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. Author manuscript; available in PMC: 2020 Aug 26.
Published in final edited form as: Astrophys J. 2018 Aug 7;863(1):15. doi: 10.3847/1538-4357/aace62

Table 2.

IRAC Flux Correction Coefficients

Coeffcient Name 2013 Dec 10 2014 June 2 2014 June 17 2014 July 4 2016 July 12 2016 July 18 2017 July 15 2017 July 25
a 7537.1 5358.9 3693.5 6684.6 −877.31 4748.0 4555.274 6938.5
b −17216 −1336.0 3173.4 −9461.1 −22340 27.372 −4669.305 15146.3
c 3730.1 −2696.0 1679.9 −12401 −12402 −2525.2 −4963.178 13822.1
d −11716 −6104.9 9248.1 9199.4 −6054.6 −9.3296 −102.5009 14876.4
e 3396.5 −1074.1 7629.8 5026.4 9508.4 −5798.4 −3444.561 2254.8
f −3025.0 −760.80 16120 15750 10070 391.47 5618.444 23499.7
g1 0.0054 0.3611 −0.0049 0.1732 0.3128 −0.0004 0.05112 0.05934
g2 −0.0451 −0.2359 0.1518 −0.2194 0.3267 0.4427 0.03646 −0.1593
g3 −0.0007 0.1785 0.0344 −0.2423 0.1124 −0.1267 0.06231 0.1074
g4 0.04063 −0.2422 0.1685 0.1462 0.0672 −0.2089 0.05674 −0.02738
h1 0.2897 −0.7424 −0.2675 −0.5568 1.3735 −0.2927 0.4828 0.1101
h2 1.338 0.5666 −0.4242 0.9940 1.1245 −0.7833 0.8234 0.8551
h3 0.1075 −0.6004 0.4291 0.9720 1.0763 1.5937 0.1941 −1.3753
h4 0.4762 1.1260 −0.6078 −0.2426 0.9778 1.1396 0.6042 −0.9479
K1 0.0679 −0.7136 0.6420 −0.5358 0.0466 −1.0620 −0.0834 −0.0098
K2 0.1133 0.8440 −0.7912 0.9836 −0.1290 −1.0258 −1.3781 −1.0708
K3 −0.3432 −0.2633 −0.1390 1.6669 −0.0074 −0.3891 0.1371 0.3808
K4 −0.0905 0.5196 −0.3543 −0.3662 −0.0981 0.9668 1.0882 0.6798

Note. This table refers to the coefficients defined in Equation (1). For coefficients g, h, and k, the subscripts n = 1 to 4 refer to neighboring pixels in the order (15,16), (17,16), (16,15), and (16,17).