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Discovery of a Compact Companion to the Hot Subdwarf Star BD +37° 442

  • Authors: Nicola La Palombara, Sandro Mereghetti, Andrea Tiengo, and Paolo Esposito

La Palombara et al. 2012 The Astrophysical Journal Letters 750 L34.

  • Provider: AAS Journals

Caption: Figure 3.

Top panel: pn spectrum of BD +37° 442 with the best-fit power-law (dashed line) plus blackbody (dotted line) model. Bottom panel: residuals (in units of σ) between data and model.

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