HR8818

Below the horizon. Never rises today

Alt: -50.87° Az: 263.88° Direction: West

HR8818 is a variable giant star of spectral class M4 in the constellation of Grus.

HR8818 visual magnitude is 5.83. Because of its faintness, HR8818 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 HR8818. The red arrow shows the motion of HR8818 during the next 10000 years (5.83 arcmin in Right Ascension and -7.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 23h 11m 33s

Declination -40° 27’ 13”

Hour Angle 08h 17m 48s

Sidereal Time 07h 29m 22s

J2000

Right Ascension 23h 10m 09s

Declination -40° 35’ 30”

Galactic Coordinates

Galactic Longitude 353.6°

Galactic Latitude -65.18°

Finder Chart

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Finder chart for HR8818.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.83

Class Giant

Absolute magnitude -1.12

Spectral Type M4III

Color Index (B-V) 1.62

Temperature 3622K

The red dot in the diagram below shows where HR8818 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8818. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR8818 is distant 799.02 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

Distance (parsec) 245.10

Distance (light year) 799.02

Radial Speed -7 km/s

Proper Motion RA 0.035 arcsec/y

Proper Motion Dec -0.046"/y

Alternative Designations

Henry Draper Catalogue HD218655

SAO Catalogue SAO231465

Hipparcos Catalogue HIP114407

Durchmusterung Catalogue CD-4115163

General Catalogue of Variable Stars 14441

Visibility from Your Location

HR8818 is currently not visible from Greenwich, UK

Set Location

Other stars in Grus