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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:40  
clear_day Transit: 12:10  
SunsetSet: 17:41
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All Constellations » Eridanus » 

θ2 Eridani (theta2 Eridani)

Altitude: -35.6°   Azimuth: 112.2°   Direction: East-South-East

θ2 Eridani is a variable and double main-sequence star in the constellation of Eridanus.

θ2 Eridani visual magnitude is 4.35. Because of its moderate brightness, θ2 Eridani should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.

The proper motion of θ2 Eridani is -0.064 arcsec per year in Right Ascension and 0.018 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of θ2 Eridani (theta2 Eridani) star
DSS2 image of θ2 Eridani. The red arrow shows the motion of θ2 Eridani during the next 10000 years (-10.67 arcmin in Right Ascension and 3.00 arcmin in declination);

Key facts about θ2 Eridani


θ2 Eridani (theta2 Eridani) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -35.6°
Azimuth: 112.2°
Direction: East-South-East

Celestial coordinates and finder chart of θ2 Eridani

θ2 Eridani is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of θ2 Eridani are provided in the following table:

02h 58m 16s
-40° 18’ 15”

The simplified sky map below shows the position of θ2 Eridani in the sky:

Finder chart θ2 Eridani (theta2 Eridani) star
Simplified finder chart for θ2 Eridani (theta2 Eridani).

Visibility of θ2 Eridani from your location

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

θ2 Eridani (theta2 Eridani) is currently not visible from Greenwich, United Kingdom edit_location_alt

Spectral properties of θ2 Eridani

θ2 Eridani belongs to spectral class A1 and has a luminosity class of V corresponding to a main-sequence star.


θ2 Eridani star system properties

θ2 Eridani is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the θ2 Eridani double sysyem:

8.3 arcsec

Alternative designations of θ2 Eridani

θ2 Eridani
(theta2 Eridani)