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Loading contentEta Crucis is a star in the constellation Crux (Crucis), lying about 64.43 light-years from Earth.
Class F. Yellow-white stars, somewhat hotter and more massive than the Sun. Such stars have surface temperatures around 6,000–7,500 K and appear yellow-white to the eye.
| Spectral type | F2III |
| Luminosity class | III |
| Apparent magnitude | 4.14 |
| Absolute magnitude | 2.66 |
| Luminosity (Sun = 1) | 7.502 |
| Colour index (B−V) | 0.353 |
| Distance | 64.43 ly (19.76 pc) |
Values are real catalogue data; fields without a reliable value are omitted, never estimated.
Facts on this topic will be cited from these primary and reference sources.
Aggregated, openly-licensed star catalogue combining Hipparcos, the Yale Bright Star Catalogue, and the Gliese Catalogue of Nearby Stars.
High-precision parallax, magnitude, and position for ~118,000 stars.