Table 3
Absolute brightness H(1, 1, 0) and equivalent radius R obtained from the SDSS filter photometry of the nucleus of comet 41P.
| 41P | H(1, 1, 0) | Radius |
|---|---|---|
| Nucleus | (mag) | (km) |
| SDSS g | 18.9 ± 0.3 | 640 (560–730) |
| SDSS r | 18.7 ± 0.3 | 560 (480–640) |
| SDSS i | 18.5 ± 0.3 | 590 (510–680) |
Notes. The values for H(1, 1, 0) in the table represent the median of the H(1, 1, 0) results for the respective set of epochs of each filter. The radius column lists the R values corresponding to the median and the radius range corresponding to the respective H(1, 1, 0) uncertainty. The equivalent radii are calculated according to Eq. (3) assuming a geometric albedo of 0.04 and a phase correction factor of 0.03 mag deg−1, and applying solar AB magnitudes (at 1AU) of − 26.47, − 26.93, − 27.05 mag for SDSS gri filters, respectively. The mean values of the H(1, 1, 0) SDSS g, r, i filter magnitudes of 41P are 18.9 ± 0.9 mag, 18.8 ± 0.7 mag, 18.6 ± 0.8 mag, respectively; their large scatter reflects the brightness variations of the 41P nucleus.
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