^ 2.02.12.2V* RZ Ari, entry, Combined General Catalog of Variable Stars (GCVS4.2, 2004 Ed.), N. N. Samus, O. V. Durlevich, et al., CDS ID II/250.
^ 3.03.13.2HR 867, entry, Bright Star Catalogue, 5th Revised Ed., D. Hoffleit and W. H. Warren, Jr., 1991, CDS ID V/50.
^Table 2, Radii and effective temperatures for K and M giants and supergiants. II, H. M. Dyck, G. T. van Belle, and R. R. Thompson, The Astronomical Journal116 (August 1998), pp. 981–986, Bibcode: 1998AJ....116..981V, doi:10.1086/300453.