9 Ceti

Above the horizon. Rise: 4:31 | Tran: 9:27 | Set: 14:23

Alt: 19.90° Az: 144.28° Direction: South-East

9 Ceti is a variable and double main-sequence star of spectral class G2 in the constellation of Cetus.

9 Ceti visual magnitude is 6.39. Because of its faintness, 9 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.

DSS2 image of 9 Ceti. The red arrow shows the motion of 9 Ceti during the next 1000 years (6.57 arcmin in Right Ascension and 1.02 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 00h 24m 09s

Declination -12° 04’ 07”

Hour Angle 21h 43m 23s

Sidereal Time 22h 07m 32s

J2000

Right Ascension 00h 22m 51s

Declination -12° 12’ 33”

Galactic Coordinates

Galactic Longitude 97.34°

Galactic Latitude -73.64°

Finder Chart

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Finder chart for 9 Ceti.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.39

Class Main-sequence

Absolute magnitude 4.84

Spectral Type G2V

Color Index (B-V) 0.66

Temperature 5742K

The red dot in the diagram below shows where 9 Ceti is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 9 Ceti. Attribution: Richard Powell / CC BY-SA

Star System Properties

9 Ceti 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 9 Ceti double sysyem:

Main star magnitude 6.39

Secondary star magnitude 11.79

Magnitude difference 5.4

Separation 202.1 arcsec

Distance, Radial Speed, Proper Motion

9 Ceti is distant 66.46 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

Distance (parsec) 20.39

Distance (light year) 66.46

Radial Speed -7 km/s

Proper Motion RA 0.394 arcsec/y

Proper Motion Dec 0.061"/y

Alternative Designations

Flamsteed designation 9 Ceti

Henry Draper Catalogue HD1835

SAO Catalogue SAO147237

Hipparcos Catalogue HIP1803

Durchmusterung Catalogue BD-13 60

Gliese Catalogue Gl 17.3

General Catalogue of Variable Stars BE Cet

Visibility from Your Location

Today's 9 Ceti rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 102.1° RISE 4:31

Max altitude: 26.5° TRANSIT 9:27

Azimuth: 257.9° SET 14:23

Set Location

Other stars in Cetus