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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:05 
Transit: 12:56 
Sunset: 20:48
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All Constellations » Cetus » 

η Ceti (eta Ceti)

Above the horizon.  Rise: 5:17 | Tran: 10:24 | Set: 15:31
Alt: 26.87°   Az: 161.89°   Direction: South-South-East

η Ceti is a double giant star of spectral class K1 in the constellation of Cetus.

η Ceti visual magnitude is 3.45. Because of its moderate brightness, η Ceti 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.

Image of η Ceti (eta Ceti) star
DSS2 image of η Ceti. The red arrow shows the motion of η Ceti during the next 1000 years (3.63 arcmin in Right Ascension and -2.30 arcmin in declination);

Celestial Coordinates

Apparent

01h 09m 51s
-10° 02’ 50”
22h 54m 34s
00h 04m 26s

J2000

01h 08m 35s
-10° 10’ 55”

Galactic Coordinates

137.15°
-72.58°

Finder Chart

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Finder chart for η Ceti (eta Ceti).

Magnitude, Color, Spectral Class

3.45
Giant

0.66
K1III
4389K

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

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

Star System Properties

η Ceti 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 η Ceti double sysyem:

3.45
10.15
6.7
233.5 arcsec

Distance, Radial Speed, Proper Motion

η Ceti is distant 117.56 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.

36.06
117.56
12 km/s
0.218 arcsec/y
-0.138"/y

Alternative Designations

η Ceti
(eta Ceti)
SAO147632
SAO147632

Visibility from Your Location

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

Azimuth: 100.0°
Max altitude: 28.5°
Azimuth: 260.0°