Long optical plateau in the afterglow of the short GRB 150424A with extended emission - Evidence for energy injection by a magnetar?

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Table A.1

All closure relations that are consistent with the data.

CR	Scenario	Spectral regime	p	q

X-ray before break

1	ISM, slow cooling	ν _m < ν < ν _c		0.46 ± 0.10
2	ISM, slow cooling	ν > ν _c		0.71 ± 0.17
4	ISM, fast cooling	ν > ν _m		0.71 ± 0.17
5	wind, slow cooling	ν _m < ν < ν _c		−0.34 ± 0.12
6	wind, slow cooling	ν > ν _c		−1.39 ± 0.08
8	wind, fast cooling	ν > ν _m		0.71 ± 0.17
9	uniform jet (spreading), slow cooling	ν _m < ν < ν _c		0.32 ± 0.05
10	uniform jet (spreading), slow cooling	ν > ν _c		−2.08 ± 0.32
11	ISM, uniform jet (nonspreading), slow cooling	ν _m < ν < ν _c		0.10 ± 0.08
12	ISM, Uniform jet (nonspreading), slow cooling	ν > ν _c		0.14 ± 0.11
13	wind, uniform jet (nonspreading), slow cooling	ν _m < ν < ν _c		−0.22 ± 0.08
14	wind, uniform jet (nonspreading), slow cooling	ν > ν _c		0.46 ± 0.10

X-ray after break

1	ISM, slow cooling	ν _m < ν < ν _c		no energy injection needed
5	wind, slow cooling	ν _m < ν < ν _c		no energy injection needed
6	wind, slow cooling	ν > ν _c		−0.26 ± 0.29
9	uniform jet (spreading), slow cooling	ν _m < ν < ν _c		0.87 ± 0.14
11	ISM, uniform jet (nonspreading), slow cooling	ν _m < ν < ν _c		0.74 ± 0.17
12	ISM, uniform jet (nonspreading), slow cooling	ν > ν _c		no energy injection needed
13	wind, uniform jet (nonspreading), slow cooling	ν _m < ν < ν _c		0.52 ± 0.20
14	wind, uniform jet (nonspreading), slow cooling	ν > ν _c		no energy injection needed

Optical before break

1	ISM, slow cooling	ν _m < ν < ν _c		0.49 ± 0.11
2	ISM, slow cooling	ν > ν _c		0.84 ± 0.21
3	ISM, fast cooling	ν _c < ν < ν _m		0.74 ± 0.08
4	ISM, fast cooling	ν > ν _m		0.84 ± 0.21
5	wind, slow cooling	ν _m < ν < ν _c		−0.58 ± 0.11
6	wind, slow cooling	ν > ν _c		−2.00 ± 0.01
7	wind, fast cooling	ν _c < ν < ν _m		0.58 ± 0.11
8	wind, fast cooling	ν > ν _m		0.84 ± 0.21
9	uniform jet (spreading), slow cooling	ν _m < ν < ν _c		0.12 ± 0.03
10	uniform jet (spreading), slow cooling	ν > ν _c		−4.00 ± 0.04
11	ISM, uniform jet (nonspreading), slow cooling	ν _m < ν < ν _c		0.06 ± 0.07
12	ISM, uniform jet (nonspreading), slow cooling	ν > ν _c		0.10 ± 0.12
13	wind, uniform jet (nonspreading), slow cooling	ν _m < ν < ν _c		−0.34 ± 0.07
14	wind, uniform jet (nonspreading), slow cooling	ν > ν _c		0.49 ± 0.11

Optical after break

6	wind, slow cooling	ν > ν _c		0.02 ± 0.16
11	ISM, uniform jet (nonspreading), slow cooling	ν _m < ν < ν _c		no energy injection needed
13	wind, uniform jet (nonspreading), slow cooling	ν _m < ν < ν _c		0.84 ± 0.13

Notes. The energy injection index q is given where needed.

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