HR3645 is a hypergiant star in the constellation of Ursa Major.
HR3645 visual magnitude is 5.96. Because of its reltive faintness, HR3645 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 HR3645:
Celestial coordinates and finder chart of HR3645
HR3645 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR3645 are provided in the following table:
The simplified sky map below shows the position of HR3645 in the sky:
Visibility of HR3645 from your location
Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
HR3645 is circumpolar and transits at 21:15 UTC (altitude: 68.5°)
Digitized Sky Survey image of HR3645
The image below is a photograph of HR3645 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 HR3645 is -0.085 arcsec per year in Right Ascension and -0.063 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of HR3645 from the Sun and relative movement
HR3645 is distant 290.81 light years from the Sun
Spectral properties of HR3645
HR3645 belongs to spectral class F0 and has a luminosity class of III corresponding to a hypergiant star.
The red dot in the diagram below shows where HR3645 is situated in the Hertzsprung–Russell diagram.