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🌎  Greenwich, United Kingdom [change]

HR8643

HR8643 is a giant star in the constellation of Lacerta.

HR8643 visual magnitude is 5.94. Because of its reltive faintness, HR8643 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 HR8643:

5.94
Giant
HR8643 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 80°.

Celestial coordinates and finder chart of HR8643

HR8643 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 HR8643 are provided in the following table:

22h 41m 36s
+41° 32’ 57”
98.35°
-15.04°
Lacerta

The simplified sky map below shows the position of HR8643 in the sky:

Finder chart HR8643 star
Simplified finder chart for HR8643.

Visibility of HR8643 from your location

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

HR8643 is circumpolar and transits at 18:14 UTC (altitude: 80.1°)

Digitized Sky Survey image of HR8643

The image below is a photograph of HR8643 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 HR8643 is 0.148 arcsec per year in Right Ascension and 0.065 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR8643 star
DSS2 image of HR8643. The red arrow shows the motion of HR8643 during the next 1000 years (2.47 arcmin in Right Ascension and 1.08 arcmin in declination);

Distance of HR8643 from the Sun and relative movement

HR8643 is distant 323.41 light years from the Sun and it is moving towards the Sun at the speed of 14 kilometers per second.

99.21 pc
323.41 ly
-14 km/s
0.148 arcsec/year
0.065 arcsec/year

Spectral properties of HR8643

HR8643 belongs to spectral class G9 and has a luminosity class of III corresponding to a giant star.

0.96
G9III
10125K

The red dot in the diagram below shows where HR8643 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR8643. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8643

SAO52270
SAO52270