Table 2: Parameters for the LSB host galaxy derived from the Sérsic fit.
Galaxy Filter $P_{\rm area}$ (%) PA q(=b/a) c $R_{\rm tran}$ $R_{\rm tran}^{\rm 1D}$ n $\sigma_{n}$ $r_{\rm e}$ $\sigma_{r_{\rm e}}$ $m_{\rm LSB}$ $\sigma_{m_{\rm LSB}}$ $M_{\rm LSB}$ $\mu_{\rm e}$ $\mu_{\rm tran}$ $\mu_{ s/n=1}$

(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16) (17) (18)

Tol 0127-397 B 13.2 -53.8 0.69 0.23 4.58 7.22 1.11 $\pm$ 0.19 0.21 4.02 $\pm$ 0.80 0.15 17.42 $\pm$ 0.19 0.13 -16.51 22.78 23.04 27.06

V 14.2 -50.5 0.67 0.08 4.75 7.16 0.94 $\pm$ 0.15 0.20 4.62 $\pm$ 0.72 0.75 16.08 $\pm$ 0.20 0.20 -17.85 21.64 21.69 25.95

R 14.7 -50.8 0.66 0.08 5.27 7.20 1.02 $\pm$ 0.24 0.20 4.75 $\pm$ 0.24 0.20 15.96 $\pm$ 0.21 0.19 -17.97 21.60 21.80 25.98

Mrk 370 B 15.0 -14.8 0.79 0.09 19.20 35.65 1.04 $\pm$ 0.08 0.20 23.36 $\pm$ 1.00 1.41 13.88 $\pm$ 0.13 0.12 -16.31 23.18 22.85 26.42

V 15.4 -18.4 0.81 0.09 17.65 35.62 1.00 $\pm$ 0.10 0.22 23.21 $\pm$ 1.54 0.70 13.24 $\pm$ 0.10 0.11 -16.95 22.53 22.10 25.63

R 10.4 -14.0 0.80 0.08 16.80 35.50 1.03 $\pm$ 0.14 0.14 23.89 $\pm$ 1.33 1.18 12.71 $\pm$ 0.10 0.10 -17.48 22.07 21.52 25.49

Mrk 5 B 10.9 13.1 0.76 0.10 10.97 13.78 0.99 $\pm$ 0.15 0.38 9.62 $\pm$ 1.25 0.61 16.02 $\pm$ 0.20 0.14 -14.71 23.33 23.58 28.20

V 9.6 13.2 0.75 0.07 10.97 13.67 1.05 $\pm$ 0.14 0.30 9.53 $\pm$ 0.43 1.63 15.54 $\pm$ 0.08 0.27 -15.19 22.84 23.12 27.56

R 9.0 12.5 0.78 -0.01 10.61 13.64 1.05 $\pm$ 0.25 0.32 9.53 $\pm$ 0.28 0.16 15.21 $\pm$ 0.08 0.06 -15.52 22.55 22.76 27.39

Mrk 86 B 18.9 -21.2 0.91 0.00 34.80 45.97 0.94 $\pm$ 0.34 0.03 25.65 $\pm$ 5.00 0.21 13.10 $\pm$ 0.27 0.02 -16.44 22.71 23.35 27.30

V 16.0 -23.7 0.92 0.01 34.80 45.52 1.00 $\pm$ 0.32 0.05 26.24 $\pm$ 3.94 0.95 12.31 $\pm$ 0.20 0.05 -17.23 22.01 22.60 26.44

R 14.6 -21.3 0.90 0.00 34.80 46.33 1.02 $\pm$ 0.26 0.25 25.49 $\pm$ 6.92 5.36 11.73 $\pm$ 0.30 0.21 -17.81 21.35 22.01 26.15

Mrk 35 B 20.2 74.0 0.72 -0.02 20.80 24.57 0.99 $\pm$ 0.18 0.11 15.30 $\pm$ 1.58 0.07 14.15 $\pm$ 0.18 0.05 -16.82 22.41 23.06 27.50

V 17.6 77.3 0.71 0.03 19.45 24.37 1.01 $\pm$ 0.27 0.23 14.83 $\pm$ 1.43 1.12 13.41 $\pm$ 0.15 0.23 -17.56 21.59 22.16 27.71

R 18.5 77.7 0.70 -0.01 19.45 24.08 0.97 $\pm$ 0.16 0.08 14.94 $\pm$ 1.13 0.28 13.11 $\pm$ 0.12 0.08 -17.86 21.28 21.82 27.88

Mrk 36 B 26.5 -25.9 0.47 -0.00 10.15 12.18 1.00 $\pm$ 0.04 0.17 8.79 $\pm$ 0.80 0.18 16.92 $\pm$ 0.15 0.04 -13.17 23.52 23.80 27.76

V 26.0 -24.4 0.48 -0.12 10.34 12.39 1.07 $\pm$ 0.13 0.12 8.64 $\pm$ 0.65 0.40 16.34 $\pm$ 0.25 0.05 -13.72 22.98 23.34 26.41

R 26.5 -23.8 0.49 -0.10 10.34 12.07 1.05 $\pm$ 0.08 0.06 8.81 $\pm$ 0.72 0.03 15.95 $\pm$ 0.10 0.04 -14.14 22.62 22.93 26.84

I Zw 123 B 17.5 -51.1 0.92 -0.26 7.13 9.17 1.58 $\pm$ 0.20 0.18 4.59 $\pm$ 0.65 0.50 16.08 $\pm$ 0.20 0.06 -14.40 22.21 23.20 27.59

V 20.0 -52.9 0.89 -0.20 7.13 9.07 2.20 $\pm$ 0.17 0.22 4.11 $\pm$ 0.37 0.15 15.46 $\pm$ 0.14 0.04 -15.02 21.48 22.74 26.68

Mrk 314 B 13.5 14.8 0.77 -0.46 10.80 16.85 1.01 $\pm$ 0.17 0.30 9.54 $\pm$ 0.79 0.70 14.77 $\pm$ 0.11 0.15 -17.53 22.08 22.32 25.95

Notes.- Columns (1) name of the galaxy; (2) filter; (3) relative percentage area (see definition in 3.1.4); (4) position angle; (5) ellipticity; (6) boxy/discy shape parameter; (7) 2D transition radius ( $^{\prime \prime }$ ); (8) 1D transition radius ( $^{\prime \prime }$ ); (9) 2D fit Sérsic shape parameter; (10) uncertainty in the shape parameter due to sky subtraction errors; (11) effective radius ( $^{\prime \prime }$ ); (12) uncertainty in effective radius ( $^{\prime \prime }$ ) due to sky subtraction errors; (13) total magnitude of the LSB host (mag); (14) uncertainty in total magnitude of the LSB host (mag) due to sky-subtraction errors; (15) absolute magnitude of the host derived from the 2D fit; (16) effective surface brightness (mag arcsec^-2) ; (17) surface brightness of the 2D model at its transition radius (mag arcsec^-2); (18) surface brightness of the 2D model at its S/N=1 level (mag arcsec^-2).
Uncertainties in columns 10, 12 and 14, are estimated as described in Sect. 4.

**Table 2:** Parameters for the LSB host galaxy derived from the Sérsic fit.
Galaxy	Filter	$P_{\rm area}$ (%)	PA	q(=b/a)	c	$R_{\rm tran}$	$R_{\rm tran}^{\rm 1D}$	n	$\sigma_{n}$	$r_{\rm e}$	$\sigma_{r_{\rm e}}$	$m_{\rm LSB}$	$\sigma_{m_{\rm LSB}}$	$M_{\rm LSB}$	$\mu_{\rm e}$	$\mu_{\rm tran}$	$\mu_{ s/n=1}$
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)	(10)	(11)	(12)	(13)	(14)	(15)	(16)	(17)	(18)
Tol 0127-397	B	13.2	-53.8	0.69	0.23	4.58	7.22	1.11 $\pm$ 0.19	0.21	4.02 $\pm$ 0.80	0.15	17.42 $\pm$ 0.19	0.13	-16.51	22.78	23.04	27.06
	V	14.2	-50.5	0.67	0.08	4.75	7.16	0.94 $\pm$ 0.15	0.20	4.62 $\pm$ 0.72	0.75	16.08 $\pm$ 0.20	0.20	-17.85	21.64	21.69	25.95
	R	14.7	-50.8	0.66	0.08	5.27	7.20	1.02 $\pm$ 0.24	0.20	4.75 $\pm$ 0.24	0.20	15.96 $\pm$ 0.21	0.19	-17.97	21.60	21.80	25.98
Mrk 370	B	15.0	-14.8	0.79	0.09	19.20	35.65	1.04 $\pm$ 0.08	0.20	23.36 $\pm$ 1.00	1.41	13.88 $\pm$ 0.13	0.12	-16.31	23.18	22.85	26.42
	V	15.4	-18.4	0.81	0.09	17.65	35.62	1.00 $\pm$ 0.10	0.22	23.21 $\pm$ 1.54	0.70	13.24 $\pm$ 0.10	0.11	-16.95	22.53	22.10	25.63
	R	10.4	-14.0	0.80	0.08	16.80	35.50	1.03 $\pm$ 0.14	0.14	23.89 $\pm$ 1.33	1.18	12.71 $\pm$ 0.10	0.10	-17.48	22.07	21.52	25.49
Mrk 5	B	10.9	13.1	0.76	0.10	10.97	13.78	0.99 $\pm$ 0.15	0.38	9.62 $\pm$ 1.25	0.61	16.02 $\pm$ 0.20	0.14	-14.71	23.33	23.58	28.20
	V	9.6	13.2	0.75	0.07	10.97	13.67	1.05 $\pm$ 0.14	0.30	9.53 $\pm$ 0.43	1.63	15.54 $\pm$ 0.08	0.27	-15.19	22.84	23.12	27.56
	R	9.0	12.5	0.78	-0.01	10.61	13.64	1.05 $\pm$ 0.25	0.32	9.53 $\pm$ 0.28	0.16	15.21 $\pm$ 0.08	0.06	-15.52	22.55	22.76	27.39
Mrk 86	B	18.9	-21.2	0.91	0.00	34.80	45.97	0.94 $\pm$ 0.34	0.03	25.65 $\pm$ 5.00	0.21	13.10 $\pm$ 0.27	0.02	-16.44	22.71	23.35	27.30
	V	16.0	-23.7	0.92	0.01	34.80	45.52	1.00 $\pm$ 0.32	0.05	26.24 $\pm$ 3.94	0.95	12.31 $\pm$ 0.20	0.05	-17.23	22.01	22.60	26.44
	R	14.6	-21.3	0.90	0.00	34.80	46.33	1.02 $\pm$ 0.26	0.25	25.49 $\pm$ 6.92	5.36	11.73 $\pm$ 0.30	0.21	-17.81	21.35	22.01	26.15
Mrk 35	B	20.2	74.0	0.72	-0.02	20.80	24.57	0.99 $\pm$ 0.18	0.11	15.30 $\pm$ 1.58	0.07	14.15 $\pm$ 0.18	0.05	-16.82	22.41	23.06	27.50
	V	17.6	77.3	0.71	0.03	19.45	24.37	1.01 $\pm$ 0.27	0.23	14.83 $\pm$ 1.43	1.12	13.41 $\pm$ 0.15	0.23	-17.56	21.59	22.16	27.71
	R	18.5	77.7	0.70	-0.01	19.45	24.08	0.97 $\pm$ 0.16	0.08	14.94 $\pm$ 1.13	0.28	13.11 $\pm$ 0.12	0.08	-17.86	21.28	21.82	27.88
Mrk 36	B	26.5	-25.9	0.47	-0.00	10.15	12.18	1.00 $\pm$ 0.04	0.17	8.79 $\pm$ 0.80	0.18	16.92 $\pm$ 0.15	0.04	-13.17	23.52	23.80	27.76
	V	26.0	-24.4	0.48	-0.12	10.34	12.39	1.07 $\pm$ 0.13	0.12	8.64 $\pm$ 0.65	0.40	16.34 $\pm$ 0.25	0.05	-13.72	22.98	23.34	26.41
	R	26.5	-23.8	0.49	-0.10	10.34	12.07	1.05 $\pm$ 0.08	0.06	8.81 $\pm$ 0.72	0.03	15.95 $\pm$ 0.10	0.04	-14.14	22.62	22.93	26.84
I Zw 123	B	17.5	-51.1	0.92	-0.26	7.13	9.17	1.58 $\pm$ 0.20	0.18	4.59 $\pm$ 0.65	0.50	16.08 $\pm$ 0.20	0.06	-14.40	22.21	23.20	27.59
	V	20.0	-52.9	0.89	-0.20	7.13	9.07	2.20 $\pm$ 0.17	0.22	4.11 $\pm$ 0.37	0.15	15.46 $\pm$ 0.14	0.04	-15.02	21.48	22.74	26.68
Mrk 314	B	13.5	14.8	0.77	-0.46	10.80	16.85	1.01 $\pm$ 0.17	0.30	9.54 $\pm$ 0.79	0.70	14.77 $\pm$ 0.11	0.15	-17.53	22.08	22.32	25.95

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