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🌎  Observing from: Greenwich, United Kingdom [change]
🌅 Sunrise: 6:34  ☀️ Transit: 13:02  🌅 Sunset: 19:31


HR4165 is a giant star in the constellation of Ursa Major.

HR4165 visual magnitude is 5.52. Because of its reltive faintness, HR4165 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 HR4165:

HR4165 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 15°.

Celestial coordinates and finder chart of HR4165

HR4165 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 HR4165 are provided in the following table:

10h 39m 05s
+53° 40’ 05”
Ursa Major

The simplified sky map below shows the position of HR4165 in the sky:

Finder chart HR4165 star
Simplified finder chart for HR4165.

Visibility of HR4165 from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR4165 is circumpolar and transits at 21:55 UTC (altitude: 87.8°)

Digitized Sky Survey image of HR4165

The image below is a photograph of HR4165 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 HR4165 is -0.087 arcsec per year in Right Ascension and -0.074 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4165 star
DSS2 image of HR4165. The red arrow shows the motion of HR4165 during the next 10000 years (-14.50 arcmin in Right Ascension and -12.33 arcmin in declination);

Distance of HR4165 from the Sun and relative movement

HR4165 is distant 514.20 light years from the Sun and it is moving far from the Sun at the speed of 45 kilometers per second.

157.73 pc
514.20 ly
45 km/s
-0.087 arcsec/year
-0.074 arcsec/year

Spectral properties of HR4165

HR4165 belongs to spectral class K3 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR4165 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4165. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4165