Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]
🌅 Sunrise: 6:36  ☀️ Transit: 13:02  🌅 Sunset: 19:29

Keid - ο2 Eridani (omicron2 Eridani)

Keid, also designated as ο2 Eridani (omicron2 Eridani), is a variable and multiple main-sequence star in the constellation of Eridanus.

Keid visual magnitude is 4.43. Because of its moderate brightness, Keid should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about Keid:

Keid - ο2 Eridani (omicron2 Eridani) is above the horizon from Greenwich, United Kingdom [change]. Altitude: 10°.

Celestial coordinates and finder chart of Keid

Keid 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 Keid are provided in the following table:

04h 15m 16s
-07° 39’ 10”

The simplified sky map below shows the position of Keid in the sky:

Finder chart Keid - ο2 Eridani (omicron2 Eridani) star
Simplified finder chart for Keid - ο2 Eridani (omicron2 Eridani).

Visibility of Keid from your location

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

Today's Keid - ο2 Eridani (omicron2 Eridani) rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 97.7°
Max altitude: 30.9°
Azimuth: 262.3°
Keid - ο2 Eridani (omicron2 Eridani) is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of Keid

The image below is a photograph of Keid 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 Keid is -2.242 arcsec per year in Right Ascension and -3.414 arcsec per year in Declination and the associated displacement for the next 100 years is represented with the red arrow.

Image of Keid - ο2 Eridani (omicron2 Eridani) star
DSS2 image of Keid. The red arrow shows the motion of Keid during the next 100 years (-3.74 arcmin in Right Ascension and -5.69 arcmin in declination);

Distance of Keid from the Sun and relative movement

Keid is distant 16.44 light years from the Sun and it is moving towards the Sun at the speed of 42 kilometers per second.

5.04 pc
16.44 ly
-42 km/s
-2.242 arcsec/year
-3.414 arcsec/year

Spectral properties of Keid

Keid belongs to spectral class K1 and has a luminosity class of V corresponding to a main-sequence star.


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

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

Keid star system properties

Keid 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 Keid double sysyem:

83.4 arcsec

Alternative designations of Keid

ο2 Eridani
(omicron2 Eridani)
Gl 166 A