Table 1.
Observations from the AAVSO international database.
| Observer | Code | Filters | Obs. type | Data points |
|---|---|---|---|---|
| Vollmann | VOL | V | DSLR | 445 |
| Sblewski | SMAI | B( * ) | CCD | 141 |
| Van Ballegoij | BVE | B | PEP | 54 |
Notes. The observation type refers to the used photometric measurement device, where DSLR means the digital single lens reflex camera, CCD is a CCD camera and PEP refers to measurements done with a single-channel photometer using a photodiode. The asterisk marks observations that have not been transformed to the standard Johnson-Cousins system.
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