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: 4:44  
clear_day Transit: 12:57  
SunsetSet: 21:11 south
wb_twilight Astronomical TwilightWhat's Visible Now
All Constellations » Cetus » 

φ4 Ceti (phi4 Ceti)

Altitude: -17.4°   Azimuth: 86.4°   Direction: East

φ4 Ceti is a giant star in the constellation of Cetus.

φ4 Ceti visual magnitude is 5.61. Because of its reltive faintness, φ4 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 φ4 Ceti:


φ4 Ceti (phi4 Ceti) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -17.4°
Azimuth: 86.4°
Direction: East

Celestial coordinates and finder chart of φ4 Ceti

φ4 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 φ4 Ceti are provided in the following table:

00h 58m 43s
-11° 22’ 48”

The simplified sky map below shows the position of φ4 Ceti in the sky:

Finder chart φ4 Ceti (phi4 Ceti) star
Simplified finder chart for φ4 Ceti (phi4 Ceti).

Visibility of φ4 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 φ4 Ceti (phi4 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: 101.4°
Max altitude: 27.1°
Azimuth: 258.6°
φ4 Ceti (phi4 Ceti) is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of φ4 Ceti

The image below is a photograph of φ4 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 φ4 Ceti is -0.034 arcsec per year in Right Ascension and -0.019 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of φ4 Ceti (phi4 Ceti) star
DSS2 image of φ4 Ceti. The red arrow shows the motion of φ4 Ceti during the next 10000 years (-5.67 arcmin in Right Ascension and -3.17 arcmin in declination);

Distance of φ4 Ceti from the Sun and relative movement

φ4 Ceti is distant 314.98 light years from the Sun and it is moving towards the Sun at the speed of 19 kilometers per second.

96.62 pc
314.98 ly
-19 km/s
-0.034 arcsec/year
-0.019 arcsec/year

Spectral properties of φ4 Ceti

φ4 Ceti belongs to spectral class G7 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where φ4 Ceti is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of φ4 Ceti. Attribution: Richard Powell / CC BY-SA

Alternative designations of φ4 Ceti

φ4 Ceti
(phi4 Ceti)