Overview
System: chi-1 Hydrae - All bodies
Distance to Sol: 140.99 ly
Spectral Class: F - Scoopable
Luminosity Class: IV - Subgiant
Age: 1,320 Million years
Solar Masses: 1.0430
Solar Radius: 1.1151
Surface Temperature: 6,307 K
Absolute Magnitude: 1.9292
Materials:
None
Stations:
None
Attractions: None

Class F stars are white main sequence stars. They range in mass from 1 to 1.4 solar masses and have a surface temperature reaching 7,600 K.

A subgiant is a star that is slightly brighter than a normal main-sequence (dwarf) star of the same spectral class, but not as bright as true giant stars. Although certain subgiants appear to be simply unusually bright metal-rich hydrogen-fusing stars (in the same way subdwarfs are unusually dim metal-poor hydrogen-fusing stars), they are generally believed to be stars that are ceasing or have already ceased fusing hydrogen in their cores. In stars of roughly a solar mass (M), this causes the core to contract, which increases the star's central temperature enough to move hydrogen fusion into a shell surrounding the core. This swells the star on the way to becoming a true giant.

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