ν Eridani (nu Eridani)

Below the horizon. Rise: 17:47 | Tran: 23:28 | Set: 5:14

Alt: -3.83° Az: 90.50° Direction: East

ν Eridani is a variable and double giant star of spectral class B2 in the constellation of Eridanus.

ν Eridani visual magnitude is 3.93. Because of its moderate brightness, ν 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 ν Eridani. The red arrow shows the motion of ν Eridani during the next 100000 years (3.33 arcmin in Right Ascension and -8.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 04h 37m 33s

Declination -03° 18’ 11”

Hour Angle 17h 52m 00s

Sidereal Time 22h 29m 34s

J2000

Right Ascension 04h 36m 19s

Declination -03° 21’ 09”

Galactic Coordinates

Galactic Longitude 199.31°

Galactic Latitude -31.38°

Finder Chart

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Finder chart for ν Eridani (nu Eridani).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 3.93

Class Giant

Absolute magnitude -2.34

Spectral Type B2III

Color Index (B-V) -0.21

Temperature 13831K

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

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

Star System Properties

ν Eridani is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the ν Eridani double sysyem:

Main star magnitude 3.93

Secondary star magnitude 13.13

Magnitude difference 9.2

Separation 50.9 arcsec

Distance, Radial Speed, Proper Motion

ν Eridani is distant 586.33 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

Distance (parsec) 179.86

Distance (light year) 586.33

Radial Speed 15 km/s

Proper Motion RA 0.002 arcsec/y

Proper Motion Dec -0.005"/y

Alternative Designations

Bayer designation ν Eridani
(nu Eridani)

Flamsteed designation 48 Eridani

Henry Draper Catalogue HD29248

SAO Catalogue SAO131346

Hipparcos Catalogue HIP21444

Durchmusterung Catalogue BD-03 834

FK5 Catalogue 169

General Catalogue of Variable Stars Nu Eri

Visibility from Your Location

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

Azimuth: 93.3° RISE 17:47

Max altitude: 35.2° TRANSIT 23:28

Azimuth: 266.7° SET 5:14

Set Location

Other stars in Eridanus