25 Eridani

Below the horizon. Rise: 23:30 | Tran: 5:31 | Set: 11:28

Alt: -15.24° Az: 70.38° Direction: East-North-East

25 Eridani is a giant star of spectral class K4 in the constellation of Eridanus.

25 Eridani visual magnitude is 5.55. Because of its faintness, 25 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 25 Eridani. The red arrow shows the motion of 25 Eridani during the next 10000 years (9.50 arcmin in Right Ascension and -0.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 03h 46m 12s

Declination -00° 13’ 14”

Hour Angle 16h 21m 21s

Sideral Time 20h 07m 33s

J2000

Right Ascension 03h 44m 56s

Declination -00° 17’ 48”

Galactic Coordinates

Galactic Longitude 187.48°

Galactic Latitude -40.49°

Finder Chart

Simplified finder chart for 25 Eridani.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.55

Class Giant

Absolute magnitude 0.39

Spectral Type K4III

Color Index (B-V) 1.42

Temperature 3918K

The red dot in the diagram below shows where 25 Eridani is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 25 Eridani. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

25 Eridani is distant 351.29 light years from the Sun and it is moving far from the Sun at the speed of 71 kilometers per second.

Distance (parsec) 107.76

Distance (light year) 351.29

Radial Speed 71 km/s

Proper Motion RA 0.057 arcsec/y

Proper Motion Dec -0.001"/y

Alternative Designations

Flamsteed designation 25 Eridani

Henry Draper Catalogue HD23413

SAO Catalogue SAO130704

Hipparcos Catalogue HIP17506

Durchmusterung Catalogue BD-00 593

Visibility from Your Location

Today's 25 Eridani rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 90.2° RISE 23:30

Max altitude: 38.3° TRANSIT 5:31

Azimuth: 269.8° SET 11:28

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Eridanus