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Discovery of a Compact Companion to the Hot Subdwarf Star BD +37° 442
La Palombara et al. 2012 The Astrophysical Journal Letters 750 L34.
Caption: Figure 1.
Distribution of the Z 2 statistics vs. trial period for the BD +37° 442 events in the 0.15–2 keV energy range.
© 2012. The American Astronomical Society. All rights reserved.