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public LocationGreenwich, UK
Sunrise: 4:43 
Transit: 13:01 
Sunset: 21:18
wb_twilight   (Astronomical Twilight)   What's Visible Now?
All Constellations » Ursa Major » 


Above the horizon.  Circumpolar today
Altitude: 27.0°   Azimuth: 312.6°   Direction: North-West

HR3797 is a hypergiant star of spectral class F0 in the constellation of Ursa Major.

HR3797 visual magnitude is 6.52. Because of its faintness, HR3797 is not visible to the naked eye.

Celestial coordinates and finder chart of HR3797

Finder chart HR3797 star
Simplified finder chart for HR3797.

HR3797 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 HR3797 are provided in the following table:

09h 34m 19s
+46° 54’ 07”
Ursa Major
Image of HR3797 star
DSS2 image of HR3797. The red arrow shows the motion of HR3797 during the next 10000 years (-10.33 arcmin in Right Ascension and -1.33 arcmin in declination);

Key facts about HR3797


and has a luminosity class of V corresponding to a hypergiant star.


The red dot in the diagram below shows where HR3797 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3797. Attribution: Richard Powell / CC BY-SA

Distance of HR3797 from the Sun and relative movement

HR3797 is distant 307.55 light years from the Sun and it is moving far from the Sun at the speed of 11 kilometers per second.

94.34 pc
307.55 ly
11 km/s
-0.062 arcsec/year
-0.008 arcsec/year

Alternative designations of HR3797


Visibility of HR3797 from your location

HR3797 is circumpolar and transits at 15:21 UTC (altitude: 85.4°)