background radiation
Physical characteristics
Equatorial radius695,700
Equatorial circumference4.379×106 km
Flattening9×10−6
Surface area6.09×1012 km2
Volume1.41×1018 km3
Mass1.9885×1030 kg
Average density1.408 g/cm3
Center density (modeled)162.2 g/cm3
Equatorial surface gravity274 m/s2
Moment of inertia factor0.070<
Escape velocity617.7 km/s
TemperatureCenter (modeled): 1.57×107 K
Luminosity3.828×1026 W
≈ 3.75×1028 lm
≈ 98 lm/W Luminous efficacy
Color (B-V)0.63
Mean radiance2.009×107 W·m−2·sr−1
Age≈ 4.6 billion years
Rotation characteristics
Obliquity7.25°
(to the ecliptic)
67.23°
(to the galactic plane)
Right ascension
of North pole
286.13°
19 h 4 min 30 s
Declination
of North pole
+63.87°
63° 52' North
Sidereal rotation period
(at equator)
25.05 d
(at 16° latitude)25.38 d
(at poles)34.4 d
Rotation velocity
(at equator)
7.189×103 km/h
Photospheric composition (by mass)
Hydrogen73.46%
Helium24.85%
Oxygen0.77%
Carbon0.29%
Iron0.16%
Neon0.12%
Nitrogen0.09%
Silicon0.07%
Magnesium0.05%
Sulphur0.04%