Studying the Variable Continuum and Emission Line Spectrum of 4U 1700-377 using NuSTAR's Stray Light

arXiv:2607.08876 · astro-ph.HE · Submitted 2026-07-09 · Read on arXiv

Colin J Bourque, McKinley C Brumback, Brian W Grefenstette, Douglas J K Buisson, Renee M Ludlam, Guglielmo Mastroserio, Steven Rossland

astro-ph.HE

Submitted: 2026-07-09

DOI: 10.3847/1538-4357/ae80a6

Code: https://github.com/NuSTAR/nuskybgd-py

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Consistency — 2× in this paper · explained in 3 episodes
• alpha — 2× in this paper · explained in 1 episode
• Aperture — 1× in this paper · explained in 1 episode
• Degeneracy — 1× in this paper · explained in 3 episodes

Sources

• Observational Artifacts of NuSTAR: Ghost Rays and Stray Light
• NuSTAR low energy effective area correction due to thermal blanket tear
• Accreting strongly magnetised neutron stars: X-ray Pulsars
• A BeppoSAX observation of the massive X-ray binary 4U1700-37

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