HR2271

Below the horizon. Rise: 11:49 | Tran: 15:53 | Set: 19:57

Alt: -7.33° Az: 245.36° Direction: West-South-West

HR2271 is a variable sub-giant star of spectral class B4 in the constellation of Canis Major.

HR2271 visual magnitude is 5.81. Because of its faintness, HR2271 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 HR2271. The red arrow shows the motion of HR2271 during the next 100000 years (-15.00 arcmin in Right Ascension and -15.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 06h 20m 04s

Declination -20° 56’ 17”

Hour Angle 04h 59m 23s

Sidereal Time 11h 19m 28s

J2000

Right Ascension 06h 18m 59s

Declination -20° 55’ 33”

Galactic Coordinates

Galactic Longitude 228.51°

Galactic Latitude -16.27°

Finder Chart

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Finder chart for HR2271.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.81

Class Sub-giant

Absolute magnitude -2.95

Spectral Type B4IV

Color Index (B-V) -0.15

Temperature 12489K

The red dot in the diagram below shows where HR2271 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2271. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR2271 is distant 1,841.81 light years from the Sun and it is moving far from the Sun at the speed of 31 kilometers per second.

Distance (parsec) 564.97

Distance (light year) 1,841.81

Radial Speed 31 km/s

Proper Motion RA -0.009 arcsec/y

Proper Motion Dec -0.009"/y

Alternative Designations

Henry Draper Catalogue HD44081

SAO Catalogue SAO171549

Hipparcos Catalogue HIP30011

Durchmusterung Catalogue BD-20 1355

General Catalogue of Variable Stars 2915

Visibility from Your Location

Today's HR2271 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 110.9° RISE 11:49

Max altitude: 17.6° TRANSIT 15:53

Azimuth: 249.1° SET 19:57

Set Location

Other stars in Canis Major