Historical CTIO Extinction results
CTIO site-average values for first-order Extinctions for SDSS u'g'r'i'z' can be found at the end of Table 4 of Smith, Tucker, Allam, et al.. They are:
| Filter | k [mag/airmass] |
| u' | 0.489±0.002 |
| g' | 0.181±0.001 |
| r' | 0.095±0.001 |
| i' | 0.089±0.001 |
| z' | 0.053±0.001 |
Updated on September 12, 2021, 2:38 pm