Table 1: Main emission lines detected in the spectrum of II Zw 40 A, the spectrum was extracted with a circular aperture of 4 pixel or 1.0 $^{\prime \prime }$ radius. The observed fluxes are given in units of 10^-16 erg/s/cm $^2/\mu$ m and the absolute errors are about 10%.
line $\lambda_{\rm obs.} (\mu{\rm m})$ Flux line $\lambda_{\rm obs.} (\mu{\rm m})$ Flux

Br 30 1.485 1.31 Br $\delta$ 1.944 64.5

Br 29 1.487 1.05 He I + [FeII]? 1.954 6.94

Br 28 1.489 1.25 H2 1-0 S (3) 1.957 1.14

Br 27 1.491 1.55 H2 1-0 S (2) 2.034 0.35

Br 26 1.494 1.52 He I 2.042 0.33

Br 25 1.497 1.67 He I 2.058 34.7

Br 24 + ? 1.500 2.25 He I 2.061 0.15

Br 23 1.504 2.19 H2 2-1 S (3) 2.073 0.43

Br 22 + HeI 1.508 3.89 He I 2.113 5.27

Br 21 1.513 3.08 H2 1-0 S (1) 2.122 1.35

Br 20 1.519 3.18 H2 2-1 S (2) 2.154 0.17

Br 19 1.526 4.08 He I 2.162 3.24

Br 18 1.534 5.04 Br $\gamma$ 2.165 103.4

? 1.545 (obs.) 0.31 He I 2.184 0.16

Br 17 1.544 5.84 [FeIII] 2.218 1.35

Br 16 1.556 6.85 H2 1-0 S (0) 2.223 0.57

Br 15 1.570 8.45 [FeIII] 2.242 0.36

Br 14 1.588 10.0 H2 2-1 S (1) 2.248 0.48

Br 13 1.611 13.3 [SeIV]? 2.287 1.15

Br 12 1.641 17.0 Pf 35 2.325 0.41

[FeII] 1.643 5.90 Pf 34 2.328 0.53

[FeII] 1.664 0.15 Pf 33 2.332 0.55

[FeII]? 1.682 (obs.) 1.40 Pf 32 2.335 0.61

Br 11 1.681 23.0 Pf 31 2.339 0.69

He I 1.700 10.5 Pf 30 2.343 0.82

He I 1.732 1.20 Pf 29 + [FeIII] 2.348 1.68

Br 10 1.736 32.2 Pf 28 2.354 1.01

[FeII] + HeI 1.745 0.73 Pf 27 2.360 1.00

He I 1.748 0.40 Pf 26 2.366 1.02

[FeII] 1.809 1.45 Pf 25 2.374 1.22

He I 1.813 1.66 Pf 24 2.382 1.56

? 1.820 (obs.) 3.45 Pf 23 2.392 1.64

Br 9 1.817 48.6 Pf 22 2.403 1.68

H2 1-0 Q (1) 2.406 2.44

Pf 21 + H2 1-0 Q (2) 2.413 1.97

H2 1-0 Q (3) 2.424 1.12

Pf 20 2.431 2.11

H2 1-0 Q(4) 2.437 0.25

? 2.451 (obs.) 0.40

Pf 19 2.448 3.96

**Table 1:** Main emission lines detected in the spectrum of II Zw 40 A, the spectrum was extracted with a circular aperture of 4 pixel or 1.0 $^{\prime \prime }$ radius. The observed fluxes are given in units of 10^-16 erg/s/cm $^2/\mu$ m and the absolute errors are about 10%.
line	$\lambda_{\rm obs.} (\mu{\rm m})$	Flux	line	$\lambda_{\rm obs.} (\mu{\rm m})$	Flux
Br 30	1.485	1.31	Br $\delta$	1.944	64.5
Br 29	1.487	1.05	He I + `[FeII]?`	1.954	6.94
Br 28	1.489	1.25	H2 1-0 S (3)	1.957	1.14
Br 27	1.491	1.55	H2 1-0 S (2)	2.034	0.35
Br 26	1.494	1.52	He I	2.042	0.33
Br 25	1.497	1.67	He I	2.058	34.7
Br 24 + ?	1.500	2.25	He I	2.061	0.15
Br 23	1.504	2.19	H2 2-1 S (3)	2.073	0.43
Br 22 + HeI	1.508	3.89	He I	2.113	5.27
Br 21	1.513	3.08	H2 1-0 S (1)	2.122	1.35
Br 20	1.519	3.18	H2 2-1 S (2)	2.154	0.17
Br 19	1.526	4.08	He I	2.162	3.24
Br 18	1.534	5.04	Br $\gamma$	2.165	103.4
?	1.545 (obs.)	0.31	He I	2.184	0.16
Br 17	1.544	5.84	`[FeIII]`	2.218	1.35
Br 16	1.556	6.85	H2 1-0 S (0)	2.223	0.57
Br 15	1.570	8.45	`[FeIII]`	2.242	0.36
Br 14	1.588	10.0	H2 2-1 S (1)	2.248	0.48
Br 13	1.611	13.3	`[SeIV]?`	2.287	1.15
Br 12	1.641	17.0	Pf 35	2.325	0.41
`[FeII]`	1.643	5.90	Pf 34	2.328	0.53
`[FeII]`	1.664	0.15	Pf 33	2.332	0.55
`[FeII]?`	1.682 (obs.)	1.40	Pf 32	2.335	0.61
Br 11	1.681	23.0	Pf 31	2.339	0.69
He I	1.700	10.5	Pf 30	2.343	0.82
He I	1.732	1.20	Pf 29 + `[FeIII]`	2.348	1.68
Br 10	1.736	32.2	Pf 28	2.354	1.01
`[FeII]` + HeI	1.745	0.73	Pf 27	2.360	1.00
He I	1.748	0.40	Pf 26	2.366	1.02
`[FeII]`	1.809	1.45	Pf 25	2.374	1.22
He I	1.813	1.66	Pf 24	2.382	1.56
?	1.820 (obs.)	3.45	Pf 23	2.392	1.64
Br 9	1.817	48.6	Pf 22	2.403	1.68
			H2 1-0 Q (1)	2.406	2.44
			Pf 21 + H2 1-0 Q (2)	2.413	1.97
			H2 1-0 Q (3)	2.424	1.12
			Pf 20	2.431	2.11
			H2 1-0 Q(4)	2.437	0.25
			?	2.451 (obs.)	0.40
			Pf 19	2.448	3.96

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