Altair

α Aql

A7V Aquila Mag 0.76

Trenutna vidljivost

Višina

-25.7°

Azimut

308.8°

below_horizon

Trenutni položaj

LastnostVrednost
Right Ascension (J2000)19h50m47s
Declination (J2000)+08°52'12"
Altitude-25.69°
Azimuth308.83°
Hour Angle09h00m10s
ConstellationAquila
Visibilitybelow_horizon

Fizikalne lastnosti

LastnostVrednost
Visual Magnitude0.76
Spectral ClassA7V
Color Index (B-V)0.22
Distance16.7 light-years
Parallax194.44 mas
Proper Motion (RA)536.82 mas/yr
Proper Motion (Dec)385.54 mas/yr
Radial Velocity-26.1 km/s

Kataloške oznake

KatalogOznaka
Hipparcos (HIP)97649
Bright Star Catalogue (HR)7557
Henry Draper (HD)187642
SAO125122
Bayer Designationα Aql
Flamsteed Designation53 Aql

Vzhod, zahod in kulminacija

DogodekČas / Vrednost
Rise Time18:04
Transit Time00:40 (altitude: 59.0°)
Set Time07:12