7 Eridani

Below the horizon. Rise: 4:14 | Tran: 9:58 | Set: 15:43

Alt: -34.11° Az: 40.80° Direction: South-South-West

7 Eridani is a variable giant star of spectral class M1 in the constellation of Eridanus.

7 Eridani visual magnitude is 6.11. Because of its faintness, 7 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 7 Eridani. The red arrow shows the motion of 7 Eridani during the next 10000 years (3.33 arcmin in Right Ascension and 1.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 03h 02m 08s

Declination -02° 46’ 44”

Hour Angle 14h 11m 10s

Sidereal Time 17h 13m 18s

J2000

Right Ascension 03h 00m 51s

Declination -02° 52’ 42”

Galactic Coordinates

Galactic Longitude 180.47°

Galactic Latitude -50.7°

Finder Chart

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Finder chart for 7 Eridani.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.11

Class Giant

Absolute magnitude -0.79

Spectral Type M1III

Color Index (B-V) 1.77

Temperature 3428K

The red dot in the diagram below shows where 7 Eridani is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 7 Eridani. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

7 Eridani is distant 781.77 light years from the Sun and it is moving far from the Sun at the speed of 80 kilometers per second.

Distance (parsec) 239.81

Distance (light year) 781.77

Radial Speed 80 km/s

Proper Motion RA 0.02 arcsec/y

Proper Motion Dec 0.006"/y

Alternative Designations

Flamsteed designation 7 Eridani

Henry Draper Catalogue HD18760

SAO Catalogue SAO130242

Hipparcos Catalogue HIP14040

Durchmusterung Catalogue BD-03 478

General Catalogue of Variable Stars CV Eri

Visibility from Your Location

Today's 7 Eridani rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 92.8° RISE 4:14

Max altitude: 35.7° TRANSIT 9:58

Azimuth: 267.2° SET 15:43

Set Location

Other stars in Eridanus