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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:10 
Transit: 12:13 
Sunset: 17:18
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All Constellations » Canis Major » 

HR2455

Below the horizon.  Rise: 17:03 | Tran: 20:48 | Set: 0:37
Alt: -30.45°   Az: 90.62°   Direction: East

HR2455 is a double hypergiant star of spectral class A0 in the constellation of Canis Major.

HR2455 visual magnitude is 6.05. Because of its faintness, HR2455 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.

Image of HR2455 star
DSS2 image of HR2455. The red arrow shows the motion of HR2455 during the next 10000 years (2.17 arcmin in Right Ascension and -0.33 arcmin in declination);

Celestial Coordinates

Apparent

06h 40m 39s
-23° 43’ 11”
16h 41m 16s
23h 21m 55s

J2000

06h 39m 36s
-23° 41’ 44”

Galactic Coordinates

233.11°
-13.02°

Finder Chart

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  Loading map...
Finder chart for HR2455.

Magnitude, Color, Spectral Class

6.05
Hypergiant

-0.32
A0
10516K

The red dot in the diagram below shows where HR2455 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2455. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR2455 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR2455 double sysyem:

6.05
6.45
0.4
0.1 arcsec

Distance, Radial Speed, Proper Motion

HR2455 is distant 613.94 light years from the Sun and it is moving far from the Sun at the speed of 26 kilometers per second.

188.32
613.94
26 km/s
0.013 arcsec/y
-0.002"/y

Alternative Designations

SAO172102
SAO172102

Visibility from Your Location

Today's HR2455 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 113.7°
Max altitude: 14.8°
Azimuth: 246.3°