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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: 6:40  
clear_day Transit: 12:10  
SunsetSet: 17:41
wb_twilight Nautical TwilightWhat's Visible Now?
All Constellations » Lacerta » 

9 Lacertae

Altitude: 36.0°   Azimuth: 50.1°   Direction: North-East

9 Lacertae is a sub-giant star in the constellation of Lacerta.

9 Lacertae visual magnitude is 4.63. Because of its moderate brightness, 9 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 9 Lacertae is -0.054 arcsec per year in Right Ascension and -0.101 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of 9 Lacertae star
DSS2 image of 9 Lacertae. The red arrow shows the motion of 9 Lacertae during the next 1000 years (-0.90 arcmin in Right Ascension and -1.68 arcmin in declination);

Key facts about 9 Lacertae

4.63
Sub-giant

9 Lacertae is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 36.0°
Azimuth: 50.1°
Direction: North-East

Celestial coordinates and finder chart of 9 Lacertae

9 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 9 Lacertae are provided in the following table:

22h 37m 22s
+51° 32’ 43”
102.73°
-5.99°
Lacerta

The simplified sky map below shows the position of 9 Lacertae in the sky:

Finder chart 9 Lacertae star
Simplified finder chart for 9 Lacertae.

Visibility of 9 Lacertae from your location

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

9 Lacertae is circumpolar and transits at 11:50 UTC (altitude: 89.9°)

Distance of 9 Lacertae from the Sun and relative movement

9 Lacertae is distant 172.03 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.

52.77 pc
172.03 ly
12 km/s
-0.054 arcsec/year
-0.101 arcsec/year

Spectral properties of 9 Lacertae

9 Lacertae belongs to spectral class A8 and has a luminosity class of IV corresponding to a sub-giant star.

1.02
A8IV
7866K

The red dot in the diagram below shows where 9 Lacertae is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of 9 Lacertae. Attribution: Richard Powell / CC BY-SA

Alternative designations of 9 Lacertae

SAO34628
SAO34628