Table 2
Stars with the best constraints from our chromospheric emission analysis
Strict LIN or QUAD | Pmin | (Strict LIN or Q UAD) and Pmin | None | ||
---|---|---|---|---|---|
Stars with no chromospheric long-term peak above the 1% fap | |||||
GJ 91 | GJ 2066 (2Pphot) | GJ213 | GJ 436 | All other | |
GJ 93 | GJ 3018 | GJ 341 (Trphot) | GJ 849 (4)(a) | stars | |
GJ 163 | GJ 3082 | GJ 551 (4) (Pphot) | |||
GJ 173 | GJ 3148 (Pphot) | GJ 9482(a) | |||
GJ 179 | GJ 3307 | (91 stars) | |||
GJ 180 (Pphot) | GJ 3404 | ||||
GJ 208(a) | GJ 3470 | ||||
GJ 390 | GJ 3502 | ||||
GJ 406 (4)(a) | GJ 3528 | ||||
GJ 645 | GJ 3804 | ||||
GJ 682 | GJ 3874 | ||||
GJ 699 (7) | GJ4001(a) | ||||
GJ 740 (6) | GJ 4092 | ||||
GJ 864 | GJ 4100 | ||||
GJ 1001 | GJ 9133 | ||||
GJ 1132 | GJ 9360 | ||||
GJ 2056 (Pphot) | |||||
Stars with a chromospheric long-term peak above the 1% fap, validated after steps 1-3 | |||||
GJ 191 (Pphot) | GJ 887 | GJ 87 (Pphot)(a) | GJ 701 | GJ 514 (4) (Pphot)(a) | |
GJ 433 | GJ 221 (Pphot)(a,b) | GJ 752A (1,4) (Pphot)(a) | GJ 693 | ||
GJ 447 (4,8) (Pphot) | GJ 229 (1,4) (2Pphot) | GJ 880 (2Pphot)(b) | GJ 754 | ||
GJ 581 (2,3,4) (Pphot) | GJ 273 (4,9) (Pphot) | GJ 9425 (2Pphot) | GJ 2126(a) | ||
GJ 588 (4) | GJ 317 (4) | GJ 9592 | LP816-60 (5) | ||
GJ 676A (2,4) (Pphot) | GJ536 | ||||
GJ 832 (2,4) (Pphot)(a) | GJ 628 (4) (2Pphot) | ||||
GJ 876 (Pphot) | |||||
Stars with a chromospheric long-term peak above the 1% fap, not validated after steps 1-3 | |||||
GJ 696 (Pphot)(a) | GJ 654 | GJ 149B | GJ 54.1 | ||
GJ 3256 | GJ 3822 | GJ 176 (4) | GJ 361 | ||
GJ 3543 | GJ 393 (Pphot) | GJ 369 | |||
GJ 908 (Pphot)(b) | GJ 667C (2) | ||||
GJ 1075 (Pphot)(b) | GJ 680 (4) (2Pphot) | ||||
GJ 3135 | GJ 3053 | ||||
GJ 3341 | GJ 3293 | ||||
GJ 3634(a) |
Notes. The three first columns identify how we classified the star, using the strict criterion (Fred > 0.5) with the linear or quadratic analysis in at least one chromospheric index, and/or if this criteria has allowed us to determine a minimum period (see Sect. 3.2). Validation of peaks when using the sinusoidal model is performed in Sect. 3.3 and corresponds here to steps 1-3, in order to keep interesting stars for the photometric analysis. Cycles have been published for the stars marked with a number, in the following publications: (1) Buccino et al. (2011), (2) Gomes da Silva et al. (2012), (3) Robertson et al. (2013),(4) Suárez Mascareño et al. (2016), (5) Oláh et al. (2016), (6) Suárez Mascareno et al. (2018), (7) Toledo-Padrón et al. (2019), (8) Ibañez Bustos et al. (2019a) and (9) Perdelwitz et al. (2021). Pphot, 2Pphot, or Trphot indicate that we fitted one or two sinusoidal functions on the photometric time series, with a peak above the 1% fap. (a) indicates peaks in the photometry with a period longer than the temporal coverage of the observations, and (b) indicates that all peaks in the chromospheric analysis have a period longer than the temporal coverage (i.e. did not pass step 4). All stars are from the nightly sample. We refer to Sect. 3.2 for the definition of the LIN and QUAD categories.
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