HR2105

Above the horizon. Circumpolar today

Alt: 79.40° Az: 97.43° Direction: East

HR2105 is a hypergiant star of spectral class K0 in the constellation of Auriga.

HR2105 visual magnitude is 5.96. Because of its faintness, HR2105 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of HR2105. The red arrow shows the motion of HR2105 during the next 10000 years (0.83 arcmin in Right Ascension and -2.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 06h 03m 37s

Declination +48° 57’ 28”

Hour Angle 22h 55m 29s

Sideral Time 04h 59m 07s

J2000

Right Ascension 06h 01m 43s

Declination +48° 57’ 33”

Galactic Coordinates

Galactic Longitude 164.01°

Galactic Latitude 12.6°

Finder Chart

Simplified finder chart for HR2105.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.96

Class Hypergiant

Absolute magnitude -0.66

Spectral Type K0

Color Index (B-V) 1.45

Temperature 3870K

The red dot in the diagram below shows where HR2105 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2105. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR2105 is distant 686.32 light years from the Sun and it is moving far from the Sun at the speed of 11 kilometers per second.

Distance (parsec) 210.53

Distance (light year) 686.32

Radial Speed 11 km/s

Proper Motion RA 0.005 arcsec/y

Proper Motion Dec -0.015"/y

Alternative Designations

Henry Draper Catalogue HD40486

SAO Catalogue SAO40789

Hipparcos Catalogue HIP28562

Durchmusterung Catalogue BD+48 1333

FK5 Catalogue 2458

Visibility from Your Location

HR2105 is circumpolar and transits at 04:46 UTC (altitude: 87.5°)

Set Location

Other stars in Auriga