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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:51  
clear_day Transit: 11:50  
SunsetSet: 15:49 south
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All Constellations » Cetus » 

φ2 Ceti (phi2 Ceti)

Altitude: 25.4°   Azimuth: 202.6°   Direction: South-South-West

φ2 Ceti is a variable sub-giant star in the constellation of Cetus.

φ2 Ceti visual magnitude is 5.19. Because of its reltive faintness, φ2 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 φ2 Ceti:


φ2 Ceti (phi2 Ceti) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 25.4°
Azimuth: 202.6°
Direction: South-South-West

Celestial coordinates and finder chart of φ2 Ceti

φ2 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 φ2 Ceti are provided in the following table:

00h 50m 07s
-10° 38’ 39”

The simplified sky map below shows the position of φ2 Ceti in the sky:

Finder chart φ2 Ceti (phi2 Ceti) star
Simplified finder chart for φ2 Ceti (phi2 Ceti).

Visibility of φ2 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 φ2 Ceti (phi2 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: 100.6°
Max altitude: 27.9°
Azimuth: 259.4°

Digitized Sky Survey image of φ2 Ceti

The image below is a photograph of φ2 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 φ2 Ceti is -0.226 arcsec per year in Right Ascension and -0.229 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of φ2 Ceti (phi2 Ceti) star
DSS2 image of φ2 Ceti. The red arrow shows the motion of φ2 Ceti during the next 1000 years (-3.77 arcmin in Right Ascension and -3.82 arcmin in declination);

Distance of φ2 Ceti from the Sun and relative movement

φ2 Ceti is distant 50.39 light years from the Sun and it is moving far from the Sun at the speed of 8 kilometers per second.

15.46 pc
50.39 ly
8 km/s
-0.226 arcsec/year
-0.229 arcsec/year

Spectral properties of φ2 Ceti

φ2 Ceti belongs to spectral class F7 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where φ2 Ceti is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of φ2 Ceti. Attribution: Richard Powell / CC BY-SA

Alternative designations of φ2 Ceti

φ2 Ceti
(phi2 Ceti)