Unusually high magnetic fields in the coma of 67P/Churyumov-Gerasimenko during its high-activity phase

Rosetta mission full comet phase results

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Table 1

Discontinuity parameters.

Time	n	B_u (nT)	B_d (nT)	\|B_d\|∕\|B_u\|
21:32:10	(0.24, −0.73, −0.65)	(39, 14, 5)	(74, 22, 5)	1.84	96	92
21:37:08	(0.63, −0.64, 0.43)	(79, 59, 14)	(0, 32, 79)	0.87	79	81
21:41:24	(−0.52, 0.84, −0.16)	(25, 27, 11)	(97, 64, 7)	3.58	90	88
22:06:18	(0.45, −0.69, 0.57)	(135, 64, −32)	(−120, 4, 95)	1.00	91	91
22:36:15	(0.39, −0.75, 0.54)	(−51, −25, −21)	(81, 21, −55)	1.65	102	98

Notes. B_u and B_d give the upstream and downstream magnetic field, i.e., the one-minute average before and after the discontinuity. n is the surface normal of the discontinuity as determined through minimum variance analysis.

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