Table 1
Estimation of apparent diameters from the SDSS using different comparison samples.
| Objects | Apparent | Database | # of | Factor |
| diameter | matches | |||
|
|
||||
| CIGs | D 25 | HyperLeda | 636 | 1.58 |
| CIGs | isoAr | SDSS-DR7 | 560 | 1.41 |
| CIGs | Major axis | NED | 567 | 1.83 |
| CIGs | Kron radius | SDSS-DR9 | 719 | 2.17 |
|
|
||||
| Neighbours | D 25 | Verley+07c | 28,209 | 1.41 |
| Neighbours | D 25 | HyperLeda | 13,972 | 1.23 |
| Neighbours | Kron radius | SDSS-DR9 | 27,719 | 1.43 |
Notes. Column 1: Galaxy samples considered for the estimation. Column 2: apparent diameter measure used for the estimation. Column 3: apparent diameter source. Column 4: number of objects used. Column 5: correction factor for each estimation D25 ≃ factor × DSDSS.
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