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Crux showing epsilon crucis in relation to the other main stars. |
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| Observation data Epoch J2000.0 Equinox J2000.0 |
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|---|---|
| Constellation | Crux |
| Right ascension | 12h 21m 21.6s |
| Declination | −60° 24′ 4″ |
| Apparent magnitude (V) | 3.56 |
| Characteristics | |
| Spectral type | K3III |
| U−B color index | 1.63 |
| B−V color index | 1.42 |
| Astrometry | |
| Radial velocity (Rv) | −4.6 km/s |
| Proper motion (μ) | RA: −171.06 mas/yr Dec.: 91.83 mas/yr |
| Parallax (π) | 14.30 ± .56 mas |
| Distance | 228 ly (69.93 pc) |
| Absolute magnitude (MV) | -1.80 |
| Other designations | |
Epsilon Crucis (ε Cru, ε Crucis) is a Class K3III, fourth-magnitude star in the constellation Crux. It is sometimes called Intrometida (intrusive) in Portuguese.[1] This star is an orange giant, located about 228 light-years from Earth.
ε Cru is represented on the flags of Australia and Papua New Guinea, as one of five stars which comprise the Southern Cross. It is also featured in the flag of Brazil, along with 26 other stars, each of which represents a state. ε Cru represents the State of Espírito Santo.[2]
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