Image Details
Caption: Figure 2.
Diagram showing the composition of OBP-B1 from the two different naming conventions: Blaauw (1964) and S21. OBP-B1 is the full combination of Briceño-1 and OBP-Near, which are subgroups of OB1a and OB1b, respectively.
© 2023. The Author(s). Published by the American Astronomical Society.