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Capella is the brightest star in the northern constellation of Auriga. It has the Bayer designation α Aurigae, which is Latinised to Alpha Aurigae and abbreviated Alpha Aur or α Aur. Capella is the sixth-brightest star in the night sky, and the third-brightest in the northern celestial hemisphere after Arcturus and Vega. A prominent object in the…
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star stars red two aa sky x-ray system spectral goat ab component constellation northern pair times name brightest known binary
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Capella | Apparent magnitude (V) | +0.08 (+0.03 – +0.16) | 1.00 | infobox |
| Capella | Apparent magnitude (V) | 10.16 | 1.00 | infobox |
| Capella | Apparent magnitude (V) | 13.7 | 1.00 | infobox |
| Capella | B−V color index | +0.80 | 1.00 | infobox |
| Capella | B−V color index | 1.50 | 1.00 | infobox |
| Capella | Constellation | Auriga | 1.00 | infobox |
| Capella | Declination | +45° 59′ 52.7693″[note 1] | 1.00 | infobox |
| Capella | Declination | +45° 50′ 22.97″ | 1.00 | infobox |
| Capella | Declination | +45° 50′ 19.84″ | 1.00 | infobox |
| Capella | Evolutionary stage | Red clump | 1.00 | infobox |
| Capella | Evolutionary stage | Subgiant | 1.00 | infobox |
| Capella | Evolutionary stage | Main sequence (red dwarf) | 1.00 | infobox |
| Capella | Pronunciation | /kəˈpɛlə/ | 1.00 | infobox |
| Capella | Right ascension | 05h 16m 41.35871s[note 1] | 1.00 | infobox |
| Capella | Right ascension | 05h 17m 23.728s | 1.00 | infobox |
| Capella | Right ascension | 05h 17m 23.943s | 1.00 | infobox |
| Capella | R−I color index | +0.44 | 1.00 | infobox |
| Capella | R−I color index | 0.91 | 1.00 | infobox |
| Capella | Spectral type | G3III: | 1.00 | infobox |
| Capella | Spectral type | G8III | 1.00 | infobox |
| Capella | Spectral type | G0III | 1.00 | infobox |
| Capella | Spectral type | M2.5 V | 1.00 | infobox |
| Capella | Spectral type | M4: | 1.00 | infobox |
| Capella | U−B color index | +0.44 | 1.00 | infobox |
| Capella | U−B color index | 1.24 | 1.00 | infobox |
| Capella | Variable type | RS CVn (suspected) | 1.00 | infobox |
| Capella | V−R color index | −0.3 | 1.00 | infobox |
| Capella | is a | brightest star in the northern constellation of Auriga | 0.90 | text |
| Capella | is a | sixth-brightest star in the night sky | 0.90 | text |
| Capella | is a | brightest object in the constellation Auriga | 0.90 | text |
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