Table 1
Comparison of optimal frequencies.
| Target | Type | Conditional entropy (day−1) | Kernel regression (day−1) | Literature frequency (day−1) | Sample size | Mag (mag) |
|---|---|---|---|---|---|---|
| CRTS J033427.7-271223 | Clas. Pulsator | 1.717876 ± 4.4 × 10−5 | 1.717831 ± 6.0 × 10−6 | 1.717829 (a) | 1414 | V = 15.5 |
| CRTS J033500.6-272854 | Clas. Pulsator | 1.433518 ± 1.0 × 10−5 | 1.433525 ± 3.4 × 10−6 | 1.433527 (a) | 1534 | V = 14.7 |
| MLT J033147.60-281307.9 | Eclips. Binary | 5.277603 ± 1.1 × 10−5 | 2.638751 ± 4.9 × 10−6 | 2.63875 (*) | 1350 | V = 14.0 |
| MLT J162036.64-614110.5 | Eclips. Binary | 3.754604 ± 1.5 × 10−5 | 3.754548 ± 8.6 × 10−6 | 1.87726 (*) | 808 | 𝑔 = 15.0 |
| ZTF J041016.82-083419.5 | Comp. Binary | 12.329054 ± 3.2 × 10−5 | 12.329054 ± 1.7 × 10−5 | 12.329042(b) | 352 | G = 17.4 |
| ZTF J053708.26-245014.6 | Comp. Binary | 10.985491 ± 3.4 × 10−5 | 3.050674(†) ± 1.0 × 10−5 | 3.050700(b) | 138 | G = 16.7 |
| ZTF J063808.71+091027.4 | Comp. Binary | 1.520599 ± 8.1 × 10−6 | 1.520579 ± 5.1 × 10−6 | 1.520576(b) | 735 | G = 19.0 |
| ZTF J140702.57+211559.7 | Comp. Binary | 6.979319 ± 1.3 × 10−5 | 6.979318 ± 5.9 × 10−6 | 6.979331(b) | 366 | G = 18.1 |
| HD 165246 | RV Binary | 0.217809 ± 8.6 × 10−4 | 0.217754 ± 8.7 × 10−5 | 0.217737(c) | 95 | V = 7.6 |
| V772 Cas | RV Binary | 0.144847 ± 3.7 × 10−4 (‡) | 0.188593(†) ± 1.5 × 10−2(‡) | 0.199453(d) | 10 | V = 6.7 |
| HD 114520 | RV Binary | 0.002284 ± 7.4 × 10−6 | 0.002284 ± 5.5 × 10−6 | 0.002283(e) | 71 | V = 6.8 |
Notes. Comparison of the optimal frequencies determined for each target using both the conditional entropy and kernel regression periodograms. (a)Torrealba et al. (2015), (b)Brown et al. (2023), (c)Johnston et al. (2021), (d)Kochukhov et al. (2021), (e)Escorza et al. (2019), (*)frequency verified visually, (†)obtained with FINKER’s adaptive bandwidth,(‡) unreliable uncertainty estimate due to small sample sizes.
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