Rasalhague

α Oph

A5III Ophiuchus Mag 2.43

Uneko ikusgarritasuna

Altuera

-65.1°

Azimuta

344.3°

below_horizon

Uneko posizioa

PropietateaBalioa
Right Ascension (J2000)17h10m22s
Declination (J2000)-15°43'27"
Altitude-65.14°
Azimuth344.28°
Hour Angle11h34m22s
ConstellationOphiuchus
Visibilitybelow_horizon

Ezaugarri fisikoak

PropietateaBalioa
Visual Magnitude2.43
Spectral ClassA5III
Color Index (B-V)0.15
Distance48.6 light-years
Parallax38.77 mas
Proper Motion (RA)41.16 mas/yr
Proper Motion (Dec)97.65 mas/yr
Radial Velocity12.6 km/s

Katalogo-izendapenak

KatalogoaIzendapena
Hipparcos (HIP)84012
Bright Star Catalogue (HR)6556
Henry Draper (HD)159561
SAO123129
Bayer Designationα Oph
Flamsteed Designation55 Oph

Irteera, sarrera eta trantsitoa

Zeru gertakariakOrdua / balioa
Rise Time16:48
Transit Time21:56 (altitude: 34.4°)
Set Time03:08