HR8816

Below the horizon. Rise: 2:59 | Tran: 7:42 | Set: 12:26

Alt: -20.42° Az: 272.43° Direction: West

HR8816 is a hypergiant star of spectral class A0 in the constellation of Aquarius.

HR8816 visual magnitude is 6.42. Because of its faintness, HR8816 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 HR8816. The red arrow shows the motion of HR8816 during the next 10000 years (5.17 arcmin in Right Ascension and -1.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 23h 11m 09s

Declination -14° 22’ 20”

Hour Angle 06h 59m 24s

Sidereal Time 06h 10m 34s

J2000

Right Ascension 23h 09m 49s

Declination -14° 30’ 38”

Galactic Coordinates

Galactic Longitude 55.87°

Galactic Latitude -63.19°

Finder Chart

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Finder chart for HR8816.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.42

Class Hypergiant

Absolute magnitude 1.30

Spectral Type A0V

Color Index (B-V) 0.01

Temperature 10002K

The red dot in the diagram below shows where HR8816 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8816. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR8816 is distant 344.97 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

Distance (parsec) 105.82

Distance (light year) 344.97

Radial Speed 15 km/s

Proper Motion RA 0.031 arcsec/y

Proper Motion Dec -0.009"/y

Alternative Designations

Henry Draper Catalogue HD218639

SAO Catalogue SAO165522

Hipparcos Catalogue HIP114371

Durchmusterung Catalogue BD-15 6360

FK5 Catalogue 3856

Visibility from Your Location

Today's HR8816 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 104.4° RISE 2:59

Max altitude: 24.1° TRANSIT 7:42

Azimuth: 255.6° SET 12:26

Set Location

Other stars in Aquarius