HR638 is a main-sequence star in the constellation of Cetus.
HR638 visual magnitude is 6.01. Because of its reltive faintness, HR638 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 HR638:
Celestial coordinates and finder chart of HR638
HR638 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 HR638 are provided in the following table:
The simplified sky map below shows the position of HR638 in the sky:
Visibility of HR638 from your location
Digitized Sky Survey image of HR638
The image below is a photograph of HR638 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 HR638 is -0.022 arcsec per year in Right Ascension and -0.166 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of HR638 from the Sun and relative movement
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.
Spectral properties of HR638
HR638 belongs to spectral class F5 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where HR638 is situated in the Hertzsprung–Russell diagram.