15 Eridani

Below the horizon. Rise: 7:48 | Tran: 11:42 | Set: 15:36

Alt: -42.69° Az: 70.99° Direction: East-North-East

15 Eridani is a double giant star of spectral class G6 in the constellation of Eridanus.

15 Eridani visual magnitude is 4.88. Because of its moderate brightness, 15 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 15 Eridani. The red arrow shows the motion of 15 Eridani during the next 10000 years (3.00 arcmin in Right Ascension and 2.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 03h 19m 29s

Declination -22° 25’ 11”

Hour Angle 15h 14m 59s

Sidereal Time 18h 34m 28s

J2000

Right Ascension 03h 18m 22s

Declination -22° 30’ 41”

Galactic Coordinates

Galactic Longitude 213.26°

Galactic Latitude -56.46°

Finder Chart

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Finder chart for 15 Eridani.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.88

Class Giant

Absolute magnitude 0.41

Spectral Type G6III

Color Index (B-V) 0.9

Temperature 4996K

The red dot in the diagram below shows where 15 Eridani is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 15 Eridani. Attribution: Richard Powell / CC BY-SA

Star System Properties

15 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 15 Eridani double sysyem:

Main star magnitude 4.88

Secondary star magnitude 6.18

Magnitude difference 1.3

Separation 0.2 arcsec

Distance, Radial Speed, Proper Motion

15 Eridani is distant 254.89 light years from the Sun and it is moving far from the Sun at the speed of 24 kilometers per second.

Distance (parsec) 78.19

Distance (light year) 254.89

Radial Speed 24 km/s

Proper Motion RA 0.018 arcsec/y

Proper Motion Dec 0.012"/y

Alternative Designations

Flamsteed designation 15 Eridani

Henry Draper Catalogue HD20610

SAO Catalogue SAO168452

Hipparcos Catalogue HIP15382

Durchmusterung Catalogue BD-22 1146

Aitken Double Star Catalogue ADS2463

Visibility from Your Location

Today's 15 Eridani rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 112.4° RISE 7:48

Max altitude: 16.1° TRANSIT 11:42

Azimuth: 247.6° SET 15:36

Set Location

Other stars in Eridanus