8 Lacertae

Above the horizon. Circumpolar today

Alt: 6.25° Az: 26.41° Direction: North-North-East

8 Lacertae is a variable and multiple main-sequence star of spectral class B2 in the constellation of Lacerta.

8 Lacertae visual magnitude is 5.73. Because of its faintness, 8 Lacertae is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of 8 Lacertae. The red arrow shows the motion of 8 Lacertae during the next 100000 years (8.33 arcmin in Right Ascension and -10.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 22h 36m 58s

Declination +39° 45’ 45”

Hour Angle 14h 20m 26s

Sideral Time 12h 57m 25s

J2000

Right Ascension 22h 35m 52s

Declination +39° 38’ 03”

Galactic Coordinates

Galactic Longitude 96.38°

Galactic Latitude -16.15°

Finder Chart

Simplified finder chart for 8 Lacertae.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.73

Class Main-sequence

Absolute magnitude 1.29

Spectral Type B2V

Color Index (B-V) -0.15

Temperature 12489K

The red dot in the diagram below shows where 8 Lacertae is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 8 Lacertae. Attribution: Richard Powell / CC BY-SA

Star System Properties

8 Lacertae is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the 8 Lacertae double sysyem:

Main star magnitude 5.73

Secondary star magnitude 6.43

Magnitude difference 0.7

Separation 22.4 arcsec

Distance, Radial Speed, Proper Motion

8 Lacertae is distant 252.32 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

Distance (parsec) 77.40

Distance (light year) 252.32

Radial Speed -10 km/s

Proper Motion RA 0.005 arcsec/y

Proper Motion Dec -0.006"/y

Alternative Designations

Flamsteed designation 8 Lacertae

Henry Draper Catalogue HD214168

SAO Catalogue SAO72509

Hipparcos Catalogue HIP111544

Durchmusterung Catalogue BD+38 4808

General Catalogue of Variable Stars 14242

Aitken Double Star Catalogue ADS16095

Visibility from Your Location

8 Lacertae is circumpolar and transits at 22:35 UTC (altitude: 78.3°)

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Lacerta