[14] The distance to this system has been measured directly using the parallax technique, yielding an estimated 154 light-years (47 parsecs) from the Sun.

The WGSN decided to attribute proper names to individual stars rather than entire multiple systems.

[18] It approved the name Gienah for the component Gamma Corvi A on 6 November 2016 and Aljanah for Epsilon Cygni Aa on 30 June 2017.

[7] It has an effective temperature of 12,000 K,[8] two times hotter than the Sun, giving it the typical blue-white hue of late B-type stars.

[8] This chemical peculiarity in an otherwise stable stellar atmosphere is most likely caused by separation of the elements through diffusion and gravitational settling.