[2] It is visible to the naked eye as a dim, blue-white hued point of light with a baseline apparent visual magnitude of 5.23.

[17] The variable radial velocity of the star was discovered by W. S. Adams in 1912, and the light variations were established by 1919.

The pulsational nature of the variability was shown by P. Ledoux in 1951, which led to one of the first world-wide observing campaigns with the star as its target.

Dutch mathematician F. J. M. Barning analyzed the resulting data in 1963 and found four separate cycles of variation.

Curiously, three of the frequencies form an equally-spaced triplet with cycles of 5.179, 5.334, and 5.490 per day, although this alignment appears to be a coincidence.