Almaaz - ε Aurigae (epsilon Aurigae)
Almaaz, also designated as ε Aurigae (epsilon Aurigae), is a variable and multiple hypergiant star in the constellation of Auriga.
Almaaz visual magnitude is 2.99. Thanks to its high brightness, Almaaz 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 Almaaz:
Celestial coordinates and finder chart of Almaaz
Almaaz is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of Almaaz are provided in the following table:
The simplified sky map below shows the position of Almaaz in the sky:
Visibility of Almaaz from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Almaaz - ε Aurigae (epsilon Aurigae) is circumpolar and transits at 12:30 UTC (altitude: 82.3°)
Digitized Sky Survey image of Almaaz
The image below is a photograph of Almaaz 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 Almaaz is -0.001 arcsec per year in Right Ascension and -0.004 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.
Distance of Almaaz from the Sun and relative movement
Almaaz is distant 2,037.50 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.
Spectral properties of Almaaz
Almaaz belongs to spectral class F0 and has a luminosity class of I corresponding to a hypergiant star.
The red dot in the diagram below shows where Almaaz is situated in the Hertzsprung–Russell diagram.
Almaaz star system properties
Almaaz 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 Almaaz double sysyem: