Table 5: Spectroscopy of additional sources (sources with multiple or uncomplete identification; or sources outside the 4 $\sigma$ sample (FN1-057 and FN1-101)). The H $\alpha$ flux is given in parenthesis, in units of 10^-16 erg/cm²/s, when conditions were photometric.
ID Coordinates^a cz (km s^-1) r' Mag. Emission (H $\alpha$ flux) Absorption Comments

FN1-008 160858.0+541818 78 770 $\pm$ 83 18.83 [OII] Na, H, K

FN1-010 160930.9+535148 18 741 $\pm$ 75 17.18 H $\alpha$ (9.1), [NII], [SII] Na, Mg, Ca, H $\beta$ , G, H, K Prob. AGN (NII/H $\alpha >0.5$ )

FN1-019 161235.4+541545 18 663 $\pm$ 104 17.05 H $\alpha$ (5.0), [NII], [OI], [OII] Na, (Mg), H $\beta$ , G, H, K AGN ([NII]/H $\alpha >0.5$

FN1-025N 160833.4+545510 15 761 $\pm$ 37 18.81 H $\alpha$ , [NII], [SII], H $\beta$ , [OIII], ([OII]) H

FN1-025S 160834.5+545421 32 671 $\pm$ 54 H $\alpha$ , [NII], H $\beta$ , [OIII], [OII]

FN1-028A 160738.2+534250 19 816 $\pm$ 154 17.59 Na, Mg, H $\beta$ , G, H, K

FN1-028B 160746.5+534151 19 921 $\pm$ 142 16.70 [OII] Mg, Ca, (H $\beta$ ), G, H, K

FN1-029 161117.5+541629 43 100 $\pm$ 70 18.67 H $\alpha$ (11.4), [NII] Na, H, K

FN1-032 161239.9+543657 18 674 $\pm$ 63 17.38 H $\alpha$ (8.9), [NII], [SII] Na, Mg, (H $\beta$ ), G, H, K AGN (NII/H $\alpha \sim1$ )

FN1-034 (160724.2+544330) 27 916 $\pm$ 54 18.66 H $\alpha$ (27.5), [NII], H $\beta$ , [OIII], [OII] K

FN1-037 161509.0+541837 85 500 $\pm$ 300 19.42 [OII], [NeV] Mg, K Id. uncertain

FN1-042 161038.9+543628 18 844 $\pm$ 68 17.24 [NII] Na, H $\beta$ , Ca, Mg, H, K AGN ([NII]/H $\alpha$ > 1)

FN1-044 160931.6+541827 24 682 $\pm$ 41 18.69 H $\alpha$ (7.2), [NII], [SII], [OIII] (Na), (G)

FN1-045 160853.9+544735 276 400? 19.24 [OII]?? Single emission line

FN1-046A 161249.4+540837 45 290 $\pm$ 16 18.01 ([NeV]??) Na, Mg, (G), H, K Radio source

FN1-046B 161251.1+540801 18 566 $\pm$ 73 17.38 H $\alpha$ , [NII], [SII], [OII] Na, G, H, K

FN1-048 161059.1+542305 18 688 $\pm$ 22 19.37 H $\alpha$ (10.8), [NII], [SII], H $\beta$ , [OIII] Na

FN1-049 160801.6+543642 38 381 $\pm$ 107 18.89 H $\beta$ , [OIII], [OII] (H), K

FN1-057 160801.6+543643 27 546 $\pm$ 35 18.43 H $\alpha$ (15.1), [NII] Na, Ca, (G), H, K

FN1-101 160946.1+542127 19 690 $\pm$ 58 18.44 H $\alpha$ , [NII], [SII], H $\beta$ , [OIII], [OII] H, K

^a J2000 position of the optical counterpart.

**Table 5:** Spectroscopy of additional sources (sources with multiple or uncomplete identification; or sources outside the 4 $\sigma$ sample (FN1-057 and FN1-101)). The H $\alpha$ flux is given in parenthesis, in units of 10^-16 erg/cm²/s, when conditions were photometric.
ID	Coordinates^a	cz (km s^-1)	r' Mag.	Emission (H $\alpha$ flux)	Absorption	Comments
FN1-008	160858.0+541818	78 770 $\pm$ 83	18.83	[OII]	Na, H, K
FN1-010	160930.9+535148	18 741 $\pm$ 75	17.18	H $\alpha$ (9.1), [NII], [SII]	Na, Mg, Ca, H $\beta$ , G, H, K	Prob. AGN (NII/H $\alpha >0.5$ )
FN1-019	161235.4+541545	18 663 $\pm$ 104	17.05	H $\alpha$ (5.0), [NII], [OI], [OII]	Na, (Mg), H $\beta$ , G, H, K	AGN ([NII]/H $\alpha >0.5$
FN1-025N	160833.4+545510	15 761 $\pm$ 37	18.81	H $\alpha$ , [NII], [SII], H $\beta$ , [OIII], ([OII])	H
FN1-025S	160834.5+545421	32 671 $\pm$ 54		H $\alpha$ , [NII], H $\beta$ , [OIII], [OII]
FN1-028A	160738.2+534250	19 816 $\pm$ 154	17.59		Na, Mg, H $\beta$ , G, H, K
FN1-028B	160746.5+534151	19 921 $\pm$ 142	16.70	[OII]	Mg, Ca, (H $\beta$ ), G, H, K
FN1-029	161117.5+541629	43 100 $\pm$ 70	18.67	H $\alpha$ (11.4), [NII]	Na, H, K
FN1-032	161239.9+543657	18 674 $\pm$ 63	17.38	H $\alpha$ (8.9), [NII], [SII]	Na, Mg, (H $\beta$ ), G, H, K	AGN (NII/H $\alpha \sim1$ )
FN1-034	(160724.2+544330)	27 916 $\pm$ 54	18.66	H $\alpha$ (27.5), [NII], H $\beta$ , [OIII], [OII]	K
FN1-037	161509.0+541837	85 500 $\pm$ 300	19.42	[OII], [NeV]	Mg, K	Id. uncertain
FN1-042	161038.9+543628	18 844 $\pm$ 68	17.24	[NII]	Na, H $\beta$ , Ca, Mg, H, K	AGN ([NII]/H $\alpha$ > 1)
FN1-044	160931.6+541827	24 682 $\pm$ 41	18.69	H $\alpha$ (7.2), [NII], [SII], [OIII]	(Na), (G)
FN1-045	160853.9+544735	276 400?	19.24	[OII]??		Single emission line
FN1-046A	161249.4+540837	45 290 $\pm$ 16	18.01	([NeV]??)	Na, Mg, (G), H, K	Radio source
FN1-046B	161251.1+540801	18 566 $\pm$ 73	17.38	H $\alpha$ , [NII], [SII], [OII]	Na, G, H, K
FN1-048	161059.1+542305	18 688 $\pm$ 22	19.37	H $\alpha$ (10.8), [NII], [SII], H $\beta$ , [OIII]	Na
FN1-049	160801.6+543642	38 381 $\pm$ 107	18.89	H $\beta$ , [OIII], [OII]	(H), K
FN1-057	160801.6+543643	27 546 $\pm$ 35	18.43	H $\alpha$ (15.1), [NII]	Na, Ca, (G), H, K
FN1-101	160946.1+542127	19 690 $\pm$ 58	18.44	H $\alpha$ , [NII], [SII], H $\beta$ , [OIII], [OII]	H, K

Source LaTeX | All tables | In the text

	1 Introduction
	2 Complementary observations
	3 Identifications: method and results
	4 Optical properties of identified sources
	5 Mid and far-IR properties
	6 The radio-FIR relation
	7 Star formation rates
	8 Discussion and conclusions
	References
	Online Material