1 Ceti

Below the horizon. Rise: 2:21 | Tran: 6:56 | Set: 11:32

Alt: -23.81° Az: 274.55° Direction: South-West

1 Ceti is a hypergiant star of spectral class K0 in the constellation of Cetus.

1 Ceti visual magnitude is 6.26. Because of its faintness, 1 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 1 Ceti. The red arrow shows the motion of 1 Ceti during the next 10000 years (14.33 arcmin in Right Ascension and -1.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 23h 59m 39s

Declination -15° 42’ 20”

Hour Angle 07h 14m 41s

Sidereal Time 07h 14m 21s

J2000

Right Ascension 23h 58m 21s

Declination -15° 50’ 51”

Galactic Coordinates

Galactic Longitude 72.72°

Galactic Latitude -73.3°

Finder Chart

Loading map...

Finder chart for 1 Ceti.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.26

Class Hypergiant

Absolute magnitude 0.39

Spectral Type K0II

Color Index (B-V) 1.08

Temperature 4559K

The red dot in the diagram below shows where 1 Ceti is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 1 Ceti. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

1 Ceti is distant 485.84 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

Distance (parsec) 149.03

Distance (light year) 485.84

Radial Speed 4 km/s

Proper Motion RA 0.086 arcsec/y

Proper Motion Dec -0.006"/y

Alternative Designations

Flamsteed designation 1 Ceti

Henry Draper Catalogue HD224481

SAO Catalogue SAO165972

Hipparcos Catalogue HIP118178

Durchmusterung Catalogue BD-16 6394

FK5 Catalogue 3925

Visibility from Your Location

Today's 1 Ceti rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 105.7° RISE 2:21

Max altitude: 22.8° TRANSIT 6:56

Azimuth: 254.3° SET 11:32

Set Location

Other stars in Cetus