+-----------------------+------------------------------+---------+-----------------------+--------------+------------+-----------+---------------+------------+------------+ | Name | Period | Epoch | dP/dt | dP/dt Range | Method [1] | B | dE/dt | Age | References | | | (s) | (MJD) | (10^-11 s/s) | (MJD) | | (10^14 G) | (10^33 erg/s) | (kyr) | | +-----------------------+------------------------------+---------+-----------------------+--------------+------------+-----------+---------------+------------+------------+ | CXOU J010043.1-721134 | 8.020392 0.000009 | 53032 | 1.88 0.08 | 52044--53033 | A | 3.93 | 1.44 | 6.76 | 1 | | 4U 0142+61 | 8.68869249 0.00000005 | 53800 | 0.2022 0.0004 | 51610--53800 | ED | 1.34 | 0.122 | 68.1 | 2 | | SGR 0418+5729 | 9.07838822 0.00000005 | 54993 | 0.0004 0.0001 | 54993--56164 | E | 0.0610 | 0.000211 | 36000 | 3 | | SGR 0501+4516 | 5.7620695 0.0000001 | 54701 | 0.594 0.002 | 54701--55248 | ED | 1.87 | 1.23 | 15.4 | 4 | | SGR 0526-66 | 8.0544 0.0002 | 54414 | 3.8 0.1 | 52152--54414 | A | 5.60 | 2.87 | 3.36 | 5 | | 1E 1048.1-5937 | 6.457875 0.000003 | 54185.9 | 2.25 | 50473--54474 | A | 3.86 | 3.30 | 4.54 | 6 | | 1E 1547.0-5408 | 2.0721255 0.0000001 | 54854 | 4.77 | 54743--55191 | A | 3.18 | 211 | 0.689 | 7 | | PSR J1622-4950 | 4.3261 0.0001 | 55080 | 1.7 0.1 | 54939--55214 | A | 2.74 | 8.29 | 4.03 | 8 | | SGR 1627-41 | 2.594578 0.000006 | 54734 | 1.9 0.4 | 54620--54736 | A | 2.25 | 42.9 | 2.16 | 9, 10 | | CXOU J164710.2-455216 | 10.610644 0.000017 | 53999.1 | < 0.04 | 53513--55857 | A | < 0.659 | < 0.0132 | > 420 | 11 | | 1RXS J170849.0-400910 | 11.00502461 0.00000017 | 54836 | 1.9455 0.0013 | 54836--55516 | ED | 4.68 | 0.576 | 8.96 | 2 | | CXOU J171405.7-381031 | 3.825352 0.000004 | 55272 | 6.40 0.05 | 54856--55272 | A | 5.01 | 45.1 | 0.947 | 12 | | SGR J1745-2900 | 3.76363824 0.00000013 | 56513 | 1.385 0.015 | 56457--56519 | ED | 2.31 | 10.3 | 4.31 | 13 | | SGR 1806-20 | 7.54773 0.00002 | 53097.5 | 49.5 | 52021--53098 | A | 19.6 | 45.5 | 0.242 | 14 | | XTE J1810-197 | 5.5403537 0.0000002 | 54000 | 0.777 0.003 | 53850--54127 | E | 2.10 | 1.80 | 11.3 | 15 | | Swift J1818.0-1607 | 1.363490 0.000003 | | 9 1 | 58922 | A | 3.54 | 1400 | 0.240 | 16, 17 | | Swift J1822.3-1606 | 8.43772106 0.00000006 | 55761 | 0.0021 0.0002 | 55758--56600 | E | 0.136 | 0.00140 | 6260 | 18 | | SGR 1833-0832 | 7.5654084 0.0000004 | 55274 | 0.35 0.03 | 55274--55499 | ED | 1.65 | 0.319 | 34.2 | 19 | | Swift J1834.9-0846 | 2.4823018 0.0000001 | 55783 | 0.796 0.012 | 55782--55812 | E | 1.42 | 20.5 | 4.94 | 20 | | 1E 1841-045 | 11.788978 0.000001 | 55585 | 4.092 0.015 | 55615--55903 | ED | 7.03 | 0.986 | 4.57 | 2 | | 3XMM J185246.6+003317 | 11.55871346 0.00000006 | 54728.7 | < 0.014 | 54728--54943 | E | < 0.407 | < 0.00358 | > 1310 | 21 | | SGR 1900+14 | 5.19987 0.00007 | 53826 | 9.2 0.4 | 53634--53826 | A | 7.00 | 25.8 | 0.896 | 22 | | SGR 1935+2154 | 3.2450650 0.0000001 | 56926 | 1.43 0.01 | 56853--56976 | ED | 2.18 | 16.5 | 3.60 | 23 | | 1E 2259+586 | 6.9790427250 0.0000000015 | 54187 | 0.0483695 0.0000063 | 54194--54852 | E | 0.588 | 0.0562 | 229 | 2 | | | | | | | | | | | | | SGR 0755-2933 # | | | | | | | | | | | SGR 1801-23 # | | | | | | | | | | | SGR 1808-20 # | | | | | | | | | | | AX J1818.8-1559 # | | | | | | | | | | | AX J1845.0-0258 # | 6.97127 0.00028 | 49272 | | | | | | | 24 | | SGR 2013+34 # | | | | | | | | | | | | | | | | | | | | | | PSR J1846-0258 ## | 0.32657128834 0.00000000004 | 54834 | 0.7107450 0.0000002 | 54492--55308 | ED | 0.488 | 8060 | 0.728 | 25 | +-----------------------+------------------------------+---------+-----------------------+--------------+------------+-----------+---------------+------------+------------+ Notes: # This candidate is unconfirmed. ## This source is often classified as a young, rotation-powered pulsar, but it was seen to undergo a magnetar-like outburst in 2006 (see Gavriil et al. 2008, Science, 319, 1802). [1] Method by which dP/dt was measured. 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