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Table 1.

Main properties of galaxies.

Galaxy αJ2000(1) δJ2000(1) T(1) RC3 type (1) D25(1) Dist. (1) i(1) Nuclear (1),(2) 12 + log(O/H)N2(3) O/H gradient (3)
activity r = 0.4r25
[hms] [° ′ ″] [′] [Mpc] [°] dex/(r/r25)
NGC 300 00 54 53.4 −37 41 03 7 SA(s)d 19.5 2.0 43.0 8.432 ± 0.022 −0.48 ± 0.08
IC 342 03 46 48.5 +68 05 47 6 SAB(rs)cd 20.0 3.1 31.0 H 8.637 ± 0.095 −0.29 ± 0.13
NGC 2403 07 36 51.1 +65 36 03 6 SAB(s)cd 20.0 3.5 62.9 L 8.329 ± 0.026 −0.02 ± 0.09
NGC 3031 (M 81) 09 55 33.1 +69 03 55 2 SA(s)ab 21.4 3.7 59.0 L/S1.8 8.632 ± 0.031 −0.08 ± 0.07
NGC 7793 23 57 49.7 −32 35 28 8 SA(s)d 10.5 3.8 49.6 H 8.412 ± 0.031 −0.42 ± 0.12
NGC 4736 (M 94) 12 50 53.0 +41 07 13 2 (R)SA(r)ab 7.8 5.2 41.4 S2/L 8.735 ± 0.078 −0.09 ± 0.20
NGC 6946 20 34 52.2 +60 09 14 6 SAB(rs)cd 11.5 5.6 32.6 S2/H 8.647 ± 0.069 −0.40 ± 0.15
NGC 5236 (M 83) 13 37 00.9 −29 51 57 5 SAB(s)c 13.5 6.5 24.0 H 8.735 ± 0.005 −0.10 ± 0.01
NGC 3621 11 18 16.5 −32 48 51 7 SA(s)d 9.8 6.9 64.7 H 8.369 ± 0.024 −0.18 ± 0.03
NGC 5457 (M 101) 14 03 12.6 +54 20 57 6 SAB(rs)cd 24.0 7.0 18.0 H 8.452 ± 0.011 −0.52 ± 0.02
NGC 5194 (M 51) 13 29 52.7 +47 11 43 4 SA(s)bc pec 13.8 7.9 42.0 S2 8.728 ± 0.016 −0.30 ± 0.18 (4)
NGC 5055 (M 63) 13 15 49.2 +42 01 45 4 SA(rs)bc 11.8 8.2 59.0 H/L 8.730 ± 0.067 −0.22 ± 0.17
NGC 925 02 27 16.5 +33 34 44 7 SAB(s)d 10.7 8.6 66.0 H 8.338 ± 0.014 −0.30 ± 0.05
NGC 628 (M 74) 01 36 41.8 +15 47 00 5 SA(s)c 10.0 9.0 7.0 H 8.605 ± 0.008 −0.39 ± 0.00
NGC 3521 11 05 48.6 −00 02 09 4 SAB(rs)bc 8.3 12.0 72.7 H/L 8.649 ± 0.060 −0.10 ± 0.20
NGC 4725 12 50 26.6 +25 30 03 2 SAB(r)ab pec 9.8 13.6 54.0 S2
NGC 1365 03 33 36.4 −36 08 25 3 SB(s)b 12.0 17.7 40.0 S1.8 8.634 ± 0.015 −0.26 ± 0.06
NGC 1097 02 46 19.0 −30 16 30 3 SB(s)b 10.5 19.6 46.0 L 8.803 ± 0.062

Notes.

(1)

See C17 for source references of the collected galaxy properties.

(2)

Classification of nuclear activity: H = H II nucleus, S = Seyfert nucleus, and L = LINER.

(3)

Oxygen abundances at r = 0.4r25 and metallicity gradients from the empirical calibration N2 of Pettini & Pagel (2004).

(4)

Value of the metallicity gradient from Croxall et al. (2015). For details on notes (3) and (4) see Sect. 3.4.

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