ψ2 Aquarii (psi2 Aquarii)

Above the horizon. Rise: 19:17 | Tran: 0:29 | Set: 5:45

Alt: 21.56° Az: 219.84° Direction: South-West

ψ2 Aquarii is a main-sequence star of spectral class B5 in the constellation of Aquarius.

ψ2 Aquarii visual magnitude is 4.39. Because of its moderate brightness, ψ2 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 ψ2 Aquarii. The red arrow shows the motion of ψ2 Aquarii during the next 10000 years (3.50 arcmin in Right Ascension and -2.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 23h 19m 11s

Declination -09° 02’ 49”

Hour Angle 02h 28m 25s

Sideral Time 01h 47m 36s

J2000

Right Ascension 23h 17m 54s

Declination -09° 10’ 56”

Galactic Coordinates

Galactic Longitude 67.62°

Galactic Latitude -61.54°

Finder Chart

Simplified finder chart for ψ2 Aquarii (psi2 Aquarii).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.39

Class Main-sequence

Absolute magnitude -0.58

Spectral Type B5V

Color Index (B-V) -0.15

Temperature 12489K

The red dot in the diagram below shows where ψ2 Aquarii is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of ψ2 Aquarii. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

ψ2 Aquarii is distant 321.82 light years from the Sun and it is moving towards the Sun at the speed of 6 kilometers per second.

Distance (parsec) 98.72

Distance (light year) 321.82

Radial Speed -6 km/s

Proper Motion RA 0.021 arcsec/y

Proper Motion Dec -0.012"/y

Alternative Designations

Bayer designation ψ2 Aquarii
(psi2 Aquarii)

Flamsteed designation 93 Aquarii

Henry Draper Catalogue HD219688

SAO Catalogue SAO146620

Hipparcos Catalogue HIP115033

Durchmusterung Catalogue BD-09 6160

Visibility from Your Location

Today's ψ2 Aquarii (psi2 Aquarii) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 99.0° RISE 19:17

Max altitude: 29.5° TRANSIT 0:29

Azimuth: 261.0° SET 5:45

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

Location

Other stars in Aquarius