Your guide to the Solar System and the night sky
Please donate now to help keep TheSkyLive ads-free. This site cannot run without your voluntary donations.
🌎  Greenwich, United Kingdom [change]

46 Eridani

46 Eridani is a variable and double star in the constellation of Eridanus.

46 Eridani visual magnitude is 5.72. Because of its reltive faintness, 46 Eridani should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about 46 Eridani:

5.72
46 Eridani is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of 46 Eridani

46 Eridani is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 46 Eridani are provided in the following table:

04h 33m 54s
-06° 44’ 20”
202.47°
-33.55°
Eridanus

The simplified sky map below shows the position of 46 Eridani in the sky:

Finder chart 46 Eridani star
Simplified finder chart for 46 Eridani.

Visibility of 46 Eridani from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's 46 Eridani rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 96.7°
Max altitude: 31.8°
Azimuth: 263.3°
46 Eridani is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 46 Eridani

The image below is a photograph of 46 Eridani from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of 46 Eridani is 0 arcsec per year in Right Ascension and -0.007 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of 46 Eridani star
DSS2 image of 46 Eridani. The red arrow shows the motion of 46 Eridani during the next 100000 years (0.00 arcmin in Right Ascension and -11.67 arcmin in declination);

Distance of 46 Eridani from the Sun and relative movement

46 Eridani is distant 779.90 light years from the Sun and it is moving far from the Sun at the speed of 2 kilometers per second.

239.23 pc
779.90 ly
2 km/s
-0.007 arcsec/year

Spectral properties of 46 Eridani

46 Eridani belongs to spectral class B9 46 Eridani is also a Si chemically peculiar star.

-1.17
B9
12103K

The red dot in the diagram below shows where 46 Eridani is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 46 Eridani. Attribution: Richard Powell / CC BY-SA

46 Eridani star system properties

46 Eridani is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the 46 Eridani double sysyem:

5.72
10.52
4.8
1.2 arcsec

Alternative designations of 46 Eridani

SAO131309
SAO131309