Varying in brightness between apparent magnitudes of 4.74 to 5 over 14 hours, it is the brightest W Ursae Majoris variable (low mass contact binary) in the night sky.

Nicolas Louis de Lacaille gave Epsilon Coronae Australis its Bayer designation.

Epsilon Coronae Australis is an F4V dwarf star with an effective temperature of 6000 Kelvin.

Epsilon Coronae Australis is a W Ursae Majoris variable, indicating that it has a contact companion within the Roche limit of the primary.

The star is located at a distance of 30 pc (97 light years) from the Sun.