4 Lacertae
4 Lacertae is a supergiant star in the constellation of Lacerta.
4 Lacertae visual magnitude is 4.57. Because of its moderate brightness, 4 Lacertae should be easily visible from locations with dark skies, while it can be barely visible, or not visible at all, from skies affected by light pollution.
The proper motion of 4 Lacertae is -0.007 arcsec per year in Right Ascension and -0.003 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.
Key facts about 4 Lacertae
4 Lacertae is above the horizon from Greenwich, United Kingdom .
Altitude: 32.2°
Azimuth: 310.7°
Direction: North-West
Celestial coordinates and finder chart of 4 Lacertae
4 Lacertae 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 4 Lacertae are provided in the following table:
The simplified sky map below shows the position of 4 Lacertae in the sky:
Visibility of 4 Lacertae from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
4 Lacertae is circumpolar and transits at 08:09 UTC (altitude: 88.0°)
Distance of 4 Lacertae from the Sun and relative movement
4 Lacertae is distant 2,116.88 light years from the Sun and it is moving towards the Sun at the speed of 26 kilometers per second.
Spectral properties of 4 Lacertae
4 Lacertae belongs to spectral class B9 and has a luminosity class of I corresponding to a supergiant star.
The red dot in the diagram below shows where 4 Lacertae is situated in the HertzsprungāRussell diagram.
