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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: 5:44  
clear_day Transit: 12:03  
SunsetSet: 18:24
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All Constellations » Lacerta » 

HR8654

Altitude: 2.1°   Azimuth: 13.0°   Direction: North-North-East

HR8654 is a multiple giant star in the constellation of Lacerta.

HR8654 visual magnitude is 5.95. Because of its reltive faintness, HR8654 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR8654 is 0.007 arcsec per year in Right Ascension and -0.021 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8654 star
DSS2 image of HR8654. The red arrow shows the motion of HR8654 during the next 10000 years (1.17 arcmin in Right Ascension and -3.50 arcmin in declination);

Key facts about HR8654

5.95
Giant

HR8654 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 2.1°
Azimuth: 13.0°
Direction: North-North-East

Celestial coordinates and finder chart of HR8654

HR8654 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 HR8654 are provided in the following table:

22h 44m 05s
+39° 27’ 56”
97.71°
-17.09°
Lacerta

The simplified sky map below shows the position of HR8654 in the sky:

Finder chart HR8654 star
Simplified finder chart for HR8654.

Visibility of HR8654 from your location

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

HR8654 is circumpolar and transits at 10:18 UTC (altitude: 78.0°)

Distance of HR8654 from the Sun and relative movement

HR8654 is distant 646.83 light years from the Sun and it is moving towards the Sun at the speed of 27 kilometers per second.

198.41 pc
646.83 ly
-27 km/s
0.007 arcsec/year
-0.021 arcsec/year

Spectral properties of HR8654

HR8654 belongs to spectral class K5 and has a luminosity class of III corresponding to a giant star.

-0.54
K5III
3824K

The red dot in the diagram below shows where HR8654 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR8654. Attribution: Richard Powell / CC BY-SA

HR8654 star system properties

HR8654 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR8654 double sysyem:

5.95
9.45
3.5
2.7 arcsec

Alternative designations of HR8654

SAO72675
SAO72675