47 Eridani

Below the horizon. Rise: 7:41 | Tran: 12:58 | Set: 18:15

Alt: -39.23° Az: 43.05° Direction: North-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.

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

Right Ascension 04h 35m 25s

Declination -08° 10’ 48”

Hour Angle 14h 09m 10s

Sidereal Time 18h 44m 35s

J2000

Right Ascension 04h 34m 11s

Declination -08° 13’ 53”

Galactic Coordinates

Galactic Longitude 204.1°

Galactic Latitude -34.18°

Finder Chart

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Finder chart for 47 Eridani.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.11

Class Giant

Absolute magnitude -1.85

Spectral Type M3III

Color Index (B-V) 1.7

Temperature 3516K

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

Distance (parsec) 246.91

Distance (light year) 804.94

Radial Speed -12 km/s

Proper Motion RA -0.018 arcsec/y

Proper Motion Dec -0.001"/y

Alternative Designations

Flamsteed designation 47 Eridani

Henry Draper Catalogue HD29064

SAO Catalogue SAO131315

Hipparcos Catalogue HIP21296

Durchmusterung Catalogue BD-08 887

FK5 Catalogue 2337

General Catalogue of Variable Stars DV Eri

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° RISE 7:41

Max altitude: 30.3° TRANSIT 12:58

Azimuth: 261.8° SET 18:15

Set Location

Other stars in Eridanus