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public LocationGreenwich, UK
Sunrise: 5:01 
Transit: 13:04 
Sunset: 21:06
sunny   (Daytime)   What's Visible Now?
All Constellations » Eridanus » 

46 Eridani

Above the horizon.  Rise: 4:32 | Tran: 9:56 | Set: 15:20
Alt: 15.60°   Az: 123.03°   Direction: East-South-East

46 Eridani is a variable and double star of spectral class B9 in the constellation of Eridanus.

46 Eridani visual magnitude is 5.72. Because of its faintness, 46 Eridani is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

46 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.

Image of 46 Eridani star
DSS2 image of 46 Eridani. The red arrow shows the motion of 46 Eridani during the next 100000 years (0.00 arcmin in Right Ascension and -11.67 arcmin in declination);

Celestial Coordinates


04h 35m 06s
-06° 41’ 20”
20h 22m 24s
00h 57m 31s


04h 33m 54s
-06° 44’ 20”

Galactic Coordinates


Finder Chart

Finder chart 46 Eridani star
Simplified finder chart for 46 Eridani.

Magnitude, Color, Spectral Class

46 Eridani is also a Si chemically peculiar star.


The red dot in the diagram below shows where 46 Eridani is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 46 Eridani. Attribution: Richard Powell / CC BY-SA

Star System Properties

46 Eridani is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the 46 Eridani double sysyem:

1.2 arcsec

Distance, Radial Speed, Proper Motion

46 Eridani is distant 779.90 light years from the Sun and it is moving far from the Sun at the speed of 2 kilometers per second.

239.23 pc
779.90 ly
2 km/s
-0.007 "/y

Alternative Designations


Visibility from Your Location

Today's 46 Eridani rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 96.7°
Max altitude: 31.8°
Azimuth: 263.3°