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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:50  
clear_day Transit: 11:50  
SunsetSet: 15:49 south
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All Constellations » Eridanus » 

ρ3 Eridani (rho3 Eridani)

Altitude: 2.0°   Azimuth: 104.9°   Direction: East-South-East

ρ3 Eridani is a main-sequence star in the constellation of Eridanus.

ρ3 Eridani visual magnitude is 5.26. Because of its reltive faintness, ρ3 Eridani 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 ρ3 Eridani:


ρ3 Eridani (rho3 Eridani) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 2.0°
Azimuth: 104.9°
Direction: East-South-East

Celestial coordinates and finder chart of ρ3 Eridani

ρ3 Eridani 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 ρ3 Eridani are provided in the following table:

03h 04m 16s
-07° 36’ 02”

The simplified sky map below shows the position of ρ3 Eridani in the sky:

Finder chart ρ3 Eridani (rho3 Eridani) star
Simplified finder chart for ρ3 Eridani (rho3 Eridani).

Visibility of ρ3 Eridani 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 ρ3 Eridani (rho3 Eridani) 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: 97.6°
Max altitude: 30.9°
Azimuth: 262.4°

Digitized Sky Survey image of ρ3 Eridani

The image below is a photograph of ρ3 Eridani 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 ρ3 Eridani is 0.056 arcsec per year in Right Ascension and 0.013 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of ρ3 Eridani (rho3 Eridani) star
DSS2 image of ρ3 Eridani. The red arrow shows the motion of ρ3 Eridani during the next 10000 years (9.33 arcmin in Right Ascension and 2.17 arcmin in declination);

Distance of ρ3 Eridani from the Sun and relative movement

ρ3 Eridani is distant 140.40 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

43.07 pc
140.40 ly
15 km/s
0.056 arcsec/year
0.013 arcsec/year

Spectral properties of ρ3 Eridani

ρ3 Eridani belongs to spectral class A8 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where ρ3 Eridani is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of ρ3 Eridani. Attribution: Richard Powell / CC BY-SA

Alternative designations of ρ3 Eridani

ρ3 Eridani
(rho3 Eridani)