108 Aquarii

Below the horizon. Rise: 2:59 | Tran: 7:17 | Set: 11:35

Alt: -56.82° Az: 12.23° Direction: North-North-East

108 Aquarii is a variable star of spectral class B9 in the constellation of Aquarius.

108 Aquarii visual magnitude is 5.18. Because of its faintness, 108 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 108 Aquarii. The red arrow shows the motion of 108 Aquarii during the next 10000 years (3.50 arcmin in Right Ascension and 0.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 23h 52m 39s

Declination -18° 46’ 02”

Hour Angle 12h 28m 07s

Sidereal Time 12h 20m 47s

J2000

Right Ascension 23h 51m 21s

Declination -18° 54’ 32”

Galactic Coordinates

Galactic Longitude 60.54°

Galactic Latitude -73.94°

Finder Chart

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Finder chart for 108 Aquarii.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.18

Class

108 Aquarii is also a SiSrCr chemically peculiar star.

Absolute magnitude 0.21

Spectral Type B9

Color Index (B-V) -0.14

Temperature 12293K

The red dot in the diagram below shows where 108 Aquarii is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 108 Aquarii. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

108 Aquarii is distant 320.87 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.

Distance (parsec) 98.43

Distance (light year) 320.87

Radial Speed 13 km/s

Proper Motion RA 0.021 arcsec/y

Alternative Designations

Flamsteed designation 108 Aquarii

Henry Draper Catalogue HD223640

SAO Catalogue SAO165918

Hipparcos Catalogue HIP117629

Durchmusterung Catalogue BD-19 6522

General Catalogue of Variable Stars ET Aqr

Visibility from Your Location

Today's 108 Aquarii rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 108.8° RISE 2:59

Max altitude: 19.8° TRANSIT 7:17

Azimuth: 251.2° SET 11:35

Set Location

Other stars in Aquarius