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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 6:47  
clear_day Transit: 12:50  
SunsetSet: 18:52 south
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All Constellations » Carina » 


Altitude: -69.2°   Azimuth: 105.7°   Direction: East-South-East

HR2813 is a double hypergiant star in the constellation of Carina.

HR2813 visual magnitude is 6.05. Because of its reltive faintness, HR2813 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 HR2813:


HR2813 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -69.2°
Azimuth: 105.7°
Direction: East-South-East

Celestial coordinates and finder chart of HR2813

HR2813 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR2813 are provided in the following table:

07h 20m 21s
-52° 18’ 42”

The simplified sky map below shows the position of HR2813 in the sky:

Finder chart HR2813 star
Simplified finder chart for HR2813.

Visibility of HR2813 from your location

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

HR2813 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR2813

The image below is a photograph of HR2813 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 HR2813 is -0.036 arcsec per year in Right Ascension and 0.134 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR2813 star
DSS2 image of HR2813. The red arrow shows the motion of HR2813 during the next 1000 years (-0.60 arcmin in Right Ascension and 2.23 arcmin in declination);

Distance of HR2813 from the Sun and relative movement

HR2813 is distant 113.39 light years from the Sun and it is moving far from the Sun at the speed of 22 kilometers per second.

34.78 pc
113.39 ly
22 km/s
-0.036 arcsec/year
0.134 arcsec/year

Spectral properties of HR2813

HR2813 belongs to spectral class F0 and has a luminosity class of IV corresponding to a hypergiant star.


The red dot in the diagram below shows where HR2813 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2813. Attribution: Richard Powell / CC BY-SA

HR2813 star system properties

HR2813 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR2813 double sysyem:

9.3 arcsec

Alternative designations of HR2813