Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]
🌅 Sunrise: 5:59  ☀️ Transit: 12:05  🌅 Sunset: 18:13

λ Eridani (lambda Eridani)

λ Eridani is a variable sub-giant star in the constellation of Eridanus.

λ Eridani visual magnitude is 4.27. Because of its moderate brightness, λ Eridani should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about λ Eridani:

λ Eridani (lambda Eridani) is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of λ Eridani

λ 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 λ Eridani are provided in the following table:

05h 09m 08s
-08° 45’ 15”

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

Finder chart λ Eridani (lambda Eridani) star
Simplified finder chart for λ Eridani (lambda Eridani).

Visibility of λ Eridani from your location

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

Today's λ Eridani (lambda Eridani) rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 98.8°
Max altitude: 29.8°
Azimuth: 261.2°
λ Eridani (lambda Eridani) is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of λ Eridani

The image below is a photograph of λ 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 λ Eridani is 0.002 arcsec per year in Right Ascension and -0.004 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of λ Eridani (lambda Eridani) star
DSS2 image of λ Eridani. The red arrow shows the motion of λ Eridani during the next 100000 years (3.33 arcmin in Right Ascension and -6.67 arcmin in declination);

Distance of λ Eridani from the Sun and relative movement

λ Eridani is distant 1,752.69 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

537.63 pc
1,752.69 ly
3 km/s
0.002 arcsec/year
-0.004 arcsec/year

Spectral properties of λ Eridani

λ Eridani belongs to spectral class B2 and has a luminosity class of IV corresponding to a sub-giant star.


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

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

Alternative designations of λ Eridani

λ Eridani
(lambda Eridani)