42 Aquarii

Below the horizon. Rise: 2:52 | Tran: 7:45 | Set: 12:37

Alt: -31.54° Az: 69.10° Direction: East-North-East

42 Aquarii is a giant star of spectral class K0 in the constellation of Aquarius.

42 Aquarii visual magnitude is 5.34. Because of its faintness, 42 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 42 Aquarii. The red arrow shows the motion of 42 Aquarii during the next 10000 years (2.50 arcmin in Right Ascension and 1.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 22h 18m 09s

Declination -12° 42’ 14”

Hour Angle 15h 38m 50s

Sidereal Time 13h 56m 59s

J2000

Right Ascension 22h 16m 48s

Declination -12° 49’ 53”

Galactic Coordinates

Galactic Longitude 46.72°

Galactic Latitude -51.16°

Finder Chart

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Finder chart for 42 Aquarii.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.34

Class Giant

Absolute magnitude -0.52

Spectral Type K0

Color Index (B-V) 1.14

Temperature 4430K

The red dot in the diagram below shows where 42 Aquarii is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 42 Aquarii. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

42 Aquarii is distant 483.68 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.

Distance (parsec) 148.37

Distance (light year) 483.68

Radial Speed 13 km/s

Proper Motion RA 0.015 arcsec/y

Proper Motion Dec 0.006"/y

Alternative Designations

Flamsteed designation 42 Aquarii

Henry Draper Catalogue HD211361

SAO Catalogue SAO164974

Hipparcos Catalogue HIP110000

Durchmusterung Catalogue BD-13 6148

Visibility from Your Location

Today's 42 Aquarii rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 102.7° RISE 2:52

Max altitude: 25.8° TRANSIT 7:45

Azimuth: 257.3° SET 12:37

Set Location

Other stars in Aquarius