Table 1.
Details of the 29 low mass stars which show a significant variability in their rotational amplitude over time.
| TIC | RAJ2000 | DEJ2000 | Gmag | imag | MG | BP-RP | MedPer (d) | RUWE | (V − Ks) | τ (d) | Ppredict, cyc (yr) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 33881250 | 66.342433 | –76.501968 | 14.23 | 13.35 | 10.4 | 3.06 | 1.141 | 1.33 | 5.72 | 360 | 3.1 |
| 38515801 | 62.551500 | –63.856128 | 14.57 | 13.68 | 10.0 | 2.86 | 1.072 | 1.19 | 5.50 | 370 | 3.7 |
| 38586438 | 64.090211 | –62.012890 | 12.83 | 12.03 | 8.9 | 2.43 | 0.556 | 1.53 | 4.65 | 420 | 6.9 |
| 142015852 | 96.591637 | –75.277925 | 12.45 | 8.1 | 2.08 | 2.622 | 1.24 | 4.05 | 60 | 1.3 | |
| 142082942 | 98.259771 | –72.762015 | 14.23 | 13.34 | 10.9 | 2.81 | 0.924 | 1.10 | 5.42 | 370 | 3.8 |
| 149347629 | 83.648302 | –60.182846 | 14.13 | 13.25 | 9.8 | 3.03 | 0.566 | 1.10 | 5.68 | 360 | 3.2 |
| 160118032 | 231.210928 | 83.991618 | 14.61 | 13.93 | 10.1 | 2.66 | 0.351 | 1.16 | 5.03 | 400 | 5.2 |
| 176980970 | 101.601200 | –70.634179 | 14.57 | 13.72 | 10.0 | 2.84 | 0.611 | 1.18 | 5.34 | 380 | 4.1 |
| 177313167 | 103.849793 | –74.048574 | 14.21 | 13.33 | 11.5 | 2.97 | 0.300 | 1.20 | 5.53 | 370 | 3.6 |
| 198557860 | 238.295269 | 62.595799 | 14.50 | 13.79 | 11.1 | 3.20 | 0.423 | 1.28 | 5.69 | 360 | 3.2 |
| 219773818 | 263.311581 | 63.207745 | 14.56 | 13.86 | 12.7 | 3.42 | 1.138 | 1.11 | 6.26 | 350 | 2.2 |
| 230384382 | 285.730684 | 60.586065 | 14.72 | 14.04 | 10.2 | 2.77 | 0.497 | 5.56 ( * ) | 4.93 | 400 | 5.5 |
| 230395228 | 286.673233 | 63.754117 | 13.69 | 12.82 | 10.6 | 3.00 | 0.780 | 1.17 | 5.23 | 380 | 4.4 |
| 233547261 | 281.738333 | 60.895959 | 14.46 | 13.77 | 10.0 | 2.61 | 2.451 | 1.14 | 4.98 | 400 | 5.4 |
| 271693722 | 109.549273 | –75.347401 | 14.71 | 13.86 | 10.3 | 2.72 | 1.923 | 1.19 | 4.97 | 400 | 5.4 |
| 278825715 | 100.316544 | –56.275061 | 13.46 | 12.56 | 9.5 | 2.79 | 6.503 | 1.24 | |||
| 294329266 | 109.049841 | –58.814441 | 13.50 | 12.64 | 9.5 | 2.73 | 0.370 | 2.44 | 5.32 | 380 | 4.2 |
| 300866996 | 117.229923 | –67.359987 | 14.32 | 13.37 | 10.7 | 3.45 | 0.355 | 1.84 | 6.64 | 350 | 1.8 |
| 306779230 | 121.428627 | –71.190802 | 14.41 | 13.52 | 9.6 | 2.92 | 1.329 | 1.16 | 5.73 | 350 | 3.0 |
| 339770560 | 111.121245 | –59.372994 | 13.86 | 12.99 | 9.9 | 2.89 | 1.098 | 1.15 | |||
| 341870349 | 276.732905 | 71.413962 | 13.22 | 12.61 | 8.7 | 2.43 | 4.041 | 1.27 | 4.61 | 420 | 7.0 |
| 349192028 | 108.836918 | –60.377753 | 12.86 | 12.14 | 8.2 | 2.11 | 2.059 | 1.30 | 4.08 | 60 | 1.3 |
| 350559457 | 86.563846 | –55.797830 | 14.66 | 13.74 | 11.4 | 3.28 | 0.571 | 1.05 | 6.16 | 350 | 2.4 |
| 353898013 | 271.899854 | 56.324229 | 13.94 | 13.35 | 10.7 | 2.91 | 1.659 | 1.19 | 5.29 | 380 | 4.3 |
| 375035131 | 99.647221 | –62.560617 | 14.77 | 13.85 | 10.0 | 2.90 | 0.928 | 1.09 | 5.56 | 370 | 3.5 |
| 382147080 | 80.523154 | –55.826228 | 13.52 | 12.65 | 9.0 | 2.68 | 0.473 | 6.24 ( * ) | 4.95 | 400 | 5.5 |
| 402897917 | 302.768145 | 68.500219 | 14.69 | 13.99 | 11.1 | 2.91 | 1.088 | 1.03 | 5.33 | 380 | 4.2 |
| 441734910 | 258.253191 | 73.934726 | 12.72 | 12.13 | 10.2 | 2.58 | 1.359 | 1.43 | 4.57 | 420 | 7.2 |
| 441811894 | 266.958528 | 73.176166 | 14.34 | 13.40 | 11.3 | 3.10 | 0.236 | 1.72 | 5.42 | 380 | 4.0 |
Notes. An asterix in the RUWE column implies it has been classed as a binary in Penoyre et al. (2022), while the folded light curve of TIC 38586438 shows it is an eclipsing binary (Figure 5). We also show the (V − Ks) value from the TIC, the convective turnover time, τ, and the predicted length of the activity cycle both derived from the relationships in Irving et al. (2023). Stars TIC 33881250, 149347629 and 441811894 are the stars with periods < 2 d showing higher values of ΔLS than the other stars with crosses in the right hand panel of Figure 4.
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