Table 2
Results of the variability analysis.
| Name | log (Lsoft) | log (Lhard) | log (REdd) | Long-term variability | ΔTmax | Short | UV | ||
|
|
|||||||||
| (0.5–2 keV) | (2–10 keV) | SMF0 | SMF1 | SMF2/3 | (years) | term | Variab. | ||
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) |
|
|
|||||||||
| ESO 540-G01 (X, C) | 41.53 ± 0.13 | 41.72 ± 0.13 | – | MEPL | Norm2 | 1 | – | – | |
| 40% | 38% | 74% | |||||||
| ESO 195-IG21 (X, C) | 42.54 ± 0.37 | 43.03 ± 0.37 | – | MEPL | Norm2 | Norm1 | 4 | – | – |
| 98% | 97% | 91% | 98% | ||||||
| ESO 113-G10 (X) | 43.07 ± 0.05 | 42.70 ± 0.05 | –0.74 | ME2PL | Norm1 | 4 | TSH | W2 | |
| 17% | 17% | 40% | |||||||
| NGC 526A (X) | 42.91 ± 0.10 | 43.32 ± 0.09 | –1.16 | 2PL | Norm2 | – | 11 | TSH | W1 |
| 48% | 46% | 48% | |||||||
| MARK 609 (X) | 42.55 ± 0.04 | 42.69 ± 0.04 | – | 2PL | Norm1 | 5 | – | – | |
| 13% | 13% | 22% | |||||||
| NGC 1365 (X)CL | 41.15 ± 0.35 | 42.18 ± 0.42 | –1.95 | ME2PL | N H2 | N2/N1* | 10 | TSH | W1, M2 |
| 81% | 24% | 68% | 33/35% | ||||||
| (X, C) | 41.80 ± 0.38 | 41.73 ± 0.27 | ME2PL | N H2 | Norm2 | 2 | – | – | |
| 99% | 77% | 37% | 30% | ||||||
| NGC 2617 (X) | 43.24 ± 0.15 | 43.25 ± 0.15 | –0.94 | 2PL | Norm1 | N H2 | 0.1 | TS | W1 |
| 46% | 45% | 59% | 30% | ||||||
| MARK 1218 (X) | 41.87 ± 0.22 | 42.56 ± 0.21 | – | PL | Norm | 0.08 | – | No | |
| 64% | 64% | 63% | |||||||
| NGC 2992 (X)CL | 41.57 ± 0.23 | 42.03 ± 0.22 | –2.30 | 2PL | N H2 | Norm2 | 3 | TH | M2 |
| 19% | 19% | 5% | 21% | ||||||
| POX 52 (X, C) | 41.89 ± 0.01 | 41.75 ± 0.02 | 0.18 | ME2PL | N H2 | N H1 | 1 | No | – |
| 2% | 7% | 44% | 100% | ||||||
| NGC 4138 (X, C) | – | 41.53 ± 0.07 | –2.42 | PL** | Norm | 2 | – | – | |
| 21% | 98% | ||||||||
| NGC 4395 (C) | 39.50 | 39.94 | –1.15 | ME2PL | N H2 | 0.003 | – | W1 | |
| 0% | 0% | 31% | |||||||
| (X) | 39.69 ± 0.06 | 40.28 ± 0.40 | ME2PL | N H2 | Norm2 | 12 | TSH | – | |
| 15% | 13% | 20% | 88% | ||||||
| (X, C) | 39.78 ± 0.21 | 40.21 ± 0.22 | ME2PL | Norm2 | 2 | – | – | ||
| 61% | 65% | 93% | |||||||
| NGC 4565 (X, C) | 39.51 ± 0.03 | 39.65 ± 0.07 | –4.63 | PL | N H | 2 | No | – | |
| 11% | 21% | 48% | |||||||
| MARK 883 (X) | 42.42 ± 0.09 | 42.71 ± 0.08 | –1.15 | PL | Norm | 4 | – | W1, W2 | |
| 28% | 28% | 28% | |||||||
| IRAS 20051-1117 (X) | 42.39 ± 0.09 | 42.53 ± 0.09 | –1.16 | PL | Norm | 0.5 | – | No | |
| 29% | 29% | 29% | |||||||
Notes. (Column 1) name, and the instrument (C: Chandra and/or X: XMM–Newton) in parenthesis (CL refer to changing-look candidates); (Cols. 2 and 3) logarithm of the soft (0.5–2 keV) and hard (2–10 keV) X-ray luminosities, where the mean was calculated for variable objects, and percentages in flux variations; (Col. 4) Eddington ratio, Lbol/LEdd, calculated from Eracleous et al. (2010) using Lbol = 33L2−10 keV; (Col. 5) best fit for SMF0; (Col. 6) parameter varying in SMF1, with the percentage of variation; (Col. 7) parameter varying in SMF2 and SMF3 (for NGC 1365,
N1 = Norm1, and N2 = Norm2), with the percentage of variation; (Col. 8) the sampling timescale, corresponding to the difference between the first and the last observation. The percentages correspond to this ΔTmax; (Col. 9) short-term variations in the total (T), soft (S), and/or hard (H) energy bands; and (Col. 10) filters where variations are detected at UV frequencies with the OM. A “–” means that data were not available, while “No” means that variations were not detected.
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