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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
SunriseRise: 6:40  
clear_day Transit: 12:10  
SunsetSet: 17:41
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All Constellations » Gemini » 

Wasat - δ Geminorum (delta Geminorum)

Altitude: 8.7°   Azimuth: 65.5°   Direction: East-North-East

Wasat, also designated as δ Geminorum (delta Geminorum), is a multiple sub-giant star in the constellation of Gemini.

Wasat visual magnitude is 3.53. Because of its moderate brightness, Wasat should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.

The proper motion of Wasat is -0.026 arcsec per year in Right Ascension and -0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of Wasat - δ Geminorum (delta Geminorum) star
DSS2 image of Wasat. The red arrow shows the motion of Wasat during the next 10000 years (-4.33 arcmin in Right Ascension and -2.00 arcmin in declination);

Key facts about Wasat


Wasat - δ Geminorum (delta Geminorum) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 8.7°
Azimuth: 65.5°
Direction: East-North-East

Celestial coordinates and finder chart of Wasat

Wasat 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 Wasat are provided in the following table:

07h 20m 07s
+21° 58’ 55”

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

Finder chart Wasat - δ Geminorum (delta Geminorum) star
Simplified finder chart for Wasat - δ Geminorum (delta Geminorum).

Visibility of Wasat 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 Wasat - δ Geminorum (delta Geminorum) 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: 68.0°
Max altitude: 60.5°
Azimuth: 292.0°

Distance of Wasat from the Sun and relative movement

Wasat is distant 58.79 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

18.03 pc
58.79 ly
4 km/s
-0.026 arcsec/year
-0.012 arcsec/year

Spectral properties of Wasat

Wasat belongs to spectral class F2 and has a luminosity class of IV corresponding to a sub-giant star.


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

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

Wasat star system properties

Wasat 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 Wasat double sysyem:

0.2 arcsec

Alternative designations of Wasat

δ Geminorum
(delta Geminorum)
55 Geminorum
Gl 271 A