HR638
HR638 is a main-sequence star of spectral class F5 in the constellation of Cetus.
HR638 visual magnitude is 6.01. Because of its faintness, HR638 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 HR638.
Magnitude, Color, Spectral Class

The red dot in the diagram below shows where HR638 is situated in the Hertzsprung–Russell diagram.

Distance, Radial Speed, Proper Motion
HR638 is distant 163.00 light years from the Sun and it is moving far from the Sun at the speed of 11 kilometers per second.
Alternative Designations
Visibility from Your Location
Today's HR638 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):