HR3157
HR3157 is a variable and double sub-giant star of spectral class B2 in the constellation of Carina.
HR3157 visual magnitude is 6.1. Because of its faintness, HR3157 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.
Celestial Coordinates
Apparent
J2000
Galactic Coordinates
Finder Chart
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Finder chart for HR3157.
Magnitude, Color, Spectral Class
The red dot in the diagram below shows where HR3157 is situated in the Hertzsprung–Russell diagram.
Star System Properties
HR3157 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR3157 double sysyem:
Distance, Radial Speed, Proper Motion
HR3157 is distant 1,319.84 light years from the Sun and it is moving far from the Sun at the speed of 34 kilometers per second.
Alternative Designations
Visibility from Your Location
HR3157 is currently not visible from Greenwich, UK