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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: 7:54  
clear_day Transit: 11:51  
SunsetSet: 15:49 south
sleep NighttimeWhat's Visible Now?
All Constellations » Pegasus » 

Homam - ζ Pegasi (zeta Pegasi)

Altitude: 12.9°   Azimuth: 271.3°   Direction: West

Homam, also designated as ζ Pegasi (zeta Pegasi), is a double main-sequence star in the constellation of Pegasus.

Homam visual magnitude is 3.4. Because of its moderate brightness, Homam should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about Homam:


Homam - ζ Pegasi (zeta Pegasi) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 12.9°
Azimuth: 271.3°
Direction: West

Celestial coordinates and finder chart of Homam

Homam 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 Homam are provided in the following table:

22h 41m 27s
+10° 49’ 53”

The simplified sky map below shows the position of Homam in the sky:

Finder chart Homam - ζ Pegasi (zeta Pegasi) star
Simplified finder chart for Homam - ζ Pegasi (zeta Pegasi).

Visibility of Homam 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 Homam - ζ Pegasi (zeta Pegasi) 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: 79.2°
Max altitude: 49.4°
Azimuth: 280.8°

Digitized Sky Survey image of Homam

The image below is a photograph of Homam 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 Homam is 0.08 arcsec per year in Right Ascension and -0.013 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of Homam - ζ Pegasi (zeta Pegasi) star
DSS2 image of Homam. The red arrow shows the motion of Homam during the next 10000 years (13.33 arcmin in Right Ascension and -2.17 arcmin in declination);

Distance of Homam from the Sun and relative movement

Homam is distant 208.44 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.

63.94 pc
208.44 ly
7 km/s
0.08 arcsec/year
-0.013 arcsec/year

Spectral properties of Homam

Homam belongs to spectral class B8 and has a luminosity class of V corresponding to a main-sequence star.


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

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

Homam star system properties

Homam 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 Homam double sysyem:

64.3 arcsec

Alternative designations of Homam

ζ Pegasi
(zeta Pegasi)