Hamal - α Arietis (alpha Arietis)
Hamal, also designated as α Arietis (alpha Arietis), is a variable giant star in the constellation of Aries.
Hamal visual magnitude is 2, making it the 48th brightest star in the sky. Thanks to its high brightness, Hamal 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 Hamal:
Celestial coordinates and finder chart of Hamal
Hamal 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 Hamal are provided in the following table:
The simplified sky map below shows the position of Hamal in the sky:
Visibility of Hamal from your location
Digitized Sky Survey image of Hamal
The image below is a photograph of Hamal 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 Hamal is 0.19 arcsec per year in Right Ascension and -0.148 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of Hamal from the Sun and relative movement
Hamal is distant 65.89 light years from the Sun and it is moving towards the Sun at the speed of 14 kilometers per second.
Spectral properties of Hamal
Hamal belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where Hamal is situated in the Hertzsprung–Russell diagram.