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Author

A. Ptak

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Review Sep 2026

NASA ASTRA White Paper : A Chandra Successor in the 2030s

Chandra established that soft X-ray spectral imaging with approximately 1 arcsec angular resolution is an essential tool for almost every area of astrophysics, from the early Universe to ice chemistry in protoplanetary disks. While Chandra continues to deliver groundbreaking science, it lacks the sensitivity to be the...

C. Reynolds, E. Hodges-Kluck, E. Kara et al. · 0 citations
Preprint Aug 2026

X-ray grating spectroscopy as a mission enhancement

We propose to add instruments to any potential future X-ray mission with focussing optics that is considered in NASA's ASTRA framework. Such an instrument is a necessity to study AGN wind outflows and feedback, find the missing baryons, study the intergalactic medium, and analyze abundances and chemical bonds in dust g...

Hans Moritz Guenther, E. Behar, Joel N. Bregman et al. · 0 citations

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