Table 2
Success rate of period calculations using single-band data.
| Variable star type | 1 year | 2 years | 3 years | 5 years | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| g filter | r filter | g filter | r filter | g filter | r filter | g filter | r filter | |||||||||||||||||
| Classical Cepheids | 50.9 | 40.3 | 8.8 | 50.8 | 40.0 | 9.1 | 41.0 | 51.3 | 7.7 | 40.5 | 51.5 | 8.0 | 32.4 | 59.8 | 7.9 | 26.0 | 63.0 | 10.9 | 25.8 | 63.4 | 10.8 | 19.2 | 69.1 | 11.7 |
| Delta Scuti stars | 65.1 | 33.7 | 1.1 | 63.1 | 35.1 | 1.7 | 36.9 | 60.7 | 2.4 | 18.5 | 78.5 | 3.1 | 21.7 | 74.6 | 3.7 | 14.8 | 82.1 | 3.1 | 16.1 | 81.4 | 2.5 | 13.5 | 83.3 | 3.2 |
| Eclipsing binaries | 100.0 | 0.0 | 0.0 | 82.2 | 1.6 | 16.3 | 71.1 | 1.6 | 27.3 | 4.4 | 9.1 | 86.5 | 46.3 | 3.5 | 50.2 | 3.9 | 9.0 | 87.1 | 33.9 | 4.2 | 61.9 | 3.2 | 8.3 | 88.5 |
| RR Lyrae stars | 72.4 | 20.1 | 7.6 | 72.9 | 17.0 | 10.0 | 34.0 | 48.2 | 17.8 | 11.7 | 66.2 | 22.1 | 19.5 | 60.1 | 20.5 | 10.0 | 71.2 | 18.8 | 14.3 | 71.5 | 14.3 | 8.9 | 76.4 | 14.6 |
| Type-II Cepheids | 73.1 | 19.1 | 7.8 | 77.4 | 17.0 | 5.7 | 36.8 | 43.2 | 20.0 | 18.2 | 59.4 | 22.3 | 23.7 | 53.5 | 22.8 | 16.0 | 64.8 | 19.2 | 18.6 | 66.5 | 14.9 | 14.2 | 71.5 | 14.3 |
Notes. Success rate (in percentage, rounded to one decimal place) of period calculations using ZTF data with different observation time spans in the g and r filters. The calculations were compared to the OGLE-IV periods. We list unsuccessful calculations due to insufficient data points (red, fewer than 20), and successful period calculations (teal). The text in orange shows stars whose period needed additional fine-tuning, based on the OGLE-IV data.
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