Annie Jump Cannon was the first to report its unusual spectrum, sending a plate of its spectrograph made in 1895 to Paul W. Merrill and noting its similarity to R Andromedae.
Annie Jump Cannon var den första som rapporterade dess ovanliga spektrum och skickade en plåt av dess spektrogram gjord 1895 till Paul W. Merrill och noterade likheten med R Andromedae.