Star Alpha Centauri
G-type star - Arrival Star - Scoopable
Overview
| System: | Alpha Centauri - All bodies | |
| Distance to Sol: | 4.38 ly | |
| Spectral Class: | G - Scoopable | |
| Luminosity Class: | V - Main-sequence star (dwarf) | |
| Age: | 9,440 Million years | |
| Solar Masses: | 1.1758 | |
| Solar Radius: | 1.1023 | |
| Surface Temperature: | 6,557 K | |
| Orbital Period: | 9,348.9 D | |
| Semi Major Axis: | 4.63 AU | |
| Orbital Eccentricity: | 0.5179 | |
| Orbital Inclination: | 79.21 ° | |
| Arg Of Periapsis: | 116.66 ° | |
| Absolute Magnitude: | 4.3573 | |
| Materials: |
None
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Class G stars are white-yellow main sequence stars. They range in mass from 0.8 to 1.2 solar masses and have a surface temperature reaching 6,000 K.
The term dwarf star refers to a variety of distinct classes of stars. The term was originally coined in 1906 when the Danish astronomer Ejnar Hertzsprung noticed that the reddest stars - classified as K and M in the Harvard scheme - could be divided into two distinct groups. They are either much brighter than the Sun, or much fainter. To distinguish these groups, he called them "giant" and "dwarf" stars, the dwarf stars being fainter and the giants being brighter than the sun.
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