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Transit: 12:57 
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All Constellations » Lacerta » 

15 Lacertae

Above the horizon.  Circumpolar today
Alt: 18.60°   Az: 42.08°   Direction: North-East

15 Lacertae is a multiple hypergiant star of spectral class M0 in the constellation of Lacerta.

15 Lacertae visual magnitude is 4.94. Because of its moderate brightness, 15 Lacertae 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 15 Lacertae star
DSS2 image of 15 Lacertae. The red arrow shows the motion of 15 Lacertae during the next 1000 years (1.83 arcmin in Right Ascension and 0.48 arcmin in declination);

Celestial Coordinates

Apparent

22h 53m 08s
+43° 26’ 38”
16h 04m 04s
14h 57m 13s

J2000

22h 52m 01s
+43° 18’ 45”

Galactic Coordinates

100.97°
-14.41°

Finder Chart

Finder chart 15 Lacertae star
Simplified finder chart for 15 Lacertae.

Magnitude, Color, Spectral Class

4.94
Hypergiant

-0.06
M0III
3705K

The red dot in the diagram below shows where 15 Lacertae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 15 Lacertae. Attribution: Richard Powell / CC BY-SA

Star System Properties

15 Lacertae is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the 15 Lacertae double sysyem:

4.94
10.94
6
104.4 arcsec

Distance, Radial Speed, Proper Motion

15 Lacertae is distant 326.33 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

100.10
326.33
-17 km/s
0.11 arcsec/y
0.029"/y

Alternative Designations

15 Lacertae
SAO52436
SAO52436

Visibility from Your Location

15 Lacertae is circumpolar and transits at 23:39 UTC (altitude: 82.0°)