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Table B.1

Absolute emission line fluxes F(λ) in units of 10−15 erg cm−2 s−1 on IRAS22568 in the three epochs.

1988.58 2021.58 2023.88
Emission line F(λ)a F(λ)a F(λ)a
4101 Hδ 2.80±0.14
4340 Hγ 3.93±0.24
4363 [O III] 0.61±0.13 <34.4
4471 He I 0.52±0.04
4861 Hβ 1.16±0.11 6.88±0.11 4.11±0.11
4959 [O III] 2.80±0.08 0.62±0.06
5007 [O III] 8.19±0.09 1.67±0.08
5755 [N II] 0.48±0.04 0.757±0.019 0.314±0.012
5876 He I] 0.86±0.07 0.952±0.017 0.529±0.016
6300 [O I] 3.41±0.17 1.531±0.013 2.760±0.028
6363 [O I] 1.43±0.07 0.557±0.012 1.105±0.026
6548 [N II]] 13.22±0.23 4.82±0.16 3.30±0.07
6563 Hα 51.9±0.9 19.61±0.17 11.71±0.07
6584 [N II] 40.3±0.9 15.14±0.16 9.66±0.07
6678 He I 0.58±0.07 0.254±0.007 0.176±0.010
6716 [S II]] 1.91±0.16 0.482±0.008 0.537±0.011
6731 [S II]] 3.84±0.27 0.925±0.009 1.069±0.011
7002 O II 0.034±0.0011
7065 He I 1.28±0.11 0.319±0.005 0.193±0.008
7137 [A III] 1.97±0.25 0.438±0.005 0.131±0.007
7150 [Fe II]] 0.103±0.005 0.173±0.007
7230 [Fe II]] 0.041±0.003 0.145±0.010
7254 O I 0.037±0.003 0.133±0.010
7281 He I 0.052±0.006 0.242±0.008
7319 [O II]] blendedb 1.375±0.010 0.623±0.009
7330 [O II]] blendedb 1.057±0.010 0.573±0.009
7378 [Ni II]] 0.70±0.14 0.090±0.009 0.125±0.006
7447 [Fe II]] 0.0383±0.0021 0.074±0.007
7751 [A III] 0.126±0.005 0.0280±0.0020
8446 O I blendedc 0.229±0.004 0.066±0.004
8467 P17 blendedc 0.056±0.003 0.0294±0.0021
8502 P16 0.058±0.004 0.063±0.004
8545 P15 0.075±0.004 0.081±0.005
8578 [C III] 0.053±0.004 0.093±0.005
8598 P14 0.054±0.004 0.072±0.006
8605 [Fe II]] 0.090±0.004 0.180±0.005
8665 P13 0.087±0.004 0.093±0.005
8750 P12 0.066±0.003 0.094±0.005
8863 P11 0.105±0.003 0.111±0.004
8890 [Fe II]] 0.063±0.003 0.094±0.004
9015 P10 3.0±0.4 0.126±0.005 0.067±0.003
9069 [S III] 19.1±1.6 0.992±0.005 0.212±0.004
9229 P9 7.4±0.8 0.237±0.005 0.210±0.006
9535 [S III] 51.04±3.26 d 2.217±0.013 0.487±0.012

Notes. a’–’ stands for not detected. b [O II] λ7319,7330 are blended with F(sum)=12.6±0.8. cO I λ8446 and P 17 λ8467 are blended with F(sum)=5.8±0.5. dBlended with P 8 λ9546.

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