This star, along with
δ Ari,
ε Ari,
π Ari, and
ρ3 Ari, were Al Bīrūnī's Al Buṭain (ألبطين), the dual of Al Baṭn, the Belly.[11] According to the catalogue of stars in the Technical Memorandum 33-507 - A Reduced Star Catalog Containing 537 Named Stars, Al Buṭain were the title for five stars :
δ Ari as Botein,
π Ari as Al Buṭain I,
ρ3 Ari as Al Buṭain II,
ε Ari as Al Buṭain III dan ζ Ari as Al Buṭain IV.[12]
^
abcdJohnson, H. L.; et al. (1966), "UBVRIJKL photometry of the bright stars", Communications of the Lunar and Planetary Laboratory, 4 (99): 99,
Bibcode:
1966CoLPL...4...99J.
^
abCowley, A.; et al. (April 1969), "A study of the bright A stars. I. A catalogue of spectral classifications", Astronomical Journal, 74: 375–406,
Bibcode:
1969AJ.....74..375C,
doi:
10.1086/110819.
^Wielen, R.; et al. (1999), "Sixth Catalogue of Fundamental Stars (FK6). Part I. Basic fundamental stars with direct solutions", Veroeffentlichungen des Astronomischen Rechen-Instituts Heidelberg, 35 (35), Astronomisches Rechen-Institut Heidelberg: 1,
Bibcode:
1999VeARI..35....1W.
^
abTheodossiou, E.; Danezis, E. (September 1991), "The stellar temperature scale for stars of spectral types from O8 to F6 and the standard deviation of the MK spectral classification", Astrophysics and Space Science, 183 (1): 91–115,
Bibcode:
1991Ap&SS.183...91T,
doi:
10.1007/BF00643019,
S2CID119703222.
^"The Colour of Stars", Australia Telescope, Outreach and Education, Commonwealth Scientific and Industrial Research Organisation, December 21, 2004, archived from
the original on 2013-12-03, retrieved 2012-01-16