Cyclic spectroscopy provides the first direct measurement of C1 = 1.18 ± 0.01 for pulsar B1937+21, indicating a thick scattering screen ~10% of the line-of-sight distance and ruling out thin-screen and thicker geometries at >5σ.
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Constraining Scattering Medium Geometry with Cyclic Spectroscopy
Cyclic spectroscopy provides the first direct measurement of C1 = 1.18 ± 0.01 for pulsar B1937+21, indicating a thick scattering screen ~10% of the line-of-sight distance and ruling out thin-screen and thicker geometries at >5σ.