Open Access
Table C.1.
Merged results of dust activity and photometry of comet 3I/ATLAS by Lesedi and Skalnaté Pleso telescopes.
| Date | Telescope | ρ*, | mR, | HR, | Af(0° )ρ | Af(0° )ρ | Af(0° )ρ | Af(0° )ρ | Af(0° )ρ | Cr, | Cr, | Rc, |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (2025) | km | mag | mag | (g), cm | (r), cm | (i), cm | (V), cm | (R), cm | km2 | km2 kg s−1 | km | |
| Jul 2 | Lesedi | – | – | – | 276 ± 12 | 271 ± 12 | 283 ± 14 | – | – | 234 | ∼(0.3 − 3.0) | < 9 |
| Jul 3 | Skalnaté Pleso | 10606 | 17.64±0.01 | 11.75±0.01 | – | – | – | – | 275 ± 24 | 333 | ∼(0.3 − 2.9) | < 10 |
| Jul 5 | Skalnaté Pleso | 10418 | 17.47±0.01 | 11.65±0.01 | – | – | – | 308 ± 19 | 315 ± 24 | 375 | ∼(0.3 − 3.3) | < 11 |
| Jul 7 | Lesedi | – | – | – | 329 ± 15 | 400 ± 22 | 407 ± 22 | – | – | 308 | ∼(0.4 − 4.2) | < 10 |
| Jul 15 | Lesedi | – | – | – | 310 ± 13 | 384 ± 13 | – | – | – | 237 | ∼(0.3 − 3.7) | < 9 |
| Jul 20 | Skalnaté Pleso | 11640 | 17.33±0.01 | 12.01±0.01 | – | – | – | 280 ± 35 | 275 ± 15 | 329 | ∼(0.3 − 2.9) | < 10 |
| Jul 22 | Skalnaté Pleso | 11490 | 17.22±0.01 | 11.97±0.01 | – | – | – | 267 ± 23 | 300 ± 19 | 355 | ∼(0.3 − 3.1) | < 11 |
| Jul 23 | Lesedi | – | – | – | 275 ± 5 | 347 ± 4 | – | – | – | 431 | ∼(0.5 − 6.9) | < 11 |
| Jul 23 | Skalnaté Pleso | – | – | – | – | – | – | 270 ± 27 | 303 ± 26 | 359 | ∼(0.3 − 3.1) | < 11 |
| Average | – | – | – | – | 298±11 | 351±13 | 345±18 | 281±26 | 294±22 | 329 | ∼(0.3 − 3.7) | < 10 |
** - the projected size of the photometric aperture at the distance of the comet.
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