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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:13 
Transit: 12:56 
Sunset: 20:39
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All Constellations » Scorpius » 

η Scorpii (eta Scorpii)

Below the horizon.  Never rises today
Alt: -4.76°   Az: 181.21°   Direction: South

η Scorpii is a giant star of spectral class F3 in the constellation of Scorpius.

η Scorpii visual magnitude is 3.33. Because of its moderate brightness, η Scorpii 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 η Scorpii (eta Scorpii) star
DSS2 image of η Scorpii. The red arrow shows the motion of η Scorpii during the next 1000 years (0.40 arcmin in Right Ascension and -4.78 arcmin in declination);

Celestial Coordinates

Apparent

17h 13m 58s
-43° 16’ 04”
00h 06m 35s
17h 20m 34s

J2000

17h 12m 09s
-43° 14’ 21”

Galactic Coordinates

344.37°
-2.3°

Finder Chart

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Finder chart for η Scorpii (eta Scorpii).

Magnitude, Color, Spectral Class

3.33
Giant

1.62
F3III
6827K

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

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

Distance, Radial Speed, Proper Motion

η Scorpii is distant 71.55 light years from the Sun and it is moving towards the Sun at the speed of 28 kilometers per second.

21.95
71.55
-28 km/s
0.024 arcsec/y
-0.287"/y

Alternative Designations

η Scorpii
(eta Scorpii)
SAO227707
SAO227707

Visibility from Your Location

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