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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: 6:59  
clear_day Transit: 12:12  
SunsetSet: 17:25
sunny DaytimeWhat's Visible Now?
All Constellations » Lyra » 

ι Lyrae (iota Lyrae)

Altitude: 72.1°   Azimuth: 215.9°   Direction: South-West

ι Lyrae is a sub-giant star in the constellation of Lyra.

ι Lyrae visual magnitude is 5.28. Because of its reltive faintness, ι 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 ι Lyrae is 0.001 arcsec per year in Right Ascension and -0.004 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of ι Lyrae (iota Lyrae) star
DSS2 image of ι Lyrae. The red arrow shows the motion of ι Lyrae during the next 100000 years (1.67 arcmin in Right Ascension and -6.67 arcmin in declination);

Key facts about ι Lyrae


ι Lyrae (iota Lyrae) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 72.1°
Azimuth: 215.9°
Direction: South-West

Celestial coordinates and finder chart of ι Lyrae

ι 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 ι Lyrae are provided in the following table:

19h 07m 18s
+36° 06’ 01”

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

Finder chart ι Lyrae (iota Lyrae) star
Simplified finder chart for ι Lyrae (iota Lyrae).

Visibility of ι 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 ι Lyrae (iota 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: 53.9°
Max altitude: 74.6°
Azimuth: 306.1°

Distance of ι Lyrae from the Sun and relative movement

ι Lyrae is distant 831.63 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

255.10 pc
831.63 ly
-18 km/s
0.001 arcsec/year
-0.004 arcsec/year

Spectral properties of ι Lyrae

ι Lyrae belongs to spectral class B6 and has a luminosity class of IV corresponding to a sub-giant star.


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

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

Alternative designations of ι Lyrae

ι Lyrae
(iota Lyrae)