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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:58 
Transit: 11:43 
Sunset: 16:27
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All Constellations » Lyra » 

ζ1 Lyrae (zeta1 Lyrae)

Above the horizon.  Rise: 4:53 | Tran: 15:52 | Set: 2:54
Alt: 41.28°   Az: 281.64°   Direction: West-North-West

ζ1 Lyrae is a variable and multiple star of spectral class A4 in the constellation of Lyra.

ζ1 Lyrae visual magnitude is 4.36. Because of its moderate brightness, ζ1 Lyrae is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of ζ1 Lyrae (zeta1 Lyrae) star
DSS2 image of ζ1 Lyrae. The red arrow shows the motion of ζ1 Lyrae during the next 10000 years (4.67 arcmin in Right Ascension and 4.00 arcmin in declination);

Celestial Coordinates

Apparent

18h 45m 37s
+37° 37’ 55”
04h 33m 21s
23h 18m 59s

J2000

18h 44m 46s
+37° 36’ 17”

Galactic Coordinates

66.85°
17.38°

Finder Chart

Finder chart ζ1 Lyrae (zeta1 Lyrae) star
Simplified finder chart for ζ1 Lyrae (zeta1 Lyrae).

Magnitude, Color, Spectral Class

4.36

0.99
A4
8241K

The red dot in the diagram below shows where ζ1 Lyrae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of ζ1 Lyrae. Attribution: Richard Powell / CC BY-SA

Star System Properties

ζ1 Lyrae is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the ζ1 Lyrae double sysyem:

4.36
5.76
1.4
43.7 arcsec

Distance, Radial Speed, Proper Motion

ζ1 Lyrae is distant 153.56 light years from the Sun and it is moving towards the Sun at the speed of 26 kilometers per second.

47.10
153.56
-26 km/s
0.028 arcsec/y
0.024"/y

Alternative Designations

ζ1 Lyrae
(zeta1 Lyrae)
SAO67321
SAO67321

Visibility from Your Location

Today's ζ1 Lyrae (zeta1 Lyrae) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 52.4°
Max altitude: 76.2°
Azimuth: 307.6°