Algenib - γ Pegasi (gamma Pegasi)
Algenib, also designated as γ Pegasi (gamma Pegasi), is a variable and multiple sub-giant star in the constellation of Pegasus.
Algenib visual magnitude is 2.83. Thanks to its high brightness, Algenib 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 Algenib:
Celestial coordinates and finder chart of Algenib
Algenib 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 Algenib are provided in the following table:
The simplified sky map below shows the position of Algenib in the sky:
Visibility of Algenib from your location
Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Today's Algenib - γ Pegasi (gamma Pegasi) rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):
Digitized Sky Survey image of Algenib
The image below is a photograph of Algenib 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 Algenib is 0.003 arcsec per year in Right Ascension and -0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of Algenib from the Sun and relative movement
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.
Spectral properties of Algenib
Algenib belongs to spectral class B2 and has a luminosity class of IV corresponding to a sub-giant star.
The red dot in the diagram below shows where Algenib is situated in the Hertzsprung–Russell diagram.
Algenib 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: