Betelgeuse
What this is
Betelgeuse is a fixed star the chart engine carries, at magnitude 0.45.
What it governs
The catalogue holds this star's position and its own motion, not a body of lore about it — a star's apparent place is its J2000 position carried forward and referred to the ecliptic of the date, exactly as a planet's is.
Correspondences
- magnitude
- 0.45
- right ascension
- 88.7929°
- declination
- 7.4071°
- proper motion
- +27.33, +10.86 mas, yr
Where this comes from
- Hipparcos catalogue (ICRS, J2000)