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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:08 
Transit: 12:13 
Sunset: 17:20
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All Constellations » Canis Major » 

HR2831

Above the horizon.  Rise: 17:13 | Tran: 21:29 | Set: 1:49
Alt: 16.96°   Az: 158.64°   Direction: South-South-East

HR2831 is a double supergiant star of spectral class A2 in the constellation of Canis Major.

HR2831 visual magnitude is 6.24. Because of its faintness, HR2831 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 HR2831 star
DSS2 image of HR2831. The red arrow shows the motion of HR2831 during the next 10000 years (-3.50 arcmin in Right Ascension and 0.83 arcmin in declination);

Celestial Coordinates

Apparent

07h 25m 57s
-19° 03’ 47”
22h 33m 29s
05h 59m 26s

J2000

07h 24m 50s
-19° 00’ 43”

Galactic Coordinates

233.58°
-1.51°

Finder Chart

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Finder chart for HR2831.

Magnitude, Color, Spectral Class

6.24
Supergiant

-2.45
A2I
7526K

The red dot in the diagram below shows where HR2831 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2831. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR2831 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR2831 double sysyem:

6.24
11.14
4.9
2.7 arcsec

Distance, Radial Speed, Proper Motion

HR2831 is distant 1,781.42 light years from the Sun and it is moving far from the Sun at the speed of 70 kilometers per second.

546.45
1,781.42
70 km/s
-0.021 arcsec/y
0.005"/y

Alternative Designations

SAO152837
SAO152837

Visibility from Your Location

Today's HR2831 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 109.1°
Max altitude: 19.5°
Azimuth: 250.9°