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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
north SunriseRise: 7:47  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
sunny DaytimeWhat's Visible Now?
All Constellations » Lyra » 

δ2 Lyrae (delta2 Lyrae)

Altitude: 31.7°   Azimuth: 69.1°   Direction: East-North-East

δ2 Lyrae is a variable and multiple bright giant star in the constellation of Lyra.

δ2 Lyrae visual magnitude is 4.3. Because of its moderate brightness, δ2 Lyrae 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 δ2 Lyrae:

Bright giant

δ2 Lyrae (delta2 Lyrae) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 31.7°
Azimuth: 69.1°
Direction: East-North-East

Celestial coordinates and finder chart of δ2 Lyrae

δ2 Lyrae 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 δ2 Lyrae are provided in the following table:

18h 54m 30s
+36° 53’ 56”

The simplified sky map below shows the position of δ2 Lyrae in the sky:

Finder chart δ2 Lyrae (delta2 Lyrae) star
Simplified finder chart for δ2 Lyrae (delta2 Lyrae).

Visibility of δ2 Lyrae 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 δ2 Lyrae (delta2 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: 53.1°
Max altitude: 75.4°
Azimuth: 306.9°

Digitized Sky Survey image of δ2 Lyrae

The image below is a photograph of δ2 Lyrae 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 δ2 Lyrae is -0.009 arcsec per year in Right Ascension and 0.01 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of δ2 Lyrae (delta2 Lyrae) star
DSS2 image of δ2 Lyrae. The red arrow shows the motion of δ2 Lyrae during the next 10000 years (-1.50 arcmin in Right Ascension and 1.67 arcmin in declination);

Distance of δ2 Lyrae from the Sun and relative movement

δ2 Lyrae is distant 898.07 light years from the Sun and it is moving towards the Sun at the speed of 26 kilometers per second.

275.48 pc
898.07 ly
-26 km/s
-0.009 arcsec/year
0.01 arcsec/year

Spectral properties of δ2 Lyrae

δ2 Lyrae belongs to spectral class M4 and has a luminosity class of II corresponding to a bright giant star.


The red dot in the diagram below shows where δ2 Lyrae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of δ2 Lyrae. Attribution: Richard Powell / CC BY-SA

δ2 Lyrae star system properties

δ2 Lyrae 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 δ2 Lyrae double sysyem:

86.2 arcsec

Alternative designations of δ2 Lyrae

δ2 Lyrae
(delta2 Lyrae)