User:2003 LN6/sandbox
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- Hypothetical transit system (unfinished & abandoned, archived)
- Templates page
- Extreme Epilepsy Warning!
- Templates page 3
- Ultra Epilepsy Warning!!!!, formerly Templates page 4
- Redirect test
- Data limit test
- 2023-24 Eastern Pacific windstorm season
- Purge this page
- Delete this page
- Delete this user
- Delete Wikipedia
- Delete the world
- Improve the world
- Actually improve the world
 The Homunculus Nebula, surrounding Eta Carinae, imaged by WFPC2 at red and near-ultraviolet wavelengths Credit: Jon Morse (University of Colorado) & NASA Hubble Space Telescope | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Carina |
| Right ascension | 10h 45m 03.591s |
| Declination | −59° 41′ 04.26″ |
| Apparent magnitude (V) | −1.0 to ~7.6 4.8 (2011) 4.6 (2013) 4.3 (2018) |
| Characteristics | |
| Evolutionary stage | Eta Carinae variable |
| Spectral type | B1Ia+(η Car) + WN9h/O3Ia |
| Apparent magnitude (U) | 6.37 |
| Apparent magnitude (B) | 6.82 |
| Apparent magnitude (R) | 4.90 |
| Apparent magnitude (J) | 3.39 |
| Apparent magnitude (H) | 2.51 |
| Apparent magnitude (K) | 0.94 |
| U−B colour index | −0.45 |
| B−V colour index | +0.61 |
| Variable type | η Car & binary |