99 Aquarii

Below the horizon. Rise: 3:44 | Tran: 7:51 | Set: 11:57

Alt: -10.58° Az: 109.72° Direction: East-South-East

99 Aquarii is a variable giant star of spectral class K5 in the constellation of Aquarius.

99 Aquarii visual magnitude is 4.39. Because of its moderate brightness, 99 Aquarii is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

DSS2 image of 99 Aquarii. The red arrow shows the motion of 99 Aquarii during the next 10000 years (-8.67 arcmin in Right Ascension and -9.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 23h 27m 22s

Declination -20° 30’ 07”

Hour Angle 18h 35m 38s

Sidereal Time 18h 03m 01s

J2000

Right Ascension 23h 26m 02s

Declination -20° 38’ 30”

Galactic Coordinates

Galactic Longitude 46.74°

Galactic Latitude -69.46°

Finder Chart

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Finder chart for 99 Aquarii.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.39

Class Giant

Absolute magnitude -0.49

Spectral Type K5III

Color Index (B-V) 1.47

Temperature 3839K

The red dot in the diagram below shows where 99 Aquarii is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 99 Aquarii. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

99 Aquarii is distant 308.42 light years from the Sun and it is moving far from the Sun at the speed of 16 kilometers per second.

Distance (parsec) 94.61

Distance (light year) 308.42

Radial Speed 16 km/s

Proper Motion RA -0.052 arcsec/y

Proper Motion Dec -0.058"/y

Alternative Designations

Flamsteed designation 99 Aquarii

Henry Draper Catalogue HD220704

SAO Catalogue SAO191900

Hipparcos Catalogue HIP115669

Durchmusterung Catalogue BD-21 6420

General Catalogue of Variable Stars 14554

Visibility from Your Location

Today's 99 Aquarii rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 110.5° RISE 3:44

Max altitude: 18.0° TRANSIT 7:51

Azimuth: 249.5° SET 11:57

Set Location

Other stars in Aquarius