12 Ceti

Above the horizon. Rise: 20:34 | Tran: 2:16 | Set: 7:55

Alt: 24.22° Az: 133.03° Direction: South-East

12 Ceti is a double hypergiant star of spectral class M0 in the constellation of Cetus.

12 Ceti visual magnitude is 5.72. Because of its faintness, 12 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 12 Ceti. The red arrow shows the motion of 12 Ceti during the next 10000 years (1.83 arcmin in Right Ascension and -2.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 00h 31m 18s

Declination -03° 49’ 15”

Hour Angle 21h 12m 18s

Sideral Time 21h 43m 36s

J2000

Right Ascension 00h 30m 02s

Declination -03° 57’ 25”

Galactic Coordinates

Galactic Longitude 109.57°

Galactic Latitude -66.27°

Finder Chart

Simplified finder chart for 12 Ceti.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.72

Class Hypergiant

Absolute magnitude -1.37

Spectral Type M0III

Color Index (B-V) 1.56

Temperature 3705K

The red dot in the diagram below shows where 12 Ceti is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 12 Ceti. Attribution: Richard Powell / CC BY-SA

Star System Properties

12 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 12 Ceti double sysyem:

Main star magnitude 5.72

Secondary star magnitude 11.32

Magnitude difference 5.6

Separation 10.6 arcsec

Distance, Radial Speed, Proper Motion

12 Ceti is distant 853.40 light years from the Sun and it is moving far from the Sun at the speed of 5 kilometers per second.

Distance (parsec) 261.78

Distance (light year) 853.40

Radial Speed 5 km/s

Proper Motion RA 0.011 arcsec/y

Proper Motion Dec -0.012"/y

Alternative Designations

Flamsteed designation 12 Ceti

Henry Draper Catalogue HD2637

SAO Catalogue SAO128791

Hipparcos Catalogue HIP2353

Durchmusterung Catalogue BD-04 54

FK5 Catalogue 13

Aitken Double Star Catalogue ADS410

Visibility from Your Location

Today's 12 Ceti rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 93.8° RISE 20:34

Max altitude: 34.7° TRANSIT 2:16

Azimuth: 266.2° SET 7:55

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Cetus