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astro-ph.HE2026
Optical Super-orbital Modulation of SMC X-1: Disk Precession and a Revised Pulsar Mass
Masafumi Niwano, Nobuyuki Kawai, Michael Fausnaugh
The observational determination of the lower limit of neutron star masses is crucial for the physics of core-collapse supernovae. In this light, SMC X-1 is an important object beca…
astro-ph.HE2026★ 4 cited
Spectral and photometric variability of SS 433 observed with XRISM and simultaneous optical and near-infrared telescopes
Yusuke Sakai, Shinya Yamada, Yuta Okada +36
We present results from coordinated multiwavelength observations of the SS 433, obtained with XRISM, optical telescopes, and near-infrared camera during 2024 April and 2025 March.…