Mesarthim - γ2 Arietis (gamma2 Arietis)
Mesarthim, also designated as γ2 Arietis (gamma2 Arietis), is a variable and multiple star in the constellation of Aries.
Mesarthim visual magnitude is 4.75. Because of its moderate brightness, Mesarthim should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.
The proper motion of Mesarthim is 0.079 arcsec per year in Right Ascension and -0.104 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Key facts about Mesarthim
Celestial coordinates and finder chart of Mesarthim
Mesarthim 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 Mesarthim are provided in the following table:
The simplified sky map below shows the position of Mesarthim in the sky:
Visibility of Mesarthim from your location
Today's Mesarthim - γ2 Arietis (gamma2 Arietis) rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Distance of Mesarthim from the Sun and relative movement
Mesarthim is distant 204.26 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.
Spectral properties of Mesarthim
The red dot in the diagram below shows where Mesarthim is situated in the Hertzsprung–Russell diagram.
Mesarthim star system properties
Mesarthim is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the Mesarthim double sysyem: