HR8921

Above the horizon. Rise: 8:23 | Tran: 13:35 | Set: 18:46

Alt: 29.37° Az: 182.08° Direction: South

HR8921 is a hypergiant star of spectral class K0 in the constellation of Aquarius.

HR8921 visual magnitude is 6.18. Because of its faintness, HR8921 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 HR8921. The red arrow shows the motion of HR8921 during the next 10000 years (-8.33 arcmin in Right Ascension and -4.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 23h 30m 18s

Declination -09° 07’ 38”

Hour Angle 00h 07m 20s

Sidereal Time 23h 37m 38s

J2000

Right Ascension 23h 29m 00s

Declination -09° 15’ 57”

Galactic Coordinates

Galactic Longitude 71.6°

Galactic Latitude -63.59°

Finder Chart

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Finder chart for HR8921.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.18

Class Hypergiant

Absolute magnitude -2.97

Spectral Type K0

Color Index (B-V) 1.44

Temperature 3886K

The red dot in the diagram below shows where HR8921 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8921. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR8921 is distant 2,202.70 light years from the Sun and it is moving far from the Sun at the speed of 8 kilometers per second.

Distance (parsec) 675.68

Distance (light year) 2,202.70

Radial Speed 8 km/s

Proper Motion RA -0.05 arcsec/y

Proper Motion Dec -0.026"/y

Alternative Designations

Henry Draper Catalogue HD221081

SAO Catalogue SAO146729

Hipparcos Catalogue HIP115906

Durchmusterung Catalogue BD-10 6120

Visibility from Your Location

Today's HR8921 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 99.1° RISE 8:23

Max altitude: 29.4° TRANSIT 13:35

Azimuth: 260.9° SET 18:46

Set Location

Other stars in Aquarius