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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:41  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
wb_twilight Astronomical TwilightWhat's Visible Now?
All Constellations » Canis Major » 


Altitude: -36.6°   Azimuth: 57.8°   Direction: East-North-East

HR2859 is a variable and multiple supergiant star in the constellation of Canis Major.

HR2859 visual magnitude is 5.79. Because of its reltive faintness, HR2859 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR2859:


HR2859 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -36.6°
Azimuth: 57.8°
Direction: East-North-East

Celestial coordinates and finder chart of HR2859

HR2859 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR2859 are provided in the following table:

07h 27m 51s
-11° 33’ 24”
Canis Major

The simplified sky map below shows the position of HR2859 in the sky:

Finder chart HR2859 star
Simplified finder chart for HR2859.

Visibility of HR2859 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's HR2859 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 101.6°
Max altitude: 27.0°
Azimuth: 258.4°

Digitized Sky Survey image of HR2859

The image below is a photograph of HR2859 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR2859 is -0.004 arcsec per year in Right Ascension and -0.001 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR2859 star
DSS2 image of HR2859. The red arrow shows the motion of HR2859 during the next 100000 years (-6.67 arcmin in Right Ascension and -1.67 arcmin in declination);

Distance of HR2859 from the Sun and relative movement

HR2859 is distant 1,009.29 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

309.60 pc
1,009.29 ly
15 km/s
-0.004 arcsec/year
-0.001 arcsec/year

Spectral properties of HR2859

HR2859 belongs to spectral class G8 and has a luminosity class of I corresponding to a supergiant star.


The red dot in the diagram below shows where HR2859 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2859. Attribution: Richard Powell / CC BY-SA

HR2859 star system properties

HR2859 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR2859 double sysyem:

0.9 arcsec

Alternative designations of HR2859