Evolution of column density distributions within Orion A

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Table C.1

Upper limits to the distribution of protostellar extinction per region.

Region	Median^a	Minimum^a	Maximum^a
	A_V	A_V	A_V

1	23.3	0.64	35.6
2	13.3	2.18	30.0
3	16.8	4.34	31.8
4	7.51	4.08	26.4
5	13.0	2.63	21.2
6	14.9	4.03	29.7
7	12.5	3.65	35.1
8	8.79	4.54	16.2

Notes.

^(a)

Median, minimum, and maximum A_V (mag) from the calculated from the Herschel N(H) maps centered on the positions of protostars in each region. A_V are calculated in an annulus of size 18″ × [1.5,4 pixels] (or ~11 400 AU to 30 300 AU).

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