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Table 2

SOFIA flight information and chosen ATRAN parameters for the five observed targets (zenith angle θ, flight height H, water vapour overburden wvp, see Fig. 1).

Object Obs. date Flight Obs. time(a) θ H wvp
(min) (°) (kft) (μm)
HH111 2017-03-07 383 73 40 40 8
SVS13 2017-03-07 383 61 55 39 6
HH26 2015-03-12 199 39 50 41 6
HH34 2015-10-22 249 71 55 42 7
HH30 2017-02-25 378 35 55 42 6

Notes. (a) Total effective on source integration time.

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