μ Eridani (mu Eridani)

Below the horizon. Rise: 6:01 | Tran: 11:43 | Set: 17:25

Alt: -41.33° Az: 9.92° Direction: South-West

μ Eridani is a sub-giant star of spectral class B5 in the constellation of Eridanus.

μ Eridani visual magnitude is 4.02. Because of its moderate brightness, μ 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.

DSS2 image of μ Eridani. The red arrow shows the motion of μ Eridani during the next 10000 years (2.67 arcmin in Right Ascension and -2.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 04h 46m 46s

Declination -03° 12’ 35”

Hour Angle 12h 29m 46s

Sidereal Time 17h 16m 33s

J2000

Right Ascension 04h 45m 30s

Declination -03° 15’ 16”

Galactic Coordinates

Galactic Longitude 200.53°

Galactic Latitude -29.34°

Finder Chart

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Finder chart for μ Eridani (mu Eridani).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.02

Class Sub-giant

Absolute magnitude -2.04

Spectral Type B5IV

Color Index (B-V) -0.15

Temperature 12489K

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

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

Distance, Radial Speed, Proper Motion

μ Eridani is distant 531.81 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.

Distance (parsec) 163.13

Distance (light year) 531.81

Radial Speed 9 km/s

Proper Motion RA 0.016 arcsec/y

Proper Motion Dec -0.013"/y

Alternative Designations

Bayer designation μ Eridani
(mu Eridani)

Flamsteed designation 57 Eridani

Henry Draper Catalogue HD30211

SAO Catalogue SAO131468

Hipparcos Catalogue HIP22109

Durchmusterung Catalogue BD-03 876

FK5 Catalogue 176

Visibility from Your Location

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

Azimuth: 93.2° RISE 6:01

Max altitude: 35.3° TRANSIT 11:43

Azimuth: 266.8° SET 17:25

Set Location

Other stars in Eridanus