Massive Black Hole Binaries: Dynamical Evolution and Observational Signatures
Figure 3
Velocity diagrams of H (red, solid lines), H (blue, dotted lines), and MgII (green, dashed lines) for all the spectroscopically identified MBHB candidates. The flux of H is scaled up to match the one of H or MgII. Adapted from Tsalmantza et al. [97].