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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
SunriseRise: 7:01  
clear_day Transit: 12:12  
SunsetSet: 17:24
sunny DaytimeWhat's Visible Now?
All Constellations » Puppis » 


Altitude: -66.3°   Azimuth: 84.9°   Direction: East

HR2579 is a double main-sequence star in the constellation of Puppis.

HR2579 visual magnitude is 6.46. Because of its reltive faintness, HR2579 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The proper motion of HR2579 is -0.005 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 HR2579 star
DSS2 image of HR2579. The red arrow shows the motion of HR2579 during the next 100000 years (-8.33 arcmin in Right Ascension and 1.67 arcmin in declination);

Key facts about HR2579


HR2579 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -66.3°
Azimuth: 84.9°
Direction: East

Celestial coordinates and finder chart of HR2579

HR2579 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 HR2579 are provided in the following table:

06h 52m 47s
-43° 58’ 32”

The simplified sky map below shows the position of HR2579 in the sky:

Finder chart HR2579 star
Simplified finder chart for HR2579.

Visibility of HR2579 from your location

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

HR2579 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR2579 from the Sun and relative movement

HR2579 is distant 423.93 light years from the Sun and it is moving far from the Sun at the speed of 26 kilometers per second.

130.04 pc
423.93 ly
26 km/s
-0.005 arcsec/year
0.001 arcsec/year

Spectral properties of HR2579

HR2579 belongs to spectral class B8 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR2579 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR2579. Attribution: Richard Powell / CC BY-SA

HR2579 star system properties

HR2579 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 HR2579 double sysyem:

10 arcsec

Alternative designations of HR2579