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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:19 
Transit: 12:14 
Sunset: 17:09
wb_twilight   (Nautical Twilight)  
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All Constellations » Eridanus » 

39 Eridani

Below the horizon.  Rise: 13:37 | Tran: 18:43 | Set: 23:49
Alt: -48.13°   Az: 347.35°   Direction: North-North-West

39 Eridani is a multiple giant star of spectral class K3 in the constellation of Eridanus.

39 Eridani visual magnitude is 4.87. Because of its moderate brightness, 39 Eridani is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of 39 Eridani star
DSS2 image of 39 Eridani. The red arrow shows the motion of 39 Eridani during the next 1000 years (-0.15 arcmin in Right Ascension and -2.70 arcmin in declination);

Celestial Coordinates

Apparent

04h 15m 35s
-10° 11’ 40”
11h 25m 50s
15h 41m 26s

J2000

04h 14m 23s
-10° 15’ 23”

Galactic Coordinates

203.58°
-39.45°

Finder Chart

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Finder chart for 39 Eridani.

Magnitude, Color, Spectral Class

4.87
Giant

0.86
K3III
4368K

The red dot in the diagram below shows where 39 Eridani is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 39 Eridani. Attribution: Richard Powell / CC BY-SA

Star System Properties

39 Eridani is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 39 Eridani double sysyem:

4.87
8.57
3.7
6.4 arcsec

Distance, Radial Speed, Proper Motion

39 Eridani is distant 206.33 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.

63.29
206.33
7 km/s
-0.009 arcsec/y
-0.162"/y

Alternative Designations

SAO149478
SAO149478

Visibility from Your Location

Today's 39 Eridani rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 100.2°
Max altitude: 28.3°
Azimuth: 259.8°