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All Constellations » Sagittarius » 

Rukbat - α Sagittarii (alpha Sagittarii)

Below the horizon.  Never rises today
Alt: -34.99°   Az: 113.28°   Direction: East-South-East

Rukbat, also designated as α Sagittarii (alpha Sagittarii), is a main-sequence star of spectral class B8 in the constellation of Sagittarius.

Rukbat visual magnitude is 3.97. Because of its moderate brightness, Rukbat is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of Rukbat - α Sagittarii (alpha Sagittarii) star
DSS2 image of Rukbat. The red arrow shows the motion of Rukbat during the next 1000 years (0.50 arcmin in Right Ascension and -2.05 arcmin in declination);

Celestial Coordinates

Apparent

19h 25m 37s
-40° 33’ 56”
17h 28m 36s
12h 54m 13s

J2000

19h 23m 53s
-40° 36’ 57”

Galactic Coordinates

357.71°
-23.09°

Finder Chart

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Finder chart for Rukbat - α Sagittarii (alpha Sagittarii).

Magnitude, Color, Spectral Class

3.97
Main-sequence

0.39
B8V
11573K

The red dot in the diagram below shows where Rukbat is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of Rukbat. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

Rukbat is distant 169.79 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

52.08
169.79
-1 km/s
0.03 arcsec/y
-0.123"/y

Alternative Designations

Rukbat
α Sagittarii
(alpha Sagittarii)
SAO229659
SAO229659

Visibility from Your Location

Rukbat - α Sagittarii (alpha Sagittarii) is currently not visible from Greenwich, UK