Table 1
Parameters of the sample galaxies.
| Name | Distance | Spectr. class | [O III] luminosity (and EW) | Chandra observations | L radio | |||||
| Ho | K06 | Palomar | HST | Obs. Id | Exp. Time | Cts | L (2–10 keV) | |||
|
|
||||||||||
| NGC 2787 | 13.0 | L | L | 38.37 (1.1) | 37.75 (9.8) | 4689 | 30.8 | 476 | 39.11 | 20.15 |
| NGC 3368 | 8.1 | L | L | 37.64 (0.6) | <36.40 (<0.5) | 391 | 2.0 | 7 | <38.26 | <18.89 |
| NGC 3489 | 6.4 | T/S | A (L/S) | 38.33 (1.9) | <36.28 (<0.4) | 392 | 1.7 | 10 | 38.14 | <18.69 |
| NGC 3982 | 17.0 | S | S | 39.83 (76.1) | 39.24 (640) | 4845 | 9.2 | 52 | 38.69 | <19.54 |
| NGC 3992 | 17.0 | T | A (L/S) | 38.40 (1.3) | 37.10 (2.5) | No Chandra observations | <19.64 | |||
| NGC 4143 | 17.0 | L | L | 38.81 (2.0) | 38.49 (25) | 1617 | 2.51 | 144 | 40.00 | 20.06 |
| NGC 4203 | 9.7 | L | L | 38.53 (2.4) | 38.28 (38) | 10 535 | 41.6 | 6144 | 40.14 | 20.03 |
| NGC 4314 | 9.7 | L | A (SF/L) | 37.75 (0.6) | <36.17 (<1.0) | 2062 | 16.1 | 20 | <37.78 | <19.05 |
| NGC 4321 | 16.8 | T | A (SF/L) | 38.24 (1.4) | 37.20 (2.4) | 6727 | 37.9 | 89 | 38.22 | <19.48 |
| NGC 4435 | 16.8 | T/H | A (SF/L) | 38.02 (0.3) | <36.67 (<1.0) | 8042 | 4.90 | 10 | <38.71 | <19.57 |
| NGC 4450 | 16.8 | L | L | 38.78 (2.4) | 38.43 (24) | 3997 | 3.35 | 447 | 40.14 | 19.83 |
| NGC 4459 | 16.8 | T | A (SF/L) | 37.83 (0.2) | 36.96 (0.6) | 11 784 | 29.8 | 71 | <38.75 | <19.53 |
| NGC 4477 | 16.8 | S | A (L/S) | 38.82 (2.7) | 37.44 (4.2) | 9527 | 37.7 | 81 | 38.62 | <19.53 |
| NGC 4501 | 16.8 | S | S | 39.10 (5.9) | 37.74 (6.1) | 2922 | 17.87 | 188 | 39.39 | <19.57 |
| NGC 4548 | 16.8 | L | L | 38.11 (0.9) | 37.10 (2.5) | 1620 | 2.7 | 20 | 38.85 | 19.61 |
| NGC 4596 | 16.8 | L | L | <37.62 (<0.3) | <36.70 (<0.4) | 11 785 | 31.0 | 28 | <38.38 | <19.57 |
| NGC 4698 | 16.8 | S | A (L/S) | 38.81 (3.1) | 37.70 (8.8) | 3008 | 145 | 20 | 38.75 | <19.53 |
| NGC 5055 | 7.2 | T | L | 37.43 (0.4) | <36.67 (<0.6) | 2197 | 28.0 | 209 | 38.54 | <18.83 |
Notes. Column description: 1) name; 2) distance in Mpc; 3) spectroscopic classification according to Ho et al. (1997) (SF = star-forming, L = LINER, S = Seyfert, T = transition galaxy) and 4) adopting to the scheme of Kewley et al. (2006) that also includes ambiguous galaxies (A); 5) logarithm of the [O III] luminosity (erg s-1); and 6) equivalent width from the Palomar survey (Ho et al. 1997); 7 and 8) [O III] luminosity and EW from the HST survey (Shields et al. 2007); data from the Chandra observations: 9) observations ID; 10) exposure time (ks); 11) nuclear counts; 12) luminosity in the 2–10 keV range (erg s-1); 13) radio luminosity at 15 GHz (W/Hz) from Nagar et al. (2005).
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