HR4181

Above the horizon. Circumpolar today

Alt: 50.16° Az: 33.56° Direction: North-North-East

HR4181 is a giant star of spectral class K3 in the constellation of Ursa Major.

HR4181 visual magnitude is 5. Because of its moderate brightness, HR4181 is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

DSS2 image of HR4181. The red arrow shows the motion of HR4181 during the next 10000 years (0.33 arcmin in Right Ascension and -2.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 10h 44m 50s

Declination +68° 56’ 33”

Hour Angle 18h 38m 49s

Sidereal Time 05h 23m 40s

J2000

Right Ascension 10h 43m 04s

Declination +69° 04’ 33”

Galactic Coordinates

Galactic Longitude 138.24°

Galactic Latitude 44.04°

Finder Chart

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Finder chart for HR4181.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5

Class Giant

Absolute magnitude -0.58

Spectral Type K3III

Color Index (B-V) 1.38

Temperature 3983K

The red dot in the diagram below shows where HR4181 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4181. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4181 is distant 426.14 light years from the Sun

Distance (parsec) 130.72

Distance (light year) 426.14

Proper Motion RA 0.002 arcsec/y

Proper Motion Dec -0.012"/y

Alternative Designations

Henry Draper Catalogue HD92523

SAO Catalogue SAO15269

Hipparcos Catalogue HIP52425

Durchmusterung Catalogue BD+69 586

FK5 Catalogue 403

Visibility from Your Location

HR4181 is circumpolar and transits at 19:13 UTC (altitude: 72.5°)

Set Location

Other stars in Ursa Major