Zeta Crucis
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Crux |
| Right ascension | 12h 18m 26.2485s[1] |
| Declination | –64° 00′ 11.055″[1] |
| Apparent magnitude (V) | 4.04[2] |
| Characteristics | |
| Spectral type | B2.5V[3] |
| U−B color index | –0.68[2] |
| B−V color index | –0.17[2] |
| Astrometry | |
| Radial velocity (Rv) | +15.8[4] km/s |
| Proper motion (μ) | RA: –33.19[1] mas/yr Dec.: –10.38[1] mas/yr |
| Parallax (π) | 9.03 ± 0.55[1] mas |
| Distance | 360 ± 20 ly (111 ± 7 pc) |
| Details | |
| Temperature | 3,832[5] K |
| Rotational velocity (v sin i) | 115[6] km/s |
| Age | 7 × 106[7] years |
| Other designations | |
ζ Crucis (ζ Cru, Zeta Crucis) is a binary star in the constellation Crux. It has an apparent magnitude of 4.06m. The primary star is classified as a blue-white dwarf (spectral class B2.5 V). The secondary component is much fainter, with an apparent magnitude of 12.49.[9] ζ Crucis is located at about 360 light-years from the Sun.
References
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- ↑ 2.0 2.1 2.2 Lua error in package.lua at line 80: module 'strict' not found.
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- ↑ Lua error in package.lua at line 80: module 'strict' not found.
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