Zeta Crucis
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| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Crux |
| Right ascension | Template:RA[1] |
| Declination | Template:DEC[1] |
| Apparent magnitude (V) | 4.04[2] |
| Characteristics | |
| Spectral type | B2.5V[3] |
| U−B Template:Engvar | –0.68[2] |
| B−V Template:Engvar | –0.17[2] |
| Astrometry | |
| Radial velocity (Rv) | +15.8[4] km/s |
| Proper motion (μ) | RA: −37.431[1] mas/yr Dec.: −6.576[1] mas/yr |
| Parallax (π) | 9.2402±0.1928 mas[1] |
| Distance | Template:Rnd ± Template:Rnd ly (Template:Rnd ± Template:Rnd pc) |
| Absolute magnitude (MV) | −1.13[5] |
| Details | |
| Mass | Script error: No such module "val".[6] Template:Solar mass |
| Radius | 3.7[1] Template:Solar radius |
| Luminosity | 737[5] Template:Solar luminosity |
| Temperature | 3,832[7] K |
| Rotational velocity (v sin i) | 115[8] km/s |
| Age | Script error: No such module "val".[6] Myr |
| Metallicity [Fe/H] | {{{metal_fe2}}} dex |
| Other designations | |
| Template:Odlist[9] | |
| Database references | |
| SIMBAD | data |
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Zeta Crucis, Latinized from ζ Crucis, is a binary star system in the southern constellation of Crux. It is visible to the naked eye with an apparent magnitude of 4.06m. ζ Crucis is located at about 350 light-years from the Sun. It is a member of the Lower Centaurus–Crux subgroup of the Scorpius–Centaurus association.[10]
This is a double-lined spectroscopic binary star system.[11] The spectrum matches a B-type main-sequence star with a stellar classification of B2.5 V. There is a faint visual companion with an apparent magnitude of 12.49.[12]
References
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- ↑ a b c d e f Template:Cite Gaia DR3
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- ↑ Template:Cite simbad
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