The Bayer designation Upsilon Eridani (υ Eri / υ Eridani) is shared by four or seven stars, in the constellation Eridanus:
Some sources include the following stars:
This series of stars bore the traditional proper names Theemim (also Theemin) and Beemin (also Beemim). In 2016, the International Astronomical Union organized a Working Group on Star Names (WGSN)[1] to catalog and standardize proper names for stars. The WGSN approved the names Theemin for υ2 Eridani on 1 February 2017 and Beemim for υ3 Eridani on 30 June 2017; both are now included in the List of IAU-approved Star Names.[2]