Sarin - δ Herculis (delta Herculis)
Sarin, also designated as δ Herculis (delta Herculis), is a variable and multiple sub-giant star in the constellation of Hercules.
Sarin visual magnitude is 3.14. Because of its moderate brightness, Sarin should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.
The table below summarizes the key facts about Sarin:
Celestial coordinates and finder chart of Sarin
Sarin 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 Sarin are provided in the following table:
The simplified sky map below shows the position of Sarin in the sky:
Visibility of Sarin from your location
Digitized Sky Survey image of Sarin
The image below is a photograph of Sarin 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 Sarin is -0.021 arcsec per year in Right Ascension and -0.157 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of Sarin from the Sun and relative movement
Sarin is distant 78.46 light years from the Sun and it is moving towards the Sun at the speed of 40 kilometers per second.
Spectral properties of Sarin
Sarin belongs to spectral class A3 and has a luminosity class of IV corresponding to a sub-giant star.
The red dot in the diagram below shows where Sarin is situated in the Hertzsprung–Russell diagram.
Sarin star system properties
Sarin 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 Sarin double sysyem: