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Avior (Epsilon Carinae)
The third brightest star in the constellation Carina, a spectroscopic binary consisting of a main sequence B star and a giant K star, separated by just 0.02". There is some evidence that the components eclipse each other, producing a slight drop in brightness every 2.2 years; if so, this suggests a separation distance of about 4 AU – less than the distance of Jupiter from the Sun, but too far apart for mass transfer to take place.
| visual magnitude | 1.95 (combined); (~2.4/~3.1) |
| absolute magnitude | -4.58 |
| spectral type | K3III + B2V |
| distance | 630 ± 60 light-years (190 ± 20 pc) |
| mass | 4.6/16 Msun |
| luminosity | 6,000/~11,000 Lsun |
| position | R.A. 08h 22m 30.8s, Dec. -59° 30' 35" |
| other designations | HR 3307, CD-59°1032, HD 71129, SAO 235932, FK5 315, HIP 410372, GC 11463 |
Related category
• NOTABLE STARS
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