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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:10 
Transit: 12:13 
Sunset: 17:18
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All Constellations » Pegasus » 

Algenib - γ Pegasi (gamma Pegasi)

Below the horizon.  Rise: 7:05 | Tran: 14:23 | Set: 21:41
Alt: -15.47°   Az: 37.99°   Direction: North-East

Algenib, also designated as γ Pegasi (gamma Pegasi), is a variable and multiple sub-giant star of spectral class B2 in the constellation of Pegasus.

Algenib visual magnitude is 2.83. Because of its brightness, Algenib is clearly visible to the naked eye when observed from locations with dark skies, and should be also quite easily visible from light polluted areas.

Image of Algenib - γ Pegasi (gamma Pegasi) star
DSS2 image of Algenib. The red arrow shows the motion of Algenib during the next 10000 years (0.50 arcmin in Right Ascension and -2.00 arcmin in declination);

Celestial Coordinates

Apparent

00h 14m 32s
+15° 19’ 23”
14h 31m 50s
14h 46m 22s

J2000

00h 13m 14s
+15° 11’ 00”

Galactic Coordinates

109.43°
-46.68°

Finder Chart

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Finder chart for Algenib - γ Pegasi (gamma Pegasi).

Magnitude, Color, Spectral Class

2.83
Sub-giant

-2.22
B2IV
14354K

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

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

Star System Properties

Algenib is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the Algenib double sysyem:

2.83
11.73
8.9
163.4 arcsec

Distance, Radial Speed, Proper Motion

Algenib is distant 332.99 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

102.15
332.99
4 km/s
0.003 arcsec/y
-0.012"/y

Alternative Designations

Algenib
γ Pegasi
(gamma Pegasi)
SAO91781
SAO91781

Visibility from Your Location

Today's Algenib - γ Pegasi (gamma Pegasi) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 74.7°
Max altitude: 53.8°
Azimuth: 285.3°