Concordance: In-flight Calibration of X-Ray Telescopes without Absolute ReferencesDOI: info:10.3847/1538-3881/ac230av. 162254
Marshall, Herman L., Chen, Yang, Drake, Jeremy J., Guainazzi, Matteo, Kashyap, Vinay L., Meng, Xiao-Li, Plucinsky, Paul P., Ratzlaff, Peter, van Dyk, David A., and Wang, Xufei. 2021. "Concordance: In-flight Calibration of X-Ray Telescopes without Absolute References." The Astronomical Journal, 162 254. https://doi.org/10.3847/1538-3881/ac230a.