Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 6:46  
clear_day Transit: 12:51  
SunsetSet: 18:55 south
sunny DaytimeWhat's Visible Now
All Constellations » Lacerta » 


Altitude: 0.9°   Azimuth: 3.2°   Direction: North

HR8733 is a sub-giant star in the constellation of Lacerta.

HR8733 visual magnitude is 6.18. Because of its reltive faintness, HR8733 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR8733:


HR8733 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 0.9°
Azimuth: 3.2°
Direction: North

Celestial coordinates and finder chart of HR8733

HR8733 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 HR8733 are provided in the following table:

22h 57m 40s
+39° 18’ 32”

The simplified sky map below shows the position of HR8733 in the sky:

Finder chart HR8733 star
Simplified finder chart for HR8733.

Visibility of HR8733 from your location

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

HR8733 is circumpolar and transits at 22:47 UTC (altitude: 77.8°)

Digitized Sky Survey image of HR8733

The image below is a photograph of HR8733 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR8733 is 0.002 arcsec per year in Right Ascension and -0.008 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR8733 star
DSS2 image of HR8733. The red arrow shows the motion of HR8733 during the next 100000 years (3.33 arcmin in Right Ascension and -13.33 arcmin in declination);

Distance of HR8733 from the Sun and relative movement

HR8733 is distant 1,364.02 light years from the Sun and it is moving towards the Sun at the speed of 16 kilometers per second.

418.41 pc
1,364.02 ly
-16 km/s
0.002 arcsec/year
-0.008 arcsec/year

Spectral properties of HR8733

HR8733 belongs to spectral class B2 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR8733 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR8733. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8733