The complete history of this daylight stream is contained in the details accumulated during the two sessions of the Radio Meteor Project during the 1960’s. Z. Sekanina conducted the surveys and was able to isolate this stream in both sets of data.
During the 1961-1965 survey, 26 meteors were detected in the period of January 13 to February 28. The indicated nodal passage was February 2.7 from an average radiant of RA=299.0°, DECL=-15.2°. Sekanina showed that a good probability existed that this stream was a twin branch of his Scorpiid-Sagittariid branch of June (see the Theta Ophiuchids of June), with the D-criterion being given as 0.149. He also suggested a possible relationship to the Apollo asteroid Adonis, with the D-criterion being 0.318.
The 1968-1969 survey revealed 29 meteors during the period of January 15 to February 14. The nodal passage came on January 29.6 (λ=309.1°), at which time the average radiant was RA=298.9°, DECL=-14.2°. The resulting orbit made the identification with the June stream seem even more plausible (D-criterion of 0.119) and the suspected identification with Adonis was also strengthened (D-criterion of 0.199).
The radiant catalog of the British Meteor Society gives the maximum hourly rate as 15.