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To find and download HEASARC data in the cloud, you can use astroquery.heasarc or download our new tool, hark.

The HEASARC and NuSTAR teams are greatly saddened by the sudden passing of Katja Pottschmidt. Most recently Katja was the lead scientist for the NuSTAR Guest Observer Facility (GOF), a role she had supported for many years. During her science career she worked on many other high energy astrophysics missions and played an integral role in advancing our knowledge of the universe. She was a wonderful colleague and friend and will be keenly missed by all who knew her.

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filter detector

This filter is only for the XTE PCA data. You can specify which PCUs, layers, and anode sides you want by a series of three character strings. In each string the first character is the PCU (0-4), the second the layer (1-3), and the third the anode side (L or R). If you use a * for any character then xselect selects all the possibilities. So 

xsel> filter detector "*1*"

will pass layer 1 in all 5 PCU and both anode sides.