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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: 7:40  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
sunny DaytimeWhat's Visible Now?
All Constellations » Eridanus » 


Altitude: -42.4°   Azimuth: 322.2°   Direction: North-West

HR859 is a sub-giant star in the constellation of Eridanus.

HR859 visual magnitude is 6.32. Because of its reltive faintness, HR859 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 HR859:


HR859 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -42.4°
Azimuth: 322.2°
Direction: North-West

Celestial coordinates and finder chart of HR859

HR859 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 HR859 are provided in the following table:

02h 52m 50s
-09° 26’ 27”

The simplified sky map below shows the position of HR859 in the sky:

Finder chart HR859 star
Simplified finder chart for HR859.

Visibility of HR859 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 HR859 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: 99.4°
Max altitude: 29.1°
Azimuth: 260.6°

Digitized Sky Survey image of HR859

The image below is a photograph of HR859 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 HR859 is 0.074 arcsec per year in Right Ascension and 0.05 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR859 star
DSS2 image of HR859. The red arrow shows the motion of HR859 during the next 10000 years (12.33 arcmin in Right Ascension and 8.33 arcmin in declination);

Distance of HR859 from the Sun and relative movement

HR859 is distant 327.97 light years from the Sun and it is moving far from the Sun at the speed of 35 kilometers per second.

100.60 pc
327.97 ly
35 km/s
0.074 arcsec/year
0.05 arcsec/year

Spectral properties of HR859

HR859 belongs to spectral class A7 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR859 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR859. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR859