45 Eridani

Above the horizon. Rise: 7:49 | Tran: 13:47 | Set: 19:45

Alt: 8.49° Az: 100.80° Direction: 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.

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

Right Ascension 04h 33m 10s

Declination +00° 00’ 31”

Hour Angle 18h 54m 49s

Sidereal Time 23h 28m 00s

J2000

Right Ascension 04h 31m 52s

Declination -00° 02’ 38”

Galactic Coordinates

Galactic Longitude 195.34°

Galactic Latitude -30.63°

Finder Chart

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Finder chart for 45 Eridani.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.91

Class Bright giant

Absolute magnitude -2.12

Spectral Type K3II

Color Index (B-V) 1.32

Temperature 4086K

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

Distance (parsec) 254.45

Distance (light year) 829.52

Radial Speed 17 km/s

Proper Motion RA 0.003 arcsec/y

Proper Motion Dec -0.009"/y

Alternative Designations

Flamsteed designation 45 Eridani

Henry Draper Catalogue HD28749

SAO Catalogue SAO131270

Hipparcos Catalogue HIP21139

Durchmusterung Catalogue BD-00 713

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° RISE 7:49

Max altitude: 38.5° TRANSIT 13:47

Azimuth: 270.0° SET 19:45

In Evidence

Other stars in Eridanus

45 Eridani

Celestial Coordinates

Apparent

J2000

Galactic Coordinates

Finder Chart

Magnitude, Color, Spectral Class

Distance, Radial Speed, Proper Motion

Alternative Designations

Visibility from Your Location

Set Location

In Evidence

Other stars in Eridanus

45 Eridani

Celestial Coordinates

Apparent

J2000

Galactic Coordinates

Finder Chart

Magnitude, Color, Spectral Class

Distance, Radial Speed, Proper Motion

Alternative Designations

Visibility from Your Location