Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:49  
clear_day Transit: 12:56  
SunsetSet: 21:04 south
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All Constellations » Cetus » 

φ3 Ceti (phi3 Ceti)

φ3 Ceti is a giant star in the constellation of Cetus.

φ3 Ceti visual magnitude is 5.31. Because of its reltive faintness, φ3 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 φ3 Ceti:

φ3 Ceti (phi3 Ceti) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of φ3 Ceti

φ3 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 φ3 Ceti are provided in the following table:

00h 56m 01s
-11° 16’ 00”

The simplified sky map below shows the position of φ3 Ceti in the sky:

Finder chart φ3 Ceti (phi3 Ceti) star
Simplified finder chart for φ3 Ceti (phi3 Ceti).

Visibility of φ3 Ceti from your location

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

Today's φ3 Ceti (phi3 Ceti) rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 101.3°
Max altitude: 27.3°
Azimuth: 258.7°
φ3 Ceti (phi3 Ceti) is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of φ3 Ceti

The image below is a photograph of φ3 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 φ3 Ceti is -0.02 arcsec per year in Right Ascension and -0.008 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of φ3 Ceti (phi3 Ceti) star
DSS2 image of φ3 Ceti. The red arrow shows the motion of φ3 Ceti during the next 10000 years (-3.33 arcmin in Right Ascension and -1.33 arcmin in declination);

Distance of φ3 Ceti from the Sun and relative movement

φ3 Ceti is distant 522.44 light years from the Sun and it is moving towards the Sun at the speed of 26 kilometers per second.

160.26 pc
522.44 ly
-26 km/s
-0.02 arcsec/year
-0.008 arcsec/year

Spectral properties of φ3 Ceti

φ3 Ceti belongs to spectral class K4 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where φ3 Ceti is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of φ3 Ceti. Attribution: Richard Powell / CC BY-SA

Alternative designations of φ3 Ceti

φ3 Ceti
(phi3 Ceti)