Sceptrum - 53 Eridani
Sceptrum, also designated as 53 Eridani , is a double giant star in the constellation of Eridanus.
Sceptrum visual magnitude is 3.87. Because of its moderate brightness, Sceptrum 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 Sceptrum:
Celestial coordinates and finder chart of Sceptrum
Sceptrum 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 Sceptrum are provided in the following table:
The simplified sky map below shows the position of Sceptrum in the sky:
Visibility of Sceptrum from your location
Digitized Sky Survey image of Sceptrum
The image below is a photograph of Sceptrum 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 Sceptrum is -0.075 arcsec per year in Right Ascension and -0.156 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of Sceptrum from the Sun and relative movement
Sceptrum is distant 109.25 light years from the Sun and it is moving far from the Sun at the speed of 42 kilometers per second.
Spectral properties of Sceptrum
Sceptrum 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 Sceptrum is situated in the Hertzsprung–Russell diagram.
Sceptrum star system properties
Sceptrum is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the Sceptrum double sysyem: