Image Details
Caption: Figure 4.
Radial velocities of both main components of IR Cas systems. Data are obtained by our measurements (Ondřejov—OES and Skalnaté Pleso observatory—SP) and collected from the paper R. H. Nelson (2022). Full line represents theoretical curve for primary component and dashed for secondary one.
© 2026. The Author(s). Published by the American Astronomical Society.