O. J. Eggen's scientific contributions

Publication (1)

Article
An examination of the nine small-amplitude, ultrashort-period variables assigned to the Hyades group, including one newly discovered (HR 3588), shows that they are divided into two luminosity groups with no apparent period-luminosity relation. A search for similar stars in the old disk population revealed one (HD 6870) new variable in the σ Puppis...

Citations

... Smith called these stars dwarf Cepheids; others called them AI Vel stars (Bessell 1969 in his catalog), or RRL stars (Kukarkin et al. 1969). Eggen (1970Eggen ( , 1979 in his catalog) proposed the term USPC for ultra short period Cepheids, a designation gaining favor in recent years. The class as a whole is known as Delta Scuti stars. ...