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S. Johnston, M. Keith, M. Kramer, S. Milia, A. Possenti, N. Rea, B. Stappers, W. van Straten,
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S. Johnston, M.J. Keith, M. Kramer, S. Milia, A. Possenti, B. Stappers, W. van Straten,
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P. Esposito et al.
125. V.M. Kaspi, A.M. Beloborodov, Magnetars. Annu. Rev. Astron. Astrophys. 55, 261–301
(2017). https://doi.org/10.1146/annurev-astro-081915-023329
126. V.M. Kaspi, K. Boydstun, On the X-ray spectra of anomalous X-ray pulsars and soft gamma
repeaters. Astrophys. J. Lett. 710, L115–L120 (2010). https://doi.org/10.1088/2041-8205/
710/2/L115
127. V.M. Kaspi, M. Kramer, Radio pulsars: the neutron star population & fundamental physics,
in Astrophysics and Cosmology, ed. by R. Blandford, D. Gross, A. Sevrin. Proceedings of the
26th Solvay Conference on Physics (World Scientific, Singapore, 2016), pp. 22–61
128. J.A. Kennea, D.N. Burrows, C. Kouveliotou, D.M. Palmer, E. Gö˘ gü¸ s, Y. Kaneko, P.A. Evans,
N. Degenaar, M.T. Reynolds, J.M. Miller, R. Wijnands, K. Mori, N. Gehrels, Swift discovery
of a new soft gamma repeater, SGR J1745–29, near Sagittarius A*. Astrophys. J. Lett. 770,
L24 (2013). https://doi.org/10.1088/2041-8205/770/2/L24
129. B. Kern, C. Martin, Optical pulsations from the anomalous X-ray pulsar 4U0142+61. Nature
417, 527–529 (2002). https://doi.org/10.1038/417527a
130. C. Kouveliotou, S. Dieters, T. Strohmayer, J. van Paradijs, G.J. Fishman, C.A. Meegan,
K. Hurley, J. Kommers, I. Smith, D. Frail, T. Murakami, An X-ray pulsar with a superstrong
magnetic field in the soft gamma-ray repeater SGR 1806-20. Nature 393, 235–237 (1998)
131. M. Kramer, I.H. Stairs, R.N. Manchester, M.A. McLaughlin, A.G. Lyne, R.D. Ferdman,
M. Burgay, D.R. Lorimer, A. Possenti, N. D’Amico, J.M. Sarkissian, G.B. Hobbs, J.E.
Reynolds, P.C.C. Freire, F. Camilo, Tests of general relativity from timing the double pulsar.
Science 314, 97–102 (2006). https://doi.org/10.1126/science.1132305
132. M. Kramer, B.W. Stappers, A. Jessner, A.G. Lyne, C.A. Jordan, Polarized radio emission
from a magnetar. Mon. Not. Roy. Astron. Soc. 377, 107–119 (2007). https://doi.org/10.1111/
j.1365-2966.2007.11622.x
133. L. Kuiper, W. Hermsen, M. Mendez, Discovery of hard nonthermal pulsed X-Ray emission
from the anomalous X-ray pulsar 1E 1841-045. Astrophys. J. 613, 1173–1178 (2004). https://
doi.org/10.1086/423129
134. L. Kuiper, W. Hermsen, P.R. den Hartog, W. Collmar, Discovery of luminous pulsed hard
X-ray emission from anomalous X-ray pulsars 1RXS J1708-4009, 4U 0142+61, and 1E
2259+586 by INTEGRAL and RXTE. Astrophys. J. 645, 556–575 (2006). https://doi.org/
10.1086/504317
135. S.K. Lander, N. Andersson, D. Antonopoulou, A.L. Watts, Magnetically driven crustquakes
in neutron stars. Mon. Not. Roy. Astron. Soc. 449, 2047–2058 (2015). https://doi.org/10.1093/
mnras/stv432
136. N. Langer, Presupernova evolution of massive single and binary stars. Annu. Rev. Astron.
Astrophys. 50, 107–164 (2012). https://doi.org/10.1146/annurev-astro-081811-125534
137. G.T. Lenters, P.M. Woods, J.E. Goupell, C. Kouveliotou, E. Gö˘ gü¸ s, K. Hurley, D. Frederiks,
S. Golenetskii, J. Swank, An extended burst tail from SGR 1900+14 with a thermal X-ray
spectrum. Astrophys. J. 587, 761–770 (2003)
138. Y. Levin, QPOs during magnetar flares are not driven by mechanical normal modes of the
crust. Mon. Not. Roy. Astron. Soc. 368, L35–L38 (2006). https://doi.org/10.1111/j.17453933.2006.00155.x
139. Y. Levin, On the theory of magnetar QPOs. Mon. Not. Roy. Astron. Soc. 377, 159–167 (2007).
https://doi.org/10.1111/j.1365-2966.2007.11582.x
140. Y. Levin, M. van Hoven, On the excitation of f modes and torsional modes by magnetar
giant flares. Mon. Not. Roy. Astron. Soc. 418, 659–663 (2011). https://doi.org/10.1111/j.
1365-2966.2011.19515.x
141. L. Levin, M. Bailes, S. Bates, N.D.R. Bhat, M. Burgay, S. Burke-Spolaor, N. D’Amico,
S. Johnston, M. Keith, M. Kramer, S. Milia, A. Possenti, N. Rea, B. Stappers, W. van Straten,
A radio-loud magnetar in X-ray quiescence. Astrophys. J. Lett. 721, L33–L37 (2010). https://
doi.org/10.1088/2041-8205/721/1/L33
142. L. Levin, M. Bailes, S.D. Bates, N.D.R. Bhat, M. Burgay, S. Burke-Spolaor, N. D’Amico,
S. Johnston, M.J. Keith, M. Kramer, S. Milia, A. Possenti, B. Stappers, W. van Straten,
Radio emission evolution, polarimetry and multifrequency single pulse analysis of the radio
