Kouveliotou, C. et al. An X-ray pulsar with a superstrong magnetic field in the soft γ-ray repeater SGR1806−20. Nature 393, 235–237 (1998).
Google Scholar
Kaspi, V. M. & Beloborodov, A. M. Magnetars. Annu. Rev. Astron. Astrophys. 55, 261–301 (2017).
Google Scholar
CHIME/FRB Collaboration A bright millisecond-duration radio burst from a Galactic magnetar. Nature 587, 54–58 (2020).
Google Scholar
Mereghetti, S. et al. INTEGRAL discovery of a burst with associated radio emission from the magnetar SGR 1935+2154. Astrophys. J. Lett. 898, L29 (2020).
Google Scholar
Bochenek, C. D. et al. A fast radio burst associated with a Galactic magnetar. Nature 587, 59–62 (2020).
Google Scholar
Giri, U. et al. Comprehensive Bayesian analysis of FRB-like bursts from SGR 1935+2154 observed by CHIME/FRB. Preprint at https://arxiv.org/abs/2310.16932 (2023).
Maan, Y., Leeuwen, J. V., Straal, S. & Pastor-Marazuela, I. GBT detection of bright 5 GHz radio bursts from SGR 1935+2154, coincident with X-ray and 600 MHz bursts. The Astronomer’s Telegram 15697 (2022).
Espinoza, C. M., Lyne, A. G., Stappers, B. W. & Kramer, M. A study of 315 glitches in the rotation of 102 pulsars. Mon. Not. R. Astron. Soc. 414, 1679–1704 (2011).
Google Scholar
Yu, M. et al. Detection of 107 glitches in 36 southern pulsars. Mon. Not. R. Astron. Soc. 429, 688–724 (2013).
Google Scholar
Basu, A. et al. The Jodrell Bank glitch catalogue: 106 new rotational glitches in 70 pulsars. Mon. Not. R. Astron. Soc. 510, 4049–4062 (2022).
Google Scholar
Younes, G. et al. Magnetar spin-down glitch clearing the way for FRB-like bursts and a pulsed radio episode. Nat. Astron. 7, 339–350 (2023).
Google Scholar
Israel, G. L. et al. The discovery, monitoring and environment of SGR J1935+2154. Mon. Not. R. Astron. Soc. 457, 3448–3456 (2016).
Google Scholar
Younes, G. et al. X-ray and radio observations of the magnetar SGR J1935+2154 during its 2014, 2015, and 2016 outbursts. Astrophys. J. 847, 85 (2017).
Google Scholar
Younes, G. et al. NICER view of the 2020 burst storm and persistent emission of SGR 1935+2154. Astrophys. J. Lett. 904, L21 (2020).
Google Scholar
Mereghetti, S. et al. INTEGRAL detection of a burst from SGR J1935+2154. GRB Coord. Netw. Circ. No. 32675 (2022).
Palm, D. M. Multiple bursts from SGR J1935+2154. The Astronomer’s Telegram 15667 (2022).
Younes, G. et al. NICER detection of over 100 bursts and enhanced persistent emission from SGR 1935+2154. The Astronomer’s Telegram 15674 (2022).
Livingstone, M. A. et al. X-ray and radio timing of the pulsar in 3C 58. Astrophys. J. 706, 1163–1173 (2009).
Google Scholar
Dib, R. & Kaspi, V. M. 16 yr of RXTE monitoring of five anomalous X-ray pulsars. Astrophys. J. 784, 37 (2014).
Google Scholar
Hu, C. P. & Ng, C. Y. On the connection between radiative outbursts and timing irregularities in magnetars. Astron. Nachr. 340, 340–345 (2019).
Google Scholar
Ge, M.-Y. et al. Spin evolution of the magnetar SGR J1935+2154. Res. Astron. Astrophys. 24, 015016 (2024).
Younes, G. et al. Broadband X-ray burst spectroscopy of the fast-radio-burst-emitting Galactic magnetar. Nat. Astron. 5, 408–413 (2021).
Google Scholar
Enoto, T. et al. Magnetar broadband X-ray spectra correlated with magnetic fields: Suzaku archive of SGRs and AXPs combined with NuSTAR, Swift, and RXTE. Astrophys. J. Suppl. Ser. 231, 8 (2017).
Google Scholar
Zhou, P. et al. Revisiting the distance, environment and supernova properties of SNR G57.2+0.8 that hosts SGR 1935+2154. Astrophys. J. 905, 99 (2020).
Google Scholar
Anderson, P. W. & Itoh, N. Pulsar glitches and restlessness as a hard superfluidity phenomenon. Nature 256, 25–27 (1975).
Google Scholar
Link, B. & Epstein, R. I. Thermally driven neutron star glitches. Astrophys. J. 457, 844 (1996).
Google Scholar
Eichler, D. & Shaisultanov, R. Dynamical oscillations and glitches in anomalous X-ray pulsars. Astrophys. J. Lett. 715, L142–L145 (2010).
Google Scholar
Thompson, C., Lyutikov, M. & Kulkarni, S. R. Electrodynamics of magnetars: implications for the persistent X-ray emission and spin-down of the soft gamma repeaters and anomalous X-ray pulsars. Astrophys. J. 574, 332–355 (2002).
Google Scholar
Hu, K., Baring, M. G., Harding, A. K. & Wadiasingh, Z. High-energy photon opacity in the twisted magnetospheres of magnetars. Astrophys. J. 940, 91 (2022).
Google Scholar
Wadiasingh, Z. & Timokhin, A. Repeating fast radio bursts from magnetars with low magnetospheric twist. Astrophys. J. 879, 4 (2019).
Google Scholar
Gendreau, K. C. et al. The Neutron star Interior Composition Explorer (NICER): design and development. Proc. SPIE 9905, 99051H (2016).
Bachetti, M. et al. Timing calibration of the NuSTAR X-ray telescope. Astrophys. J. 908, 184 (2021).
Google Scholar
Scargle, J. D., Norris, J. P., Jackson, B. & Chiang, J. Studies in astronomical time series analysis. VI. Bayesian block representations. Astrophys. J. 764, 167 (2013).
Google Scholar
Buccheri, R. et al. Search for pulsed gamma-ray emission from radio pulsars in the COS-B data. Astron. Astrophys. 128, 245–251 (1983).
Google Scholar
Olausen, S. A. & Kaspi, V. M. The McGill Magnetar Catalog. Astrophys. J. Suppl. Ser. 212, 6 (2014).
Google Scholar
Ray, P. S. et al. Precise γ-ray timing and radio observations of 17 Fermi γ-ray pulsars. Astrophys. J. Suppl. Ser. 194, 17 (2011).
Google Scholar
Foreman-Mackey, D., Hogg, D. W., Lang, D. & Goodman, J. emcee: the MCMC hammer. Publ. Astron. Soc. Pac. 125, 306 (2013).
Google Scholar
Luo, J. et al. PINT: a modern software package for pulsar timing. Astrophys. J. 911, 45 (2021).
Google Scholar
Remillard, R. A. et al. An empirical background model for the NICER X-ray timing instrument. Astron. J. 163, 130 (2022).
Google Scholar
Wilms, J., Allen, A. & McCray, R. On the absorption of X-rays in the interstellar medium. Astrophys. J. 542, 914–924 (2000).
Google Scholar
Haskell, B. & Melatos, A. Models of pulsar glitches. J. Mod. Phys. D 24, 1530008 (2015).
Google Scholar
Link, B., Epstein, R. I. & Lattimer, J. M. Pulsar constraints on neutron star structure and equation of state. Phys. Rev. Lett. 83, 3362–3365 (1999).
Google Scholar
Andersson, N., Glampedakis, K., Ho, W. C. G. & Espinoza, C. M. Pulsar glitches: the crust is not enough. Phys. Rev. Lett. 109, 241103 (2012).
Google Scholar
Chamel, N. Crustal entrainment and pulsar glitches. Phys. Rev. Lett. 110, 011101 (2013).
Google Scholar
Ho, W. C. G., Espinoza, C. M., Antonopoulou, D. & Andersson, N. Pinning down the superfluid and measuring masses using pulsar glitches. Sci. Adv. 1, e1500578 (2015).
Google Scholar
Alpar, M. A., Anderson, P. W., Pines, D. & Shaham, J. Giant glitches and pinned vorticity in the VELA and other pulsars. Astrophys. J. Lett. 249, L29–L33 (1981).
Google Scholar
Mahlmann, J. F. et al. Electromagnetic fireworks: fast radio bursts from rapid reconnection in the compressed magnetar wind. Astrophys. J. Lett. 932, L20 (2022).
Google Scholar
Wolfson, R. Shear-induced opening of the coronal magnetic field. Astrophys. J. 443, 810 (1995).
Google Scholar
Potekhin, A. Y. Electron conduction in magnetized neutron star envelopes. Astron. Astrophys. 351, 787–797 (1999).
Baring, M. G. & Harding, A. K. Resonant Compton upscattering in anomalous X-ray pulsars. Astrophys. Space Sci. 308, 109–118 (2007).
Google Scholar
Fernández, R. & Thompson, C. Resonant cyclotron scattering in three dimensions and the quiescent nonthermal X-ray emission of magnetars. Astrophys. J. 660, 615–640 (2007).
Google Scholar
Wadiasingh, Z., Baring, M. G., Gonthier, P. L. & Harding, A. K. Resonant inverse Compton scattering spectra from highly magnetized neutron stars. Astrophys. J. 854, 98 (2018).
Google Scholar
Baring, M. G., Wadiasingh, Z. & Gonthier, P. L. Cooling rates for relativistic electrons undergoing Compton scattering in strong magnetic fields. Astrophys. J. 733, 61 (2011).
Google Scholar
Wadiasingh, Z. et al. The fast radio burst luminosity function and death line in the low-twist magnetar model. Astrophys. J. 891, 82 (2020).
Google Scholar