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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: 5:39  
clear_day Transit: 12:56  
SunsetSet: 20:14
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All Constellations » Octans » 

HR4709

Altitude: -55.3°   Azimuth: 179.5°   Direction: South

HR4709 is a hypergiant star in the constellation of Octans.

HR4709 visual magnitude is 6.33. Because of its reltive faintness, HR4709 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR4709 is -0.017 arcsec per year in Right Ascension and -0.001 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4709 star
DSS2 image of HR4709. The red arrow shows the motion of HR4709 during the next 10000 years (-2.83 arcmin in Right Ascension and -0.17 arcmin in declination);

Key facts about HR4709

6.33
Hypergiant

HR4709 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -55.3°
Azimuth: 179.5°
Direction: South

Celestial coordinates and finder chart of HR4709

HR4709 is situated close to the southern celestial pole and, as such, it is easilty visible for most part of the year from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR4709 are provided in the following table:

12h 25m 37s
-86° 09’ 02”
302.46°
-23.3°
Octans

The simplified sky map below shows the position of HR4709 in the sky:

Finder chart HR4709 star
Simplified finder chart for HR4709.

Visibility of HR4709 from your location

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

HR4709 is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of HR4709 from the Sun and relative movement

HR4709 is distant 765.26 light years from the Sun and it is moving far from the Sun at the speed of 25 kilometers per second.

234.74 pc
765.26 ly
25 km/s
-0.017 arcsec/year
-0.001 arcsec/year

Spectral properties of HR4709

HR4709 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.

-0.52
K0III
4559K

The red dot in the diagram below shows where HR4709 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4709. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4709

SAO258644
SAO258644