ρ Aquarii (rho Aquarii)

Above the horizon. Rise: 2:21 | Tran: 7:40 | Set: 12:59

Alt: 30.65° Az: 173.82° Direction: South

ρ Aquarii is a giant star of spectral class B8 in the constellation of Aquarius.

ρ Aquarii visual magnitude is 5.37. Because of its faintness, ρ 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 ρ Aquarii. The red arrow shows the motion of ρ Aquarii during the next 10000 years (2.67 arcmin in Right Ascension and -0.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 22h 21m 31s

Declination -07° 41’ 34”

Hour Angle 23h 38m 32s

Sidereal Time 22h 00m 04s

J2000

Right Ascension 22h 20m 11s

Declination -07° 49’ 15”

Galactic Coordinates

Galactic Longitude 54.15°

Galactic Latitude -49.34°

Finder Chart

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Finder chart for ρ Aquarii (rho Aquarii).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.37

Class Giant

ρ Aquarii is also a MnHg chemically peculiar star.

Absolute magnitude -1.42

Spectral Type B8III

Color Index (B-V) -0.06

Temperature 10941K

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

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

Distance, Radial Speed, Proper Motion

ρ Aquarii is distant 742.60 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.

Distance (parsec) 227.79

Distance (light year) 742.60

Radial Speed -9 km/s

Proper Motion RA 0.016 arcsec/y

Proper Motion Dec -0.001"/y

Alternative Designations

Bayer designation ρ Aquarii
(rho Aquarii)

Flamsteed designation 46 Aquarii

Henry Draper Catalogue HD211838

SAO Catalogue SAO146023

Hipparcos Catalogue HIP110273

Durchmusterung Catalogue BD-08 5855

Visibility from Your Location

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

Azimuth: 97.7° RISE 2:21

Max altitude: 30.8° TRANSIT 7:40

Azimuth: 262.3° SET 12:59

Set Location

Other stars in Aquarius