[8] AR Cassiopeiae has been referred to as IH Cas in some literature, looking similar to a variable star designation although not a valid one since the second letter of a variable star designation is always equal to the first or occurs later in the alphabet.

[11] It was the first star in Cassiopeia that Flamsteed's edition of Hevelius catalogued,[13] thus "1 Hev.

[11] The primary star system, AR Cassiopeiae, is a triple.

[9] In 1921, Joel Stebbins announced that observations from 1917 through 1921 had shown that the star is an eclipsing binary.

[14] AR Cassiopeiae A is an Algol-type eclipsing binary with an orbital period of about 6.07 days.