Open Access
Table 1.
Images properties.
| Filter | Exp. Time | FWHM | A.C. | ΔmagVST − SDSS |
|---|---|---|---|---|
| (h) | (arcsec) | (mag) | (mag) | |
| (1) | (2) | (3) | (4) | |
| u | 3.1 | 0.95 ± 0.03 | 0.421 ± 0.005 | 0.02 ± 0.05 |
| g | 1.8 | 0.90 ± 0.03 | 0.382 ± 0.003 | −0.01 ± 0.03 |
| r | 1.8 | 0.56 ± 0.04 | 0.218 ± 0.002 | −0.02 ± 0.02 |
| i | 1.8 | 0.70 ± 0.06 | 0.235 ± 0.004 | −0.01 ± 0.02 |
Notes. Col. 1 reports the exposure time; Col. 2 shows the median point-like FWHM along with the rms; Col. 3 reports the aperture corrections for point source photometry and the uncertainties; Col. 4 lists the median offset between our photometry and the SDSS one for bright and compact sources.
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