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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: 6:57  
clear_day Transit: 12:11  
SunsetSet: 17:27
sunny DaytimeWhat's Visible Now?
All Constellations » Lyra » 

ζ2 Lyrae (zeta2 Lyrae)

Altitude: 47.7°   Azimuth: 274.3°   Direction: West

ζ2 Lyrae is a variable and multiple hypergiant star in the constellation of Lyra.

ζ2 Lyrae visual magnitude is 5.73. Because of its reltive faintness, ζ2 Lyrae should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The proper motion of ζ2 Lyrae is 0.022 arcsec per year in Right Ascension and 0.019 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of ζ2 Lyrae (zeta2 Lyrae) star
DSS2 image of ζ2 Lyrae. The red arrow shows the motion of ζ2 Lyrae during the next 10000 years (3.67 arcmin in Right Ascension and 3.17 arcmin in declination);

Key facts about ζ2 Lyrae

5.73
Hypergiant

ζ2 Lyrae (zeta2 Lyrae) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 47.7°
Azimuth: 274.3°
Direction: West

Celestial coordinates and finder chart of ζ2 Lyrae

ζ2 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 ζ2 Lyrae are provided in the following table:

18h 44m 48s
+37° 35’ 39”
66.85°
17.37°
Lyra

The simplified sky map below shows the position of ζ2 Lyrae in the sky:

Finder chart ζ2 Lyrae (zeta2 Lyrae) star
Simplified finder chart for ζ2 Lyrae (zeta2 Lyrae).

Visibility of ζ2 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 ζ2 Lyrae (zeta2 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: 52.4°
Max altitude: 76.1°
Azimuth: 307.6°

Distance of ζ2 Lyrae from the Sun and relative movement

ζ2 Lyrae is distant 150.09 light years from the Sun and it is moving towards the Sun at the speed of 25 kilometers per second.

46.04 pc
150.09 ly
-25 km/s
0.022 arcsec/year
0.019 arcsec/year

Spectral properties of ζ2 Lyrae

ζ2 Lyrae belongs to spectral class F0 and has a luminosity class of IV corresponding to a hypergiant star.

2.41
F0IV
7591K

The red dot in the diagram below shows where ζ2 Lyrae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of ζ2 Lyrae. Attribution: Richard Powell / CC BY-SA

ζ2 Lyrae star system properties

ζ2 Lyrae is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the ζ2 Lyrae double sysyem:

5.73
7.13
1.4
43.7 arcsec

Alternative designations of ζ2 Lyrae

ζ2 Lyrae
(zeta2 Lyrae)
SAO67324
SAO67324