ο Aquarii (omicron Aquarii)

Below the horizon. Rise: 17:15 | Tran: 23:03 | Set: 4:55

Alt: -25.41° Az: 302.25° Direction: West-North-West

ο Aquarii is a variable sub-giant star of spectral class B7 in the constellation of Aquarius.

ο Aquarii visual magnitude is 4.69. Because of its moderate brightness, ο 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.

Image of ο Aquarii (omicron Aquarii) star

DSS2 image of ο Aquarii. The red arrow shows the motion of ο Aquarii during the next 10000 years (4.67 arcmin in Right Ascension and -2.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 22h 04m 35s

Declination -02° 02’ 05”

Hour Angle 08h 40m 35s

Sideral Time 06h 45m 11s

J2000

Right Ascension 22h 03m 18s

Declination -02° 09’ 19”

Galactic Coordinates

Galactic Longitude 57.44°

Galactic Latitude -42.67°

Finder Chart

Simplified finder chart for ο Aquarii (omicron Aquarii).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.69

Class Sub-giant

Absolute magnitude -0.65

Spectral Type B7IV

Color Index (B-V) -0.06

Temperature 10941K

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

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

Distance, Radial Speed, Proper Motion

ο Aquarii is distant 380.84 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.

Distance (parsec) 116.82

Distance (light year) 380.84

Radial Speed 12 km/s

Proper Motion RA 0.028 arcsec/y

Proper Motion Dec -0.012"/y

Alternative Designations

Bayer designation ο Aquarii
(omicron Aquarii)

Flamsteed designation 31 Aquarii

Henry Draper Catalogue HD209409

SAO Catalogue SAO145837

Hipparcos Catalogue HIP108874

Durchmusterung Catalogue BD-02 5681

FK5 Catalogue 3765

General Catalogue of Variable Stars Omi Aqr

Visibility from Your Location

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

Azimuth: 92.0° RISE 17:15

Max altitude: 36.5° TRANSIT 23:03

Azimuth: 268.0° SET 4:55

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

Location

Other stars in Aquarius