Epsilon Crucis
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Star ε Crucis |
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| AladinLite | |||||||||||||||||
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Observation dates equinox : J2000.0 , epoch : J2000.0 |
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| Constellation | southern Cross | ||||||||||||||||
| Right ascension | 12 h 21 m 21.61 s | ||||||||||||||||
| declination | -60 ° 24 ′ 4.1 ″ | ||||||||||||||||
| Apparent brightness | 3.59 likes | ||||||||||||||||
| Typing | |||||||||||||||||
| B − V color index | +1.42 | ||||||||||||||||
| U − B color index | +1.63 | ||||||||||||||||
| R − I index | +0.74 | ||||||||||||||||
| Spectral class | K3 III / K4 III | ||||||||||||||||
| Astrometry | |||||||||||||||||
| Radial velocity | (−4.6 ± 0.7) km / s | ||||||||||||||||
| parallax | (14.19 ± 0.17) mas | ||||||||||||||||
| distance | (229.8 ± 2.8) Lj (70.47 ± 0.84) pc |
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| Visual absolute brightness M vis | −0.65 mag | ||||||||||||||||
| Proper movement | |||||||||||||||||
| Rec. Share: | (−170.93 ± 0.14) mas / a | ||||||||||||||||
| Dec. portion: | (91.67 ± 0.13) mas / a | ||||||||||||||||
| Physical Properties | |||||||||||||||||
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Other names and catalog entries |
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Epsilon Crucis (ε Crucis / ε Cru, also Juxta Crucem , port. Intrometida ) is an orange giant star in the Southern Cross . As part of this constellation, he is depicted on the flags of Brazil , Australia , Samoa, and Papua New Guinea . The star is designated by the IAU with the proper name Ginan .
swell
- HD 107446 - Variable Star . In: SIMBAD Astronomical Database . Retrieved October 28, 2006.
- Yale Bright Star Catalog
Footnotes
- ↑ a b c Hipparcos catalog (ESA 1997)
- ↑ a b c Bright Star Catalog
- ↑ Pulkovo radial velocities for 35493 HIP stars
- ↑ a b c Hipparcos, the New Reduction (van Leeuwen, 2007)
- ↑ da Silva Oliveira, R., "Crux Australis: o Cruzeiro do Sul", ( Memento of the original dated December 6, 2013 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. Artigos: Planetario Movel Inflavel AsterDomus.
