Your guide to the Solar System and the night sky
🌎 Location: Greenwich, United Kingdom [change]

13 Ceti

13 Ceti is a variable and multiple main-sequence star in the constellation of Cetus.

13 Ceti visual magnitude is 5.2. Because of its reltive faintness, 13 Ceti should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about 13 Ceti:

5.2
Main-sequence
13 Ceti is above the horizon from Greenwich, United Kingdom [change]. Altitude: 35°.

Celestial coordinates and finder chart of 13 Ceti

13 Ceti is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 13 Ceti are provided in the following table:

00h 35m 14s
-03° 35’ 34”
112.89°
-66.15°
Cetus

The simplified sky map below shows the position of 13 Ceti in the sky:

Finder chart 13 Ceti star
Simplified finder chart for 13 Ceti.

Visibility of 13 Ceti from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's 13 Ceti rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 93.6°
Max altitude: 34.9°
Azimuth: 266.4°
13 Ceti is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 13 Ceti

The image below is a photograph of 13 Ceti from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of 13 Ceti is 0.413 arcsec per year in Right Ascension and -0.026 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of 13 Ceti star
DSS2 image of 13 Ceti. The red arrow shows the motion of 13 Ceti during the next 1000 years (6.88 arcmin in Right Ascension and -0.43 arcmin in declination);

Distance of 13 Ceti from the Sun and relative movement

13 Ceti is distant 68.62 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.

21.05 pc
68.62 ly
9 km/s
0.413 arcsec/year
-0.026 arcsec/year

Spectral properties of 13 Ceti

13 Ceti belongs to spectral class F8 and has a luminosity class of V corresponding to a main-sequence star.

3.58
F8V
6129K

The red dot in the diagram below shows where 13 Ceti is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 13 Ceti. Attribution: Richard Powell / CC BY-SA

13 Ceti star system properties

13 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 13 Ceti double sysyem:

5.2
5.9
0.7
0.3 arcsec

Alternative designations of 13 Ceti

SAO128839
SAO128839