We use cookies to deliver essential features and to measure their performance. Learn more.
Home
Search Objects
Major Solar System Objects
Comets
Asteroids
Spacecrafts
Star Maps
Orbits
public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:09 
Transit: 11:43 
Sunset: 16:18
sleep   (Nighttime)  
What's Visible Now • Tonight Timeline
Search  close
All Constellations » Eridanus » 

45 Eridani

Above the horizon.  Rise: 19:16 | Tran: 1:18 | Set: 7:16
Alt: 9.81°   Az: 102.54°   Direction: East-South-East

45 Eridani is a bright giant star of spectral class K3 in the constellation of Eridanus.

45 Eridani visual magnitude is 4.91. Because of its moderate brightness, 45 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 45 Eridani star
DSS2 image of 45 Eridani. The red arrow shows the motion of 45 Eridani during the next 100000 years (5.00 arcmin in Right Ascension and -15.00 arcmin in declination);

Celestial Coordinates

Apparent

04h 33m 09s
+00° 00’ 27”
19h 03m 29s
23h 36m 38s

J2000

04h 31m 52s
-00° 02’ 38”

Galactic Coordinates

195.34°
-30.63°

Finder Chart

Finder chart 45 Eridani star
Simplified finder chart for 45 Eridani.

Magnitude, Color, Spectral Class

4.91
Bright giant

-2.12
K3II
4086K

The red dot in the diagram below shows where 45 Eridani is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 45 Eridani. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

45 Eridani is distant 829.52 light years from the Sun and it is moving far from the Sun at the speed of 17 kilometers per second.

254.45
829.52
17 km/s
0.003 arcsec/y
-0.009"/y

Alternative Designations

SAO131270
SAO131270

Visibility from Your Location

Today's 45 Eridani rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 90.0°
Max altitude: 38.5°
Azimuth: 270.0°