15 Aquarii

Below the horizon. Rise: 22:33 | Tran: 4:13 | Set: 9:49

Alt: -42.59° Az: 350.77° Direction: South

15 Aquarii is a main-sequence star of spectral class B5 in the constellation of Aquarius.

15 Aquarii visual magnitude is 5.82. Because of its faintness, 15 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 15 Aquarii. The red arrow shows the motion of 15 Aquarii during the next 10000 years (1.83 arcmin in Right Ascension and 2.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 21h 19m 31s

Declination -04° 24’ 40”

Hour Angle 11h 32m 48s

Sidereal Time 08h 52m 19s

J2000

Right Ascension 21h 18m 11s

Declination -04° 31’ 09”

Galactic Coordinates

Galactic Longitude 47.08°

Galactic Latitude -34.47°

Finder Chart

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Finder chart for 15 Aquarii.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.82

Class Main-sequence

Absolute magnitude -1.57

Spectral Type B5V

Color Index (B-V) -0.13

Temperature 12103K

The red dot in the diagram below shows where 15 Aquarii is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 15 Aquarii. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

15 Aquarii is distant 978.98 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.

Distance (parsec) 300.30

Distance (light year) 978.98

Radial Speed -9 km/s

Proper Motion RA 0.011 arcsec/y

Proper Motion Dec 0.015"/y

Alternative Designations

Flamsteed designation 15 Aquarii

Henry Draper Catalogue HD202753

SAO Catalogue SAO145278

Hipparcos Catalogue HIP105164

Durchmusterung Catalogue BD-05 5512

FK5 Catalogue 3698

Visibility from Your Location

Today's 15 Aquarii rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 94.4° RISE 22:33

Max altitude: 34.1° TRANSIT 4:13

Azimuth: 265.6° SET 9:49

Set Location

Other stars in Aquarius