ε2 Arae (epsilon2 Arae)

Below the horizon. Never rises today

Alt: -15.78° Az: 190.79° Direction: South

ε2 Arae is a double main-sequence star of spectral class F6 in the constellation of Ara.

ε2 Arae visual magnitude is 5.29. Because of its faintness, ε2 Arae 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 ε2 Arae. The red arrow shows the motion of ε2 Arae during the next 1000 years (-0.05 arcmin in Right Ascension and -2.40 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 17h 05m 11s

Declination -53° 16’ 15”

Hour Angle 01h 10m 08s

Sidereal Time 18h 15m 19s

J2000

Right Ascension 17h 03m 08s

Declination -53° 14’ 12”

Galactic Coordinates

Galactic Longitude 335.41°

Galactic Latitude -7.06°

Finder Chart

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Finder chart for ε2 Arae (epsilon2 Arae).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.29

Class Main-sequence

Absolute magnitude 3.19

Spectral Type F6V

Color Index (B-V) 0.48

Temperature 6481K

The red dot in the diagram below shows where ε2 Arae is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of ε2 Arae. Attribution: Richard Powell / CC BY-SA

Star System Properties

ε2 Arae is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the ε2 Arae double sysyem:

Main star magnitude 5.29

Secondary star magnitude 12.89

Magnitude difference 7.6

Separation 25 arcsec

Distance, Radial Speed, Proper Motion

ε2 Arae is distant 85.86 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.

Distance (parsec) 26.34

Distance (light year) 85.86

Radial Speed 7 km/s

Proper Motion RA -0.003 arcsec/y

Proper Motion Dec -0.144"/y

Alternative Designations

Bayer designation ε2 Arae
(epsilon2 Arae)

Henry Draper Catalogue HD153580

SAO Catalogue SAO244388

Hipparcos Catalogue HIP83431

Durchmusterung Catalogue CP-53 8316

Gliese Catalogue NN 3985

Visibility from Your Location

ε2 Arae (epsilon2 Arae) is currently not visible from Greenwich, UK

Set Location

Other stars in Ara