η1 Coronae Australis (eta1 Coronae Australis)

Below the horizon. Never rises today

Alt: -81.17° Az: 29.92° Direction: North-North-East

η1 Coronae Australis is a main-sequence star of spectral class A3 in the constellation of Corona Australis.

η1 Coronae Australis visual magnitude is 5.49. Because of its faintness, η1 Coronae Australis 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 η1 Coronae Australis (eta1 Coronae Australis) star

DSS2 image of η1 Coronae Australis. The red arrow shows the motion of η1 Coronae Australis during the next 10000 years (4.17 arcmin in Right Ascension and -3.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 18h 50m 37s

Declination -43° 39’ 01”

Hour Angle 12h 24m 18s

Sideral Time 07h 14m 55s

J2000

Right Ascension 18h 48m 50s

Declination -43° 40’ 47”

Galactic Coordinates

Galactic Longitude 352.4°

Galactic Latitude -17.92°

Finder Chart

Simplified finder chart for η1 Coronae Australis (eta1 Coronae Australis).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.49

Class Main-sequence

Absolute magnitude 0.36

Spectral Type A3V

Color Index (B-V) 0.13

Temperature 8748K

The red dot in the diagram below shows where η1 Coronae Australis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of η1 Coronae Australis. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

η1 Coronae Australis is distant 346.81 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

Distance (parsec) 106.38

Distance (light year) 346.81

Radial Speed -4 km/s

Proper Motion RA 0.025 arcsec/y

Proper Motion Dec -0.019"/y

Alternative Designations

Bayer designation η1 Coronae Australis
(eta1 Coronae Australis)

Henry Draper Catalogue HD173715

SAO Catalogue SAO229299

Hipparcos Catalogue HIP92308

Durchmusterung Catalogue CD-4312841

FK5 Catalogue 1490

Visibility from Your Location

η1 Coronae Australis (eta1 Coronae Australis) is currently not visible from Greenwich, UK

Set Location

Other stars in Corona Australis