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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:46 
Transit: 12:58 
Sunset: 21:11
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All Constellations » Mensa » 

η Mensae (eta Mensae)

Below the horizon.  Never rises today
Alt: -37.70°   Az: 171.25°   Direction: South

η Mensae is a giant star of spectral class K4 in the constellation of Mensa.

η Mensae visual magnitude is 5.47. Because of its faintness, η Mensae 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.

Image of η Mensae (eta Mensae) star
DSS2 image of η Mensae. The red arrow shows the motion of η Mensae during the next 10000 years (4.00 arcmin in Right Ascension and 9.83 arcmin in declination);

Celestial Coordinates

Apparent

04h 54m 28s
-74° 53’ 50”
22h 09m 53s
03h 04m 21s

J2000

04h 55m 11s
-74° 56’ 12”

Galactic Coordinates

287.12°
-33.55°

Finder Chart

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Finder chart for η Mensae (eta Mensae).

Magnitude, Color, Spectral Class

5.47
Giant

-1.23
K4III
3764K

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

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

Distance, Radial Speed, Proper Motion

η Mensae is distant 711.79 light years from the Sun and it is moving far from the Sun at the speed of 26 kilometers per second.

218.34
711.79
26 km/s
0.024 arcsec/y
0.059"/y

Alternative Designations

η Mensae
(eta Mensae)
SAO256145
SAO256145

Visibility from Your Location

η Mensae (eta Mensae) is currently not visible from Greenwich, UK