Image Details
Caption: Figure 19.
Similar to Figure 18, but with the angle, ϕ, between μrel and the binary axis (s) marked. ϕ < 90° has been chosen for ease of visualization. The projection of ﹩d\hat{s}﹩ onto μrel is ﹩{\hat{\mu }}_{\mathrm{rel}}d\cos \phi ﹩.
© 2026. The Author(s). Published by the American Astronomical Society.