HR2123 is a variable and multiple giant star in the constellation of Auriga.
HR2123 visual magnitude is 6.45. Because of its reltive faintness, HR2123 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.
The table below summarizes the key facts about HR2123:
Celestial coordinates and finder chart of HR2123
HR2123 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 HR2123 are provided in the following table:
The simplified sky map below shows the position of HR2123 in the sky:
Visibility of HR2123 from your location
HR2123 is circumpolar and transits at 05:01 UTC (altitude: 89.9°)
Digitized Sky Survey image of HR2123
The image below is a photograph of HR2123 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 HR2123 is 0.005 arcsec per year in Right Ascension and -0.042 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR2123 from the Sun and relative movement
HR2123 is distant 393.72 light years from the Sun and it is moving far from the Sun at the speed of 20 kilometers per second.
Spectral properties of HR2123
HR2123 belongs to spectral class A7 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where HR2123 is situated in the Hertzsprung–Russell diagram.
HR2123 star system properties
HR2123 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR2123 double sysyem: