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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: 7:03  
clear_day Transit: 12:12  
SunsetSet: 17:22
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All Constellations » Lynx » 

21 Lyncis

Altitude: 64.2°   Azimuth: 78.8°   Direction: East

21 Lyncis is a variable main-sequence star in the constellation of Lynx.

21 Lyncis visual magnitude is 4.64. Because of its moderate brightness, 21 Lyncis 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 proper motion of 21 Lyncis is -0.013 arcsec per year in Right Ascension and -0.05 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 21 Lyncis star
DSS2 image of 21 Lyncis. The red arrow shows the motion of 21 Lyncis during the next 10000 years (-2.17 arcmin in Right Ascension and -8.33 arcmin in declination);

Key facts about 21 Lyncis


21 Lyncis is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 64.2°
Azimuth: 78.8°
Direction: East

Celestial coordinates and finder chart of 21 Lyncis

21 Lyncis 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 21 Lyncis are provided in the following table:

07h 26m 42s
+49° 12’ 41”

The simplified sky map below shows the position of 21 Lyncis in the sky:

Finder chart 21 Lyncis star
Simplified finder chart for 21 Lyncis.

Visibility of 21 Lyncis from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

21 Lyncis is circumpolar and transits at 21:21 UTC (altitude: 87.7°)

Distance of 21 Lyncis from the Sun and relative movement

21 Lyncis is distant 248.67 light years from the Sun and it is moving far from the Sun at the speed of 27 kilometers per second.

76.28 pc
248.67 ly
27 km/s
-0.013 arcsec/year
-0.05 arcsec/year

Spectral properties of 21 Lyncis

21 Lyncis belongs to spectral class A1 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where 21 Lyncis is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of 21 Lyncis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 21 Lyncis