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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:28 
Transit: 12:14 
Sunset: 17:00
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All Constellations » Cetus » 

77 Ceti

Below the horizon.  Rise: 12:04 | Tran: 17:23 | Set: 22:42
Alt: -38.01°   Az: 45.01°   Direction: North-East

77 Ceti is a double giant star of spectral class K4 in the constellation of Cetus.

77 Ceti visual magnitude is 5.75. Because of its faintness, 77 Ceti is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of 77 Ceti star
DSS2 image of 77 Ceti. The red arrow shows the motion of 77 Ceti during the next 10000 years (10.50 arcmin in Right Ascension and -10.83 arcmin in declination);

Celestial Coordinates

Apparent

02h 35m 57s
-07° 45’ 02”
14h 16m 53s
16h 52m 50s

J2000

02h 34m 42s
-07° 51’ 33”

Galactic Coordinates

179.49°
-58.87°

Finder Chart

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Finder chart for 77 Ceti.

Magnitude, Color, Spectral Class

5.75
Giant

-0.38
K4
3950K

The red dot in the diagram below shows where 77 Ceti is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 77 Ceti. Attribution: Richard Powell / CC BY-SA

Star System Properties

77 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 77 Ceti double sysyem:

5.75
12.45
6.7
94.7 arcsec

Distance, Radial Speed, Proper Motion

77 Ceti is distant 548.82 light years from the Sun and it is moving far from the Sun at the speed of 25 kilometers per second.

168.35
548.82
25 km/s
0.063 arcsec/y
-0.065"/y

Alternative Designations

SAO129984
SAO129984

Visibility from Your Location

Today's 77 Ceti rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 97.8°
Max altitude: 30.8°
Azimuth: 262.2°