Star

Asellus Primus

θ Boötis · HIP 70497 · Yellow-white main-sequence star

True colour from its B–V index (0.50) — a surface around 6,400 K.

Distance

47.4 light-years

Spectral type

F7V

Brightness

mag 4.04

Absolute mag

3.23

Luminosity

4.5 × Sun

Surface

~6,400 K

Right ascension

14h 25m 12s

Declination

+51° 51′

In your sky

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Distances and spectral types: HYG Database (Hipparcos parallaxes), CC BY-SA 4.0.