Nunki

σ Sgr

B2.5V Sagittarius Mag 1.79

Current Visibility

Altitude

-2.2°

Azimuth

225.3°

below_horizon

Current Position

PropertyValue
Right Ascension (J2000)18h24m10s
Declination (J2000)-34°23'06"
Altitude-2.24°
Azimuth225.27°
Hour Angle03h59m04s
ConstellationSagittarius
Visibilitybelow_horizon

Physical Properties

PropertyValue
Visual Magnitude1.79
Spectral ClassB2.5V
Color Index (B-V)-0.22
Distance228.0 light-years
Parallax22.55 mas
Proper Motion (RA)-39.61 mas/yr
Proper Motion (Dec)-124.05 mas/yr
Radial Velocity-11.2 km/s

Catalog Designations

CatalogDesignation
Hipparcos (HIP)90185
Bright Star Catalogue (HR)7121
Henry Draper (HD)175191
SAO187448
Bayer Designationσ Sgr
Flamsteed Designation34 Sgr

Rise, Set & Transit

EventTime / Value
Rise Time01:31
Transit Time05:15 (altitude: 15.8°)
Set Time09:00