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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:08 
Transit: 12:13 
Sunset: 17:20
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All Constellations » Eridanus » 

47 Eridani

Below the horizon.  Rise: 13:22 | Tran: 18:39 | Set: 0:00
Alt: -2.94°   Az: 99.45°   Direction: East

47 Eridani is a variable giant star of spectral class M3 in the constellation of Eridanus.

47 Eridani visual magnitude is 5.11. Because of its faintness, 47 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.

Image of 47 Eridani star
DSS2 image of 47 Eridani. The red arrow shows the motion of 47 Eridani during the next 10000 years (-3.00 arcmin in Right Ascension and -0.17 arcmin in declination);

Celestial Coordinates

Apparent

04h 35m 24s
-08° 10’ 50”
18h 22m 19s
22h 57m 44s

J2000

04h 34m 11s
-08° 13’ 53”

Galactic Coordinates

204.1°
-34.18°

Finder Chart

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Finder chart for 47 Eridani.

Magnitude, Color, Spectral Class

5.11
Giant

-1.85
M3III
3516K

The red dot in the diagram below shows where 47 Eridani is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 47 Eridani. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

47 Eridani is distant 804.94 light years from the Sun and it is moving towards the Sun at the speed of 12 kilometers per second.

246.91
804.94
-12 km/s
-0.018 arcsec/y
-0.001"/y

Alternative Designations

SAO131315
SAO131315

Visibility from Your Location

Today's 47 Eridani rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 98.2°
Max altitude: 30.3°
Azimuth: 261.8°