By 1972, the pair had received the variable star designation AT Microscopii.
These stars were given alphabetic secondary star designations more or less in the order of their discovery, with the letter A reserved for the primary star.
The genitive form of taurus (e.g. in star designations).
IH Cassiopeiae, a star designation used with some frequency, from his star map.
Horses are judged at an inspection, or keuring, by Dutch judges, who decide whether the horse is worthy of star designation.
The Uranometria introduced a new system of star designation which has become known as the Bayer designation.
Although given a variable star designation, it is now thought to be constant.
In addition, a system of one star designation was adopted for use.
Both stars in this pair exhibit variability due to random flares and they have been given variable star designations.
Extensive catalogues of stars have been assembled by astronomers, which provide standardized star designations.
