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

Sulafat - γ Lyrae (gamma Lyrae)

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 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 Sulafat:

3.24
Giant
Sulafat - γ Lyrae (gamma Lyrae) is above the horizon from Greenwich, United Kingdom [change]. Altitude: 53°.

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”
63.32°
12.81°
Lyra

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 [change]
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 [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 57.3°
Max altitude: 71.2°
Azimuth: 302.7°
Sulafat - γ Lyrae (gamma Lyrae) is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of Sulafat

The image below is a photograph of Sulafat 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 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);

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.

-3.21
B9III
10795K

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:

3.24
11.54
8.3
176.9 arcsec

Alternative designations of Sulafat

Sulafat
γ Lyrae
(gamma Lyrae)
SAO67663
SAO67663