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NGC 2403 XMM4: evidence for a super-Eddington neutron star with a possible transient pulsation (2024)
Journal Article
Luangtip, W., & Roberts, T. P. (2024). NGC 2403 XMM4: evidence for a super-Eddington neutron star with a possible transient pulsation. Monthly Notices of the Royal Astronomical Society, 528(1), 418-431. https://doi.org/10.1093/mnras/stae023

We present a study of the X-ray source NGC 2403 XMM4 (4XMM J073702.2+653934) based on 20 yr of archival observations
with XMM–Newton, Chandra, Swift, and NuSTAR. Although it has previously been classified as an ultraluminous X-ray source
(ULX), we... Read More about NGC 2403 XMM4: evidence for a super-Eddington neutron star with a possible transient pulsation.

The Large Deficit of HMXB Emission from Luminous Infrared Galaxies: The Case of the Circumnuclear Starburst Ring in NGC 7552 (2023)
Journal Article
West, L., Garofali, K., Lehmer, B. D., Prestwich, A., Eufrasio, R., Luangtip, W., …Zezas, A. (2023). The Large Deficit of HMXB Emission from Luminous Infrared Galaxies: The Case of the Circumnuclear Starburst Ring in NGC 7552. Astrophysical Journal, 952(1), Article 22. https://doi.org/10.3847/1538-4357/acd9aa

Luminous infrared galaxies (LIRGs), the most extreme star-forming galaxies in the nearby (D < 30 Mpc) universe, show a notable X-ray emission deficiency (up to a factor of ∼10) compared with predictions from scaling relations of galaxy-wide high-mass... Read More about The Large Deficit of HMXB Emission from Luminous Infrared Galaxies: The Case of the Circumnuclear Starburst Ring in NGC 7552.