Markab - α Pegasi (alpha Pegasi)
Markab, also designated as α Pegasi (alpha Pegasi), is a variable main-sequence star in the constellation of Pegasus.
Markab visual magnitude is 2.49, making it the 91th brightest star in the sky. Thanks to its high brightness, Markab is clearly visible when observed from locations with dark skyes, and should be also quite easily visible from light polluted areas.
The table below summarizes the key facts about Markab:
Celestial coordinates and finder chart of Markab
Markab is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of Markab are provided in the following table:
The simplified sky map below shows the position of Markab in the sky:
Visibility of Markab from your location
Digitized Sky Survey image of Markab
The image below is a photograph of Markab from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of Markab is 0.063 arcsec per year in Right Ascension and -0.042 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of Markab from the Sun and relative movement
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.
Spectral properties of Markab
Markab belongs to spectral class B9 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where Markab is situated in the Hertzsprung–Russell diagram.