υ Aurigae (upsilon Aurigae)

Above the horizon. Rise: 4:33 | Tran: 15:22 | Set: 2:15

Alt: 56.31° Az: 262.54° Direction: West

υ Aurigae is a variable hypergiant star of spectral class M0 in the constellation of Auriga.

υ Aurigae visual magnitude is 4.74. Because of its moderate brightness, υ Aurigae 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.

Image of υ Aurigae (upsilon Aurigae) star

DSS2 image of υ Aurigae. The red arrow shows the motion of υ Aurigae during the next 10000 years (5.83 arcmin in Right Ascension and -7.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 05h 52m 46s

Declination +37° 18’ 37”

Hour Angle 02h 54m 58s

Sidereal Time 08h 47m 45s

J2000

Right Ascension 05h 51m 02s

Declination +37° 18’ 20”

Galactic Coordinates

Galactic Longitude 173.39°

Galactic Latitude 5.28°

Finder Chart

Loading map...

Finder chart for υ Aurigae (upsilon Aurigae).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.74

Class Hypergiant

Absolute magnitude -1.08

Spectral Type M0III

Color Index (B-V) 1.62

Temperature 3622K

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

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

Distance, Radial Speed, Proper Motion

υ Aurigae is distant 475.22 light years from the Sun and it is moving far from the Sun at the speed of 38 kilometers per second.

Distance (parsec) 145.77

Distance (light year) 475.22

Radial Speed 38 km/s

Proper Motion RA 0.035 arcsec/y

Proper Motion Dec -0.047"/y

Alternative Designations

Bayer designation υ Aurigae
(upsilon Aurigae)

Flamsteed designation 31 Aurigae

Henry Draper Catalogue HD38944

SAO Catalogue SAO58496

Hipparcos Catalogue HIP27639

Durchmusterung Catalogue BD+37 1336

FK5 Catalogue 2440

General Catalogue of Variable Stars 2661

Visibility from Your Location

Today's υ Aurigae (upsilon Aurigae) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 52.7° RISE 4:33

Max altitude: 75.8° TRANSIT 15:22

Azimuth: 307.3° SET 2:15

Set Location

Other stars in Auriga