λ Coronae Australis (lambda Coronae Australis)

Below the horizon. Rise: 0:00 | Tran: 0:28 | Set: 1:01

Alt: -12.95° Az: 222.94° Direction: South-West

λ Coronae Australis is a variable and multiple main-sequence star of spectral class A2 in the constellation of Corona Australis.

λ Coronae Australis visual magnitude is 5.13. Because of its faintness, λ 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 λ Coronae Australis (lambda Coronae Australis) star

DSS2 image of λ Coronae Australis. The red arrow shows the motion of λ Coronae Australis during the next 10000 years (0.50 arcmin in Right Ascension and -9.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 18h 45m 31s

Declination -38° 17’ 45”

Hour Angle 03h 51m 04s

Sidereal Time 22h 36m 36s

J2000

Right Ascension 18h 43m 46s

Declination -38° 19’ 24”

Galactic Coordinates

Galactic Longitude 357.21°

Galactic Latitude -15.04°

Finder Chart

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Finder chart for λ Coronae Australis (lambda Coronae Australis).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.13

Class Main-sequence

Absolute magnitude 1.17

Spectral Type A2V

Color Index (B-V) 0.09

Temperature 9125K

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

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

Star System Properties

λ Coronae Australis is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the λ Coronae Australis double sysyem:

Main star magnitude 5.13

Secondary star magnitude 9.63

Magnitude difference 4.5

Separation 29.2 arcsec

Distance, Radial Speed, Proper Motion

λ Coronae Australis is distant 201.86 light years from the Sun and it is moving towards the Sun at the speed of 26 kilometers per second.

Distance (parsec) 61.92

Distance (light year) 201.86

Radial Speed -26 km/s

Proper Motion RA 0.003 arcsec/y

Proper Motion Dec -0.057"/y

Alternative Designations

Bayer designation λ Coronae Australis
(lambda Coronae Australis)

Henry Draper Catalogue HD172777

SAO Catalogue SAO210501

Hipparcos Catalogue HIP91875

Durchmusterung Catalogue CD-3813036

General Catalogue of Variable Stars 11247

Visibility from Your Location

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

Azimuth: 128.3° RISE 0:00

Max altitude: 0.2° TRANSIT 0:28

Azimuth: 231.7° SET 1:01

Set Location

Other stars in Corona Australis