η Aquarii (eta Aquarii)

Above the horizon. Rise: 1:14 | Tran: 7:12 | Set: 13:10

Alt: 38.44° Az: 184.80° Direction: South

η Aquarii is a sub-giant star of spectral class B9 in the constellation of Aquarius.

η Aquarii visual magnitude is 4.02. Because of its moderate brightness, η 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 η Aquarii. The red arrow shows the motion of η Aquarii during the next 1000 years (1.52 arcmin in Right Ascension and -0.93 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 22h 36m 39s

Declination +00° 00’ 52”

Hour Angle 00h 15m 01s

Sidereal Time 22h 51m 41s

J2000

Right Ascension 22h 35m 21s

Declination -00° 07’ 02”

Galactic Coordinates

Galactic Longitude 66.84°

Galactic Latitude -47.61°

Finder Chart

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Finder chart for η Aquarii (eta Aquarii).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.02

Class Sub-giant

Absolute magnitude 0.27

Spectral Type B9IV

Color Index (B-V) -0.09

Temperature 11407K

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

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

Distance, Radial Speed, Proper Motion

η Aquarii is distant 183.46 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.

Distance (parsec) 56.27

Distance (light year) 183.46

Radial Speed -8 km/s

Proper Motion RA 0.091 arcsec/y

Proper Motion Dec -0.056"/y

Alternative Designations

Bayer designation η Aquarii
(eta Aquarii)

Flamsteed designation 62 Aquarii

Henry Draper Catalogue HD213998

SAO Catalogue SAO146181

Hipparcos Catalogue HIP111497

Durchmusterung Catalogue BD-00 4384

FK5 Catalogue 850

Visibility from Your Location

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

Azimuth: 90.0° RISE 1:14

Max altitude: 38.5° TRANSIT 7:12

Azimuth: 270.0° SET 13:10

Set Location

Other stars in Aquarius