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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:14 
Transit: 12:14 
Sunset: 17:14
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All Constellations » Pegasus » 

Markab - α Pegasi (alpha Pegasi)

Below the horizon.  Rise: 6:04 | Tran: 13:22 | Set: 20:41
Alt: -17.42°   Az: 32.92°   Direction: North-North-East

Markab, also designated as α Pegasi (alpha Pegasi), is a variable main-sequence star of spectral class B9 in the constellation of Pegasus.

Markab visual magnitude is 2.49, making it the 90th brightest star in the sky. Because of its brightness, Markab 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 Markab - α Pegasi (alpha Pegasi) star
DSS2 image of Markab. The red arrow shows the motion of Markab during the next 10000 years (10.50 arcmin in Right Ascension and -7.00 arcmin in declination);

Celestial Coordinates

Apparent

23h 06m 00s
+15° 20’ 28”
14h 10m 07s
13h 16m 08s

J2000

23h 04m 45s
+15° 12’ 19”

Galactic Coordinates

88.28°
-40.38°

Finder Chart

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Finder chart for Markab - α Pegasi (alpha Pegasi).

Magnitude, Color, Spectral Class

2.49
Main-sequence

-0.67
B9V
10653K

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

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

Distance, Radial Speed, Proper Motion

Markab is distant 139.55 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

42.81
139.55
-4 km/s
0.063 arcsec/y
-0.042"/y

Alternative Designations

Markab
α Pegasi
(alpha Pegasi)
SAO108378
SAO108378

Visibility from Your Location

Today's Markab - α Pegasi (alpha 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: 53.9°
Azimuth: 285.3°