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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:01 
Transit: 12:56 
Sunset: 20:52
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All Constellations » Canis Major » 

HR2839

Below the horizon.  Rise: 12:31 | Tran: 16:28 | Set: 20:24
Alt: -1.24°   Az: 125.12°   Direction: South-East

HR2839 is a double supergiant star of spectral class A8 in the constellation of Canis Major.

HR2839 visual magnitude is 6.05. Because of its faintness, HR2839 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 HR2839 star
DSS2 image of HR2839. The red arrow shows the motion of HR2839 during the next 10000 years (-1.67 arcmin in Right Ascension and 0.50 arcmin in declination);

Celestial Coordinates

Apparent

07h 26m 25s
-22° 02’ 04”
19h 52m 21s
03h 18m 46s

J2000

07h 25m 19s
-21° 58’ 58”

Galactic Coordinates

236.26°
-2.81°

Finder Chart

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Finder chart for HR2839.

Magnitude, Color, Spectral Class

6.05
Supergiant

-3.89
A8I
7938K

The red dot in the diagram below shows where HR2839 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2839. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR2839 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 HR2839 double sysyem:

6.05
13.45
7.4
2.4 arcsec

Distance, Radial Speed, Proper Motion

HR2839 is distant 3,165.05 light years from the Sun and it is moving far from the Sun at the speed of 41 kilometers per second.

970.87
3,165.05
41 km/s
-0.01 arcsec/y
0.003"/y

Alternative Designations

SAO173691
SAO173691

Visibility from Your Location

Today's HR2839 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 112.0°
Max altitude: 16.5°
Azimuth: 248.0°