Fig. 4 from X‐Ray Spectral Evolution of the Crab Pulse

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X‐Ray Spectral Evolution of the Crab Pulse

Authors: Steven H. Pravdo, Lorella Angelini, and Alice K. Harding

Pravdo, Angelini, & Harding 1997 The Astrophysical Journal 491 808.

Provider: AAS Journals

Caption: Fig. 4.

Pulse‐phase spectroscopy of 16 phase bins combined PCA and HEXTE data. The power‐law indices are shown for two assumed values of the relative normalization between the two detector types. The other nine phase bins are either nebular‐background or transition bins with too few net counts for useful spectroscopy.

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