3 Magnetars: A Short Review and Some Sparse Considerations
133
77. U. Geppert, M. Rheinhardt, Non-linear magnetic field decay in neutron stars. Theory and
observations. Astron. Astrophys. 392, 1015–1024 (2002). https://doi.org/10.1051/0004-6361:
20020978
78. U. Geppert, M. Rheinhardt, Magnetars versus radio pulsars. MHD stability in newborn highly
magnetized neutron stars. Astron. Astrophys. 456, 639–649 (2006). https://doi.org/10.1051/
0004-6361:20065144
79. S. Gillessen, R. Genzel, T.K. Fritz, E. Quataert, C. Alig, A. Burkert, J. Cuadra, F. Eisenhauer,
O. Pfuhl, K. Dodds-Eden, C.F. Gammie, T. Ott, A gas cloud on its way towards the
supermassive black hole at the Galactic Centre. Nature 481, 51–54 (2012). https://doi.org/
10.1038/nature10652
80. S. Gillessen, R. Genzel, T.K. Fritz, F. Eisenhauer, O. Pfuhl, T. Ott, J. Cuadra, M. Schartmann,
A. Burkert, New observations of the gas cloud G2 in the galactic center. Astrophys. J. 763,
78 (2013). https://doi.org/10.1088/0004-637X/763/2/78
81. K. Glampedakis, D.I. Jones, Three evolutionary paths for magnetar oscillations. Mon. Not.
Roy. Astron. Soc. 439, 1522–1535 (2014). https://doi.org/10.1093/mnras/stu017
82. K. Glampedakis, L. Samuelsson, N. Andersson, Elastic or magnetic? A toy model for
global magnetar oscillations with implications for quasi-periodic oscillations during flares.
Mon. Not. Roy. Astron. Soc. 371, L74–L77 (2006). https://doi.org/10.1111/j.1745-3933.
2006.00211.x
83. P. Goldreich, A. Reisenegger, Magnetic field decay in isolated neutron stars. Astrophys. J.
395, 250–258 (1992). https://doi.org/10.1086/171646
84. D. Gonzalez, A. Reisenegger, Internal heating of old neutron stars: contrasting different mechanisms. Astron. Astrophys. 522, A16 (2010). https://doi.org/10.1051/0004-6361/201015084
85. E.V. Gotthelf, J.P. Halpern, J. Alford, The spin-down of PSR J0821-4300 and PSR J12105226: confirmation of central compact objects as anti-magnetars. Astrophys. J. 765, 58
(2013). https://doi.org/10.1088/0004-637X/765/1/58
86. D. Götz, S. Mereghetti, I.F. Mirabel, K. Hurley, Spectral evolution of weak bursts from SGR
1806-20 observed with INTEGRAL. Astron. Astrophys. 417, L45–L48 (2004). https://doi.
org/10.1051/0004-6361:20040080
87. D. Götz, S. Mereghetti, S. Molkov, K. Hurley, I.F. Mirabel, R. Sunyaev, G. Weidenspointner,
S. Brandt, M. del Santo, M. Feroci, E. Gö˘ gü¸ s, A. von Kienlin, M. van der Klis, C. Kouveliotou, N. Lund, G. Pizzichini, P. Ubertini, C. Winkler, P.M. Woods, Two years of INTEGRAL
monitoring of the soft gamma-ray repeater SGR 1806-20: from quiescence to frenzy. Astron.
Astrophys. 445, 313–321 (2006). https://doi.org/10.1051/0004-6361:20053648.
88. D. Götz, S. Mereghetti, A. Tiengo, P. Esposito, Magnetars as persistent hard X-ray sources:
INTEGRAL discovery of a hard tail in SGR 1900+14. Astron. Astrophys. 449, L31–L34
(2006). https://doi.org/10.1051/0004-6361:20064870
89. D. Götz, N. Rea, G.L. Israel, S. Zane, P. Esposito, E.V. Gotthelf, S. Mereghetti, A. Tiengo,
R. Turolla, Long term hard X-ray variability of the anomalous X-ray pulsar 1RXS J170849.0400910 discovered with INTEGRAL. Astron. Astrophys. 475, 317–321 (2007). https://doi.
org/10.1051/0004-6361:20078291
90. E. Gö˘ gü¸ s, C. Kouveliotou, P.M. Woods, C. Thompson, R.C. Duncan, M.S. Briggs, Temporal
and spectral characteristics of short bursts from the soft gamma repeaters 1806-20 and
1900+14. Astrophys. J. 558, 228–236 (2001)
91. E. Gö˘ gü¸ s, L. Lin, Y. Kaneko, C. Kouveliotou, A.L. Watts, M. Chakraborty, M.A. Alpar,
D. Huppenkothen, O.J. Roberts, G. Younes, A.J. van der Horst, Magnetar-like X-ray bursts
from a rotation-powered pulsar, PSR J1119-6127. Astrophys. J. Lett. 829, L25 (2016). https://
doi.org/10.3847/2041-8205/829/2/L25
92. K.N. Gourgouliatos, A. Cumming, Hall drift and the braking indices of young pulsars. Mon.
Not. Roy. Astron. Soc. 446, 1121–1128 (2015). https://doi.org/10.1093/mnras/stu2140
93. E. Göˇ gü¸ s , P.M. Woods, C. Kouveliotou, J. van Paradijs, M.S. Briggs, R.C. Duncan,
C. Thompson, Statistical properties of SGR 1900+14 bursts. Astrophys. J. Lett. 526, L93–
L96 (1999). https://doi.org/10.1086/312380
133
77. U. Geppert, M. Rheinhardt, Non-linear magnetic field decay in neutron stars. Theory and
observations. Astron. Astrophys. 392, 1015–1024 (2002). https://doi.org/10.1051/0004-6361:
20020978
78. U. Geppert, M. Rheinhardt, Magnetars versus radio pulsars. MHD stability in newborn highly
magnetized neutron stars. Astron. Astrophys. 456, 639–649 (2006). https://doi.org/10.1051/
0004-6361:20065144
79. S. Gillessen, R. Genzel, T.K. Fritz, E. Quataert, C. Alig, A. Burkert, J. Cuadra, F. Eisenhauer,
O. Pfuhl, K. Dodds-Eden, C.F. Gammie, T. Ott, A gas cloud on its way towards the
supermassive black hole at the Galactic Centre. Nature 481, 51–54 (2012). https://doi.org/
10.1038/nature10652
80. S. Gillessen, R. Genzel, T.K. Fritz, F. Eisenhauer, O. Pfuhl, T. Ott, J. Cuadra, M. Schartmann,
A. Burkert, New observations of the gas cloud G2 in the galactic center. Astrophys. J. 763,
78 (2013). https://doi.org/10.1088/0004-637X/763/2/78
81. K. Glampedakis, D.I. Jones, Three evolutionary paths for magnetar oscillations. Mon. Not.
Roy. Astron. Soc. 439, 1522–1535 (2014). https://doi.org/10.1093/mnras/stu017
82. K. Glampedakis, L. Samuelsson, N. Andersson, Elastic or magnetic? A toy model for
global magnetar oscillations with implications for quasi-periodic oscillations during flares.
Mon. Not. Roy. Astron. Soc. 371, L74–L77 (2006). https://doi.org/10.1111/j.1745-3933.
2006.00211.x
83. P. Goldreich, A. Reisenegger, Magnetic field decay in isolated neutron stars. Astrophys. J.
395, 250–258 (1992). https://doi.org/10.1086/171646
84. D. Gonzalez, A. Reisenegger, Internal heating of old neutron stars: contrasting different mechanisms. Astron. Astrophys. 522, A16 (2010). https://doi.org/10.1051/0004-6361/201015084
85. E.V. Gotthelf, J.P. Halpern, J. Alford, The spin-down of PSR J0821-4300 and PSR J12105226: confirmation of central compact objects as anti-magnetars. Astrophys. J. 765, 58
(2013). https://doi.org/10.1088/0004-637X/765/1/58
86. D. Götz, S. Mereghetti, I.F. Mirabel, K. Hurley, Spectral evolution of weak bursts from SGR
1806-20 observed with INTEGRAL. Astron. Astrophys. 417, L45–L48 (2004). https://doi.
org/10.1051/0004-6361:20040080
87. D. Götz, S. Mereghetti, S. Molkov, K. Hurley, I.F. Mirabel, R. Sunyaev, G. Weidenspointner,
S. Brandt, M. del Santo, M. Feroci, E. Gö˘ gü¸ s, A. von Kienlin, M. van der Klis, C. Kouveliotou, N. Lund, G. Pizzichini, P. Ubertini, C. Winkler, P.M. Woods, Two years of INTEGRAL
monitoring of the soft gamma-ray repeater SGR 1806-20: from quiescence to frenzy. Astron.
Astrophys. 445, 313–321 (2006). https://doi.org/10.1051/0004-6361:20053648.
88. D. Götz, S. Mereghetti, A. Tiengo, P. Esposito, Magnetars as persistent hard X-ray sources:
INTEGRAL discovery of a hard tail in SGR 1900+14. Astron. Astrophys. 449, L31–L34
(2006). https://doi.org/10.1051/0004-6361:20064870
89. D. Götz, N. Rea, G.L. Israel, S. Zane, P. Esposito, E.V. Gotthelf, S. Mereghetti, A. Tiengo,
R. Turolla, Long term hard X-ray variability of the anomalous X-ray pulsar 1RXS J170849.0400910 discovered with INTEGRAL. Astron. Astrophys. 475, 317–321 (2007). https://doi.
org/10.1051/0004-6361:20078291
90. E. Gö˘ gü¸ s, C. Kouveliotou, P.M. Woods, C. Thompson, R.C. Duncan, M.S. Briggs, Temporal
and spectral characteristics of short bursts from the soft gamma repeaters 1806-20 and
1900+14. Astrophys. J. 558, 228–236 (2001)
91. E. Gö˘ gü¸ s, L. Lin, Y. Kaneko, C. Kouveliotou, A.L. Watts, M. Chakraborty, M.A. Alpar,
D. Huppenkothen, O.J. Roberts, G. Younes, A.J. van der Horst, Magnetar-like X-ray bursts
from a rotation-powered pulsar, PSR J1119-6127. Astrophys. J. Lett. 829, L25 (2016). https://
doi.org/10.3847/2041-8205/829/2/L25
92. K.N. Gourgouliatos, A. Cumming, Hall drift and the braking indices of young pulsars. Mon.
Not. Roy. Astron. Soc. 446, 1121–1128 (2015). https://doi.org/10.1093/mnras/stu2140
93. E. Göˇ gü¸ s , P.M. Woods, C. Kouveliotou, J. van Paradijs, M.S. Briggs, R.C. Duncan,
C. Thompson, Statistical properties of SGR 1900+14 bursts. Astrophys. J. Lett. 526, L93–
L96 (1999). https://doi.org/10.1086/312380