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

γ Equulei (gamma Equulei)

γ Equulei is a variable and multiple hypergiant star in the constellation of Equuleus.

γ Equulei visual magnitude is 4.69. Because of its moderate brightness, γ Equulei 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 γ Equulei:

γ Equulei (gamma Equulei) is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of γ Equulei

γ Equulei 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 γ Equulei are provided in the following table:

21h 10m 20s
+10° 07’ 54”

The simplified sky map below shows the position of γ Equulei in the sky:

Finder chart γ Equulei (gamma Equulei) star
Simplified finder chart for γ Equulei (gamma Equulei).

Visibility of γ Equulei from your location

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

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

Azimuth: 79.9°
Max altitude: 48.7°
Azimuth: 280.1°
γ Equulei (gamma Equulei) is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of γ Equulei

The image below is a photograph of γ Equulei 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 γ Equulei is 0.057 arcsec per year in Right Ascension and -0.153 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of γ Equulei (gamma Equulei) star
DSS2 image of γ Equulei. The red arrow shows the motion of γ Equulei during the next 1000 years (0.95 arcmin in Right Ascension and -2.55 arcmin in declination);

Distance of γ Equulei from the Sun and relative movement

γ Equulei is distant 114.87 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

35.24 pc
114.87 ly
-17 km/s
0.057 arcsec/year
-0.153 arcsec/year

Spectral properties of γ Equulei

γ Equulei belongs to spectral class F0 and has a luminosity class of III corresponding to a hypergiant star.


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

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

γ Equulei star system properties

γ Equulei is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the γ Equulei double sysyem:

352.5 arcsec

Alternative designations of γ Equulei

γ Equulei
(gamma Equulei)