22 Eridani

Above the horizon. Rise: 17:00 | Tran: 22:33 | Set: 4:09

Alt: 16.44° Az: 121.37° Direction: East-South-East

22 Eridani is a giant star of spectral class B9 in the constellation of Eridanus.

22 Eridani visual magnitude is 5.53. Because of its faintness, 22 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 22 Eridani. The red arrow shows the motion of 22 Eridani during the next 100000 years (-5.00 arcmin in Right Ascension and -1.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 03h 41m 52s

Declination -05° 07’ 53”

Hour Angle 20h 18m 46s

Sidereal Time 00h 00m 38s

J2000

Right Ascension 03h 40m 38s

Declination -05° 12’ 38”

Galactic Coordinates

Galactic Longitude 192.1°

Galactic Latitude -44.18°

Finder Chart

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Finder chart for 22 Eridani.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.53

Class Giant

22 Eridani is also a Si chemically peculiar star.

Absolute magnitude -1.25

Spectral Type B9III

Color Index (B-V) -0.15

Temperature 12489K

The red dot in the diagram below shows where 22 Eridani is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 22 Eridani. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

22 Eridani is distant 739.23 light years from the Sun and it is moving far from the Sun at the speed of 16 kilometers per second.

Distance (parsec) 226.76

Distance (light year) 739.23

Radial Speed 16 km/s

Proper Motion RA -0.003 arcsec/y

Proper Motion Dec -0.001"/y

Alternative Designations

Flamsteed designation 22 Eridani

Henry Draper Catalogue HD22920

SAO Catalogue SAO130652

Hipparcos Catalogue HIP17167

Durchmusterung Catalogue BD-05 715

FK5 Catalogue 2260

Visibility from Your Location

Today's 22 Eridani rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 95.1° RISE 17:00

Max altitude: 33.4° TRANSIT 22:33

Azimuth: 264.9° SET 4:09

Set Location

Other stars in Eridanus