Dramatic changes in the timing behavior of SXP31.0 as seen by NuSTAR and SRG/ART-XC during the ongoing type II outburst #17216
: Salganik, Alexander; Tsygankov, Sergey S.; Molkov, Sergey; Lutovinov, Alexander; Mushtukov, Alexander; Poutanen, Juri
: 2025
: Astronomer’s Telegram
: Astronomer's Telegram
: 17093
: 1920-406X
: https://www.astronomerstelegram.org/?read=17216
The Be/X-ray pulsar SXP31.0 (Chakrabarty et al. 1998) is currently exhibiting a Type II outburst in April--June 2025 (ATel 17147, ATel 17163), reaching a bolometric luminosity of ~4E+38 erg/s, the brightest one since its discovery in 1998.