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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
sunny DaytimeWhat's Visible Now?
All Constellations » Lyra » 

Sulafat - γ Lyrae (gamma Lyrae)

Altitude: 34.0°   Azimuth: 281.5°   Direction: West-North-West

Sulafat, also designated as γ Lyrae (gamma Lyrae), is a variable and multiple giant star in the constellation of Lyra.

Sulafat visual magnitude is 3.24. Because of its moderate brightness, Sulafat 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 Sulafat is -0.002 arcsec per year in Right Ascension and 0.002 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of Sulafat - γ Lyrae (gamma Lyrae) star
DSS2 image of Sulafat. The red arrow shows the motion of Sulafat during the next 100000 years (-3.33 arcmin in Right Ascension and 3.33 arcmin in declination);

Key facts about Sulafat


Sulafat - γ Lyrae (gamma Lyrae) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 34.0°
Azimuth: 281.5°
Direction: West-North-West

Celestial coordinates and finder chart of Sulafat

Sulafat is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of Sulafat are provided in the following table:

18h 58m 56s
+32° 41’ 21”

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

Finder chart Sulafat - γ Lyrae (gamma Lyrae) star
Simplified finder chart for Sulafat - γ Lyrae (gamma Lyrae).

Visibility of Sulafat 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 Sulafat - γ Lyrae (gamma Lyrae) 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: 57.3°
Max altitude: 71.2°
Azimuth: 302.7°

Distance of Sulafat from the Sun and relative movement

Sulafat is distant 634.24 light years from the Sun and it is moving towards the Sun at the speed of 21 kilometers per second.

194.55 pc
634.24 ly
-21 km/s
-0.002 arcsec/year
0.002 arcsec/year

Spectral properties of Sulafat

Sulafat belongs to spectral class B9 and has a luminosity class of III corresponding to a giant star.


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

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

Sulafat star system properties

Sulafat 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 Sulafat double sysyem:

176.9 arcsec

Alternative designations of Sulafat

γ Lyrae
(gamma Lyrae)