Table 3
Summary of the observations.
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | (11) | (12) | (13) |
|
|
||||||||||||
| Galaxy | date | total | effective | seeing (″) | photometric | aperture | A K | A g | A z | R blend | N blend | N |
| exposure time (s) | airmass | correction | correction | (ACSpix) | ||||||||
|
|
||||||||||||
| NGC 3377 | 18, 21 and 22/03/2008 | 12 000 | 1.334 | ~1.2 | −0.060 ± 0.007 | 0.286 ± 0.012 | 0.013 | 0.123 | 0.050 | 30 | 10 | 75 |
| NGC 4278 | 22 and 24/03/2008 | 12 000 | 1.586 | ~1.2 | – | 0.524 ± 0.023 | 0.010 | 0.105 | 0.043 | 30 | 6 | 67 |
| NGC 4365 | 27 and 28/02/2007 | 2700 | 1.203 | ~0.9 | – | 0.083 ± 0.005 | 0.008 | 0.076 | 0.0312 | 25 | 12 | 99 |
| NGC 4374 | 18 and 19/03/2008 | 12 000 | 1.223 | ~1.5 | – | 0.348 ± 0.015 | 0.015 | 0.145 | 0.059 | 35 | 11 | 93 |
| NGC 4382 | 13 and 15/03/2009 | 12 900 | 1.080 | ~1.0 | −0.18 ± 0.03 | 0.341 ± 0.018 | 0.011 | 0.113 | 0.046 | 25 | 5 | 59 |
| NGC 4406 | 28/02/2007 | 11 700 | 1.206 | ~0.9 | – | 0.148 ± 0.006 | 0.011 | 0.109 | 0.044 | 25 | 8 | 76 |
| NGC 4473 | 13, 14, and 15/03/2009 | 12 600 | 1.436 | ~1.2 | −0.23 ± 0.02 | 0.351 ± 0.016 | 0.010 | 0.102 | 0.041 | 30 | 2 | 55 |
| NGC 4486 | 27 and 28/02/2007 | 12 000 | 1.195 | ~1.1 | – | 0.190 ± 0.008 | 0.008 | 0.080 | 0.033 | 30 | 76 | 301 |
| NGC 4526 | 18 and 19/03/2008 | 12 600 | 1.434 | ~1.4 | −0.050 ± 0.007 | 0.448 ± 0.187 | 0.008 | 0.080 | 0.033 | 35 | 6 | 55 |
| NGC 4552 | 18 and 21/03/2008 | 12 600 | 1.253 | ~1.3 | −0.090 ± 0.006 | 0.233 ± 0.009 | 0.015 | 0.149 | 0.061 | 30 | 6 | 107 |
| NGC 4570 | 15 and 16/03/2009 | 11 400 | 1.242 | ~1.0 | −0.20 ± 0.01 | 0.273 ± 0.013 | 0.080 | 0.080 | 0.033 | 25 | 1 | 19 |
| NGC 4621 | 18 and 21/03/2008 | 12 000 | 1.249 | ~1.3 | −0.020 ± 0.001 | 0.270 ± 0.011 | 0.012 | 0.120 | 0.049 | 30 | 10 | 80 |
| NGC 4649 | 27 and 28/02/2007 | 11 700 | 1.284 | ~0.9 | – | 0.161 ± 0.007 | 0.010 | 0.094 | 0.039 | 25 | 21 | 164 |
| NGC 4660 | 15 and 16/03/2009 | 12 300 | 1.258 | ~1.2 | – | 0.466 ± 0.020 | 0.012 | 0.120 | 0.049 | 30 | 6 | 51 |
Notes. LIRIS K-band imaging and relevant calibration parameters for LIRIS and ACS: (1) galaxy; (2) dates the data were taken; (3) total exposure time in seconds; (4) effective airmass; (5) seeing; (6) value of photometric correction; (7) value of aperture correction; (8)–(10) galactic extinction in K(AK), g(Ag) and z(Az) respectively; (11) blending radius (Rblend); (12) number of blended sources; and (13) final number of clusters that satisfy the criteria summarised in Sect. 5.
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