Mirfak
What this is
Mirfak is a fixed star the chart engine carries, at magnitude 1.79.
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
- 1.79
- right ascension
- 51.0807°
- declination
- 49.8612°
- proper motion
- +24.11, -26.01 mas, yr
Where this comes from
- Hipparcos catalogue (ICRS, J2000)