Merak

β UMa

A1V Ursa Major Mag 2.41

Nuna videbleco

Alto

5.9°

Azimuto

345.8°

naked_eye

Nuna pozicio

EcoValoro
Right Ascension (J2000)11h53m50s
Declination (J2000)+53°41'41"
Altitude5.91°
Azimuth345.78°
Hour Angle10h24m16s
ConstellationUrsa Major
Visibilitynaked_eye

Fizikaj ecoj

EcoValoro
Visual Magnitude2.41
Spectral ClassA1V
Color Index (B-V)-0.02
Distance79.7 light-years
Parallax38.99 mas
Proper Motion (RA)107.76 mas/yr
Proper Motion (Dec)11.16 mas/yr
Radial Velocity-12.0 km/s

Katalogaj nomoj

KatalogoNomo
Hipparcos (HIP)58001
Bright Star Catalogue (HR)4295
Henry Draper (HD)95418
SAO43268
Bayer Designationβ UMa
Flamsteed Designation48 UMa

Leviĝo, Subiro kaj Transito

Ĉielaj EventojTempo / Valoro
StatusCircumpolar (always above horizon)
Transit Time22:42 (altitude: 76.4°)