Using SDO’s AIA to investigate energy transport from a flare’s energy release site to the chromosphere

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Table 1

AIA intensity enhancement factors at selected times during flares.

	Based on AIA and CDS^a				AIA observed^b

Channel	Pre peak^c	Rise XIX^d	O V Max^e	Max XIX^f	1st peak^g	Imp. peak^h

94 Å	1.87	6.94	40.6	186.5	1.85	29.2
131 Å	7.51	22.9	51.2	25.0	1.63	11.5
171 Å	4.65	10.7	25.8	17.3	1.33	6.00
193 Å	3.58	9.14	22.2	27.4	1.38	6.74
211 Å	3.08	7.45	21.5	45.2	1.33	7.10
335 Å	4.62	12.7	40.8	67.9	1.35	7.85

Notes.

^(a)

Expected AIA intensity enhancement factor based on nominal temperature response functions (Boerner et al. 2011) combined with intensity enhancement factors measured with CDS spectra during the M2.3 flare on 2001 April 24 (Brosius & Phillips 2004).

^(b)

Values observed by AIA in area A of Fig. 1 during the microflare on 2010 July 31.

^(c)

At the first peak of the flare’s first precursor (17:45:56 UT).

^(d)

At the impulsive rise of the Fe XIX emission (18:08:24 UT).

^(e)

At the maximum intensity observed in the cool (e.g., O V) emission lines (18:10:32 UT).

^(f)

At the maximum of the Fe XIX emission (18:15:18 UT).

^(g)

At the first peak after the microflare’s onset (05:13:30 UT).

^(h)

At the microflare’s first impulsive peak (05:18:30 UT).

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