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arxiv: 2506.08367 · v2 · pith:ANPVNRDFnew · submitted 2025-06-10 · 🌌 astro-ph.IM · astro-ph.GA· astro-ph.HE· astro-ph.SR

Observatory Science with eXTP

classification 🌌 astro-ph.IM astro-ph.GAastro-ph.HEastro-ph.SR
keywords extpx-rayarraysfocusingobservatorysciencewhitewill
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Scheduled for launch in 2030, the enhanced X-ray Timing and Polarization (eXTP) telescope is a Chinese space-based mission aimed at studying extreme conditions and phenomena in astrophysics. eXTP will feature three main payloads: Spectroscopy Focusing Arrays (SFAs), Polarimetry Focusing Arrays (PFAs), and a Wide-field Camera (W2C). This white paper outlines observatory science, incorporating key scientific advances and instrumental changes since the publication of the previous white paper [1]. We will discuss perspectives of eXTP on the research domains of flare stars, supernova remnants, pulsar wind nebulae, cataclysmic variables, X-ray binaries, ultraluminous X-ray sources, AGN, and pulsar-based positioning and timekeeping.

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