3 Aquarii

Below the horizon. Rise: 16:42 | Tran: 22:15 | Set: 3:52

Alt: -40.53° Az: 333.16° Direction: North-North-West

3 Aquarii is a variable giant star of spectral class M3 in the constellation of Aquarius.

3 Aquarii visual magnitude is 4.42. Because of its moderate brightness, 3 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 3 Aquarii. The red arrow shows the motion of 3 Aquarii during the next 10000 years (0.50 arcmin in Right Ascension and -6.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 49m 02s

Declination -04° 56’ 08”

Hour Angle 10h 39m 23s

Sideral Time 07h 28m 26s

J2000

Right Ascension 20h 47m 44s

Declination -05° 01’ 40”

Galactic Coordinates

Galactic Longitude 42.24°

Galactic Latitude -28.09°

Finder Chart

Simplified finder chart for 3 Aquarii.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.42

Class Giant

Absolute magnitude -1.25

Spectral Type M3III

Color Index (B-V) 1.65

Temperature 3581K

The red dot in the diagram below shows where 3 Aquarii is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 3 Aquarii. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

3 Aquarii is distant 444.75 light years from the Sun and it is moving towards the Sun at the speed of 22 kilometers per second.

Distance (parsec) 136.43

Distance (light year) 444.75

Radial Speed -22 km/s

Proper Motion RA 0.003 arcsec/y

Proper Motion Dec -0.04"/y

Alternative Designations

Flamsteed designation 3 Aquarii

Henry Draper Catalogue HD198026

SAO Catalogue SAO144814

Hipparcos Catalogue HIP102624

Durchmusterung Catalogue BD-05 5378

FK5 Catalogue 1543

General Catalogue of Variable Stars EN Aqr

Visibility from Your Location

Today's 3 Aquarii rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 94.9° RISE 16:42

Max altitude: 33.6° TRANSIT 22:15

Azimuth: 265.1° SET 3:52

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Aquarius