20 Aquarii

Below the horizon. Rise: 0:40 | Tran: 6:25 | Set: 12:07

Alt: -35.33° Az: 321.05° Direction: North-West

20 Aquarii is a hypergiant star of spectral class F0 in the constellation of Aquarius.

20 Aquarii visual magnitude is 6.36. Because of its faintness, 20 Aquarii 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 20 Aquarii. The red arrow shows the motion of 20 Aquarii during the next 10000 years (-1.00 arcmin in Right Ascension and -8.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 21h 26m 11s

Declination -03° 17’ 16”

Hour Angle 09h 56m 21s

Sidereal Time 07h 22m 32s

J2000

Right Ascension 21h 24m 51s

Declination -03° 23’ 53”

Galactic Coordinates

Galactic Longitude 49.29°

Galactic Latitude -35.33°

Finder Chart

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Finder chart for 20 Aquarii.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.36

Class Hypergiant

Absolute magnitude 2.10

Spectral Type F0III

Color Index (B-V) 0.33

Temperature 7276K

The red dot in the diagram below shows where 20 Aquarii is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 20 Aquarii. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

20 Aquarii is distant 232.36 light years from the Sun and it is moving towards the Sun at the speed of 23 kilometers per second.

Distance (parsec) 71.28

Distance (light year) 232.36

Radial Speed -23 km/s

Proper Motion RA -0.006 arcsec/y

Proper Motion Dec -0.053"/y

Alternative Designations

Flamsteed designation 20 Aquarii

Henry Draper Catalogue HD203843

SAO Catalogue SAO145376

Hipparcos Catalogue HIP105729

Durchmusterung Catalogue BD-04 5444

Visibility from Your Location

Today's 20 Aquarii rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 93.3° RISE 0:40

Max altitude: 35.2° TRANSIT 6:25

Azimuth: 266.7° SET 12:07

Set Location

Other stars in Aquarius