The GBM Accreting Pulsar Project detects pulsations from the HMXB GS 0834-430
ATel #18054; Peter Jenke (UAH), Colleen Wilson-Hodge (NASA/MSFC)
on 18 Sep 2026; 18:26 UT
Credential Certification: Peter Jenke (peter.a.jenke@nasa.gov)
Subjects: Binary, Transient, Pulsar
The GBM Accreting Pulsar Project (GAPP) is detecting pulsations from the transient Be/X-ray binary GS 0834-430 starting September 11, 2026. The outburst, on September 15, 2026, reached a peak RMS pulsed flux in the 12-25 keV band of 0.13 +/- 0.01 keV cm-2 s-1 (17 mCrab). The measured frequency is 81.3392 +/- 0.0002 mHz. This outburst was first reported by MAXI/GSC Atel#18031 (M. Nagajima, et al.) on Sep 6.
The GBM Accreting Pulsar Project
