Table 2
Observational details.
| NGC 1052 | ||||||||
|
|
||||||||
| Satellite | Obs ID | Date | Radius | Exptime | Net Exptime | Counts | HR | OM |
| (″) | (ks) | (ks) | (0.5–10 keV) | |||||
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) |
|
|
||||||||
| XMM-Newton c | 093630101 | 2001-08-15 | 25 | 16.3 | 11.2 | 5818 | 
0.06 |
No |
| XMM-Newton | 306230101 | 2006-01-12 | 25 | 54.9 | 44.8 | 25 565 | 
0.03 |
Yes |
| XMM-Newton | 553300301 | 2009-01-14 | 25 | 52.3 | 42.4 | 27 367 | 
0.02 |
Yes |
| XMM-Newton * | 553300501 | 2009-01-14 | 25 | 8.0 | 5.4 | 320 | – | No |
| XMM-Newton | 553300401 | 2009-08-12 | 25 | 59.0 | 46.8 | 30 643 | 
0.02 |
Yes |
| Chandra (ACIS-S) * | 385 | 2005-09-18 | 3 | 2.4 | 2.3 | 270 | 
0.24 |
– |
| Chandra (ACIS-S) * c | 5910 | 2000-08-29 | 3 | 60.0 | 59.2 | 6549 | 
0.04 |
– |
| NGC 3226 | ||||||||
|
|
||||||||
| XMM-Newton c | 0101040301 | 2000-11-28 | 15 | 40.1 | 30.2 | 6514 | 
0.04 |
Yes |
| XMM-Newton | 0400270101 | 2006-12-03 | 15 | 107.9 | 93.1 | 28 199 | –
0.01 |
Yes |
| Chandra (ACIS-S) * c | 860 | 1999-12-30 | 3 | 47.0 | 46.6 | 476 | 
0.12 |
– |
| Chandra (ACIS-S)* | 1616 | 2001-03-23 | 3 | 2.5 | 2.2 | 193 | –
0.31 |
– |
| NGC 3627 | ||||||||
|
|
||||||||
| XMM-Newton c | 0093641101 | 2001-05-26 | 25 | 11.2 | 5.1 | 1181 | –
0.02 |
Yes |
| Chandra (ACIS-S) * | 394 | 1999-11-03 | 8 | 1.8 | 1.8 | 7 | – | – |
| Chandra (ACIS-S) c | 9548 | 2008-03-31 | 8 | 50.2 | 49.5 | 964 | –
0.05 |
– |
| NGC 4261 | ||||||||
|
|
||||||||
| Chandra (ACIS-S) | 834 | 2000-05-06 | 3 | 35.2 | 34.4 | 3465 | –
0.01 |
– |
| Chandra (ACIS-S) c | 9569 | 2008-02-12 | 3 | 102.2 | 100.9 | 7757 | –
0.01 |
– |
| XMM-Newton | 0056340101 | 2001-12-16 | 25 | 33.2 | 21.3 | 10 730 | –
0.01 |
Yes |
| XMM-Newton c | 0502120101 | 2007-12-16 | 25 | 127.0 | 63.0 | 32 156 | –
0.01 |
Yes |
| NGC 4278 | ||||||||
|
|
||||||||
| Chandra (ACIS-S) * | 398 | 2000-04-20 | 3 | 1.4 | 1.4 | 303 | –
0.05 |
– |
| Chandra (ACIS-S) * | 4741 | 2005-02-03 | 3 | 37.9 | 37.5 | 20% pileup | – | – |
| Chandra (ACIS-S) c | 7077 | 2006-03-16 | 3 | 111.7 | 110.3 | 9182 | –
0.01 |
– |
| Chandra (ACIS-S) * | 7078 | 2006-07-25 | 3 | 52.1 | 51.4 | 18% pileup | – | – |
| Chandra (ACIS-S) * | 7079 | 2006-10-24 | 3 | 106.4 | 105.1 | 16% pileup | – | – |
| Chandra (ACIS-S) | 7081 | 2007-02-20 | 3 | 112.1 | 110.7 | 7591 | –
0.01 |
– |
| Chandra (ACIS-S) | 7080 | 2007-04-20 | 3 | 56.5 | 55.8 | 3379 | –
0.01 |
– |
| Chandra (ACIS-S) * | 11269 | 2010-03-15 | 3 | 83.0 | 81.9 | 2091 | –
0.01 |
– |
| Chandra (ACIS-S) * | 12124 | 2010-03-20 | 3 | 26.2 | 25.8 | 576 | –
0.01 |
– |
| XMM-Newton * c | 0205010101 | 2004-05-23 | 25 | 35.9 | 20.8 | 34 516 | –
0.01 |
Yes |
| NGC 4552 | ||||||||
|
|
||||||||
| Chandra (ACIS-S) c | 2072 | 2001-04-22 | 3 | 55.1 | 54.4 | 2288 | –
0.01 |
– |
| XMM-Newton c | 0141570101 | 2003-07-10 | 25 | 44.8 | 17.3 | 12180 | –
0.01 |
Yes |
| NGC 5846 | ||||||||
|
|
||||||||
| XMM-Newton c | 0021540101 | 2001-01-25 | 25 | 30.0 | 25.6 | 25 905 | –
0.01 |
Yes |
| XMM-Newton d | 0021540501 | 2001-08-26 | 25 | 19.7 | 10.0 | 10 027 | –
0.01 |
Yes |
| Chandra (ACIS-S) c | 788 | 2000-05-24 | 7 | 30.3 | 29.9 | 1839 | –
0.01 |
– |
| Chandra (ACIS-I) | 7923 | 2007-06-12 | 7 | 91.2 | 90.0 | 2307 | –
0.01 |
– |
Notes.Instrument (Col. 1), obs ID (Col. 2), date (Col. 3), aperture radius for the nuclear extraction (Col. 4), total exposure time (Col. 5), net exposure time (Col. 6), number of counts in the 0.5–10 keV band (Col. 7), hardness ratio (Col. 8), data from the optical monitor available (Col. 9).
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