γ Equulei (gamma Equulei)

Below the horizon. Rise: 20:59 | Tran: 3:53 | Set: 10:43

Alt: -5.11° Az: 66.49° Direction: South-West

γ Equulei is a variable and multiple hypergiant star of spectral class F0 in the constellation of Equuleus.

γ Equulei visual magnitude is 4.69. Because of its moderate brightness, γ Equulei is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

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);

Celestial Coordinates

Apparent

Right Ascension 21h 11m 34s

Declination +10° 14’ 12”

Hour Angle 16h 32m 34s

Sidereal Time 13h 44m 08s

J2000

Right Ascension 21h 10m 20s

Declination +10° 07’ 54”

Galactic Coordinates

Galactic Longitude 59.93°

Galactic Latitude -24.76°

Finder Chart

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Finder chart for γ Equulei (gamma Equulei).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.69

Class Hypergiant

Absolute magnitude 1.96

Spectral Type F0III

Color Index (B-V) 0.26

Temperature 7726K

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

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

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:

Main star magnitude 4.69

Secondary star magnitude 5.89

Magnitude difference 1.2

Separation 352.5 arcsec

Distance, Radial Speed, Proper Motion

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.

Distance (parsec) 35.24

Distance (light year) 114.87

Radial Speed -17 km/s

Proper Motion RA 0.057 arcsec/y

Proper Motion Dec -0.153"/y

Alternative Designations

Bayer designation γ Equulei
(gamma Equulei)

Flamsteed designation 5 Equulei

Henry Draper Catalogue HD201601

SAO Catalogue SAO126593

Hipparcos Catalogue HIP104521

Durchmusterung Catalogue BD+09 4732

FK5 Catalogue 1555

General Catalogue of Variable Stars Gam Equ

Aitken Double Star Catalogue ADS14702

Visibility from Your Location

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

Azimuth: 79.8° RISE 20:59

Max altitude: 48.8° TRANSIT 3:53

Azimuth: 280.2° SET 10:43

Set Location

Other stars in Equuleus