HR3103

Above the horizon. Rise: 10:27 | Tran: 17:01 | Set: 23:35

Alt: 43.68° Az: 157.47° Direction: South-South-East

HR3103 is a variable hypergiant star of spectral class A0 in the constellation of Canis Minor.

HR3103 visual magnitude is 6.41. Because of its faintness, HR3103 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 HR3103. The red arrow shows the motion of HR3103 during the next 10000 years (-3.33 arcmin in Right Ascension and -1.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 07h 59m 27s

Declination +07° 08’ 36”

Hour Angle 22h 55m 07s

Sidereal Time 06h 54m 34s

J2000

Right Ascension 07h 58m 05s

Declination +07° 12’ 48”

Galactic Coordinates

Galactic Longitude 214.02°

Galactic Latitude 18.09°

Finder Chart

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Finder chart for HR3103.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.41

Class Hypergiant

Absolute magnitude -0.65

Spectral Type A0V

Color Index (B-V) -0.04

Temperature 10653K

The red dot in the diagram below shows where HR3103 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3103. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR3103 is distant 842.38 light years from the Sun and it is moving far from the Sun at the speed of 35 kilometers per second.

Distance (parsec) 258.40

Distance (light year) 842.38

Radial Speed 35 km/s

Proper Motion RA -0.02 arcsec/y

Proper Motion Dec -0.007"/y

Alternative Designations

Henry Draper Catalogue HD65241

SAO Catalogue SAO116179

Hipparcos Catalogue HIP38945

Durchmusterung Catalogue BD+07 1879

General Catalogue of Variable Stars 3829

Visibility from Your Location

Today's HR3103 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 82.9° RISE 10:27

Max altitude: 45.7° TRANSIT 17:01

Azimuth: 277.1° SET 23:35

Set Location

Other stars in Canis Minor