HR8100

Below the horizon. Never rises today

Alt: -59.10° Az: 85.27° Direction: South

HR8100 is a sub-giant star of spectral class F5 in the constellation of Microscopium.

HR8100 visual magnitude is 5.83. Because of its faintness, HR8100 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of HR8100. The red arrow shows the motion of HR8100 during the next 1000 years (0.78 arcmin in Right Ascension and -3.70 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 21h 13m 51s

Declination -40° 09’ 49”

Hour Angle 14h 48m 09s

Sidereal Time 12h 02m 00s

J2000

Right Ascension 21h 12m 13s

Declination -40° 16’ 09”

Galactic Coordinates

Galactic Longitude 1.93°

Galactic Latitude -43.33°

Finder Chart

Loading map...

Finder chart for HR8100.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.83

Class Sub-giant

Absolute magnitude 3.28

Spectral Type F5IV

Color Index (B-V) 0.45

Temperature 6625K

The red dot in the diagram below shows where HR8100 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8100. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR8100 is distant 105.50 light years from the Sun and it is moving far from the Sun at the speed of 11 kilometers per second.

Distance (parsec) 32.36

Distance (light year) 105.50

Radial Speed 11 km/s

Proper Motion RA 0.047 arcsec/y

Proper Motion Dec -0.222"/y

Alternative Designations

Henry Draper Catalogue HD201647

SAO Catalogue SAO230575

Hipparcos Catalogue HIP104680

Durchmusterung Catalogue CD-4014216

Gliese Catalogue Wo 9726

Visibility from Your Location

HR8100 is currently not visible from Greenwich, UK

Set Location

Other stars in Microscopium