HR2855

Above the horizon. Rise: 3:13 | Tran: 7:02 | Set: 10:51

Alt: 10.16° Az: 150.02° Direction: South-South-East

HR2855 is a variable hypergiant star of spectral class B0 in the constellation of Canis Major.

HR2855 visual magnitude is 5.61. Because of its faintness, HR2855 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 HR2855. The red arrow shows the motion of HR2855 during the next 10000 years (-2.00 arcmin in Right Ascension and 0.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 07h 28m 02s

Declination -23° 08’ 15”

Hour Angle 21h 50m 39s

Sideral Time 05h 18m 42s

J2000

Right Ascension 07h 26m 59s

Declination -23° 05’ 09”

Galactic Coordinates

Galactic Longitude 237.41°

Galactic Latitude -3°

Finder Chart

Simplified finder chart for HR2855.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.61

Class Hypergiant

Absolute magnitude -2.58

Spectral Type B0IV

Color Index (B-V) -0.13

Temperature 12103K

The red dot in the diagram below shows where HR2855 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2855. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR2855 is distant 1,417.39 light years from the Sun and it is moving far from the Sun at the speed of 25 kilometers per second.

Distance (parsec) 434.78

Distance (light year) 1,417.39

Radial Speed 25 km/s

Proper Motion RA -0.012 arcsec/y

Proper Motion Dec 0.004"/y

Alternative Designations

Henry Draper Catalogue HD58978

SAO Catalogue SAO173752

Hipparcos Catalogue HIP36168

Durchmusterung Catalogue BD-22 1874

General Catalogue of Variable Stars FY CMa

Visibility from Your Location

Today's HR2855 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 113.1° RISE 3:13

Max altitude: 15.4° TRANSIT 7:02

Azimuth: 246.9° SET 10:51

Set Location

Other stars in Canis Major