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Home All issues Volume 692 (December 2024) A&A, 692 (2024) A49 Full HTML
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Table 2.

Parameters of LMC massive stars proximate to the sub-surface convection zone stability window studied in this work.

Simbad name TIC ID Gaia DR3 Teff log10(L/L⊙) νchar PSDmax PSDmin
(K) (d−1) (mmag2/d−1) (mmag2/d−1)
[L72] LH 9−89 30275740 4662154018793644928 26700 5.05 0 . 80 − 0.31 + 0.37 $ 0.80^{+0.37}_{-0.31} $ 9.89 × 10−3 6.16 × 10−6
[ELS2006] N11 051 30275973 4662156630134021376 41400 5.42 2 . 50 − 0.65 + 1.11 $ 2.50^{+1.11}_{-0.65} $ 3.67 × 10−5 1.64 × 10−6
Sk −66 18 30312045 4662202878335589376 40200 5.55 2 . 87 − 0.82 + 1.79 $ 2.87^{+1.79}_{-0.82} $ 1.55 × 10−5 5.69 × 10−7
[ELS2006] N11 046 30313090 4662144501145651328 33500 5.21 1 . 17 − 0.43 + 1.10 $ 1.17^{+1.10}_{-0.43} $ 4.43 × 10−4 5.24 × 10−6
Sk −68 41 31105740 4661392533937464448 24500 5.56 0 . 42 − 0.06 + 0.05 $ 0.42^{+0.05}_{-0.06} $ 5.71 × 10−4 9.05 × 10−8
Sk −68 52 31181554 4661289630893455488 24500 5.76 0 . 32 − 0.07 + 0.06 $ 0.32^{+0.06}_{-0.07} $ 1.18 × 10−3 8.90 × 10−8
Sk −65 22 55758033 4662240708409788928 33500 5.86 0 . 67 − 0.10 + 0.09 $ 0.67^{+0.09}_{-0.10} $ 2.63 × 10−4 1.29 × 10−7
W61 28−5 276936126 4657275137819689216 44000 5.51 0 . 93 − 0.15 + 0.18 $ 0.93^{+0.18}_{-0.15} $ 1.61 × 10−4 4.52 × 10−6
VFTS 72 277300368 4657698454092124416 54800 5.97 1 . 04 − 0.16 + 0.16 $ 1.04^{+0.16}_{-0.16} $ 4.76 × 10−5 1.15 × 10−6
Sk −66 17 277103700 4660278492484698112 29500 5.49 1 . 06 − 0.10 + 0.11 $ 1.06^{+0.11}_{-0.10} $ 9.97 × 10−5 2.13 × 10−7
BI 237 277105480 4660109236409051392 53200 5.83 1 . 04 − 0.29 + 6.09 $ 1.04^{+6.09}_{-0.29} $ 9.09 × 10−6 5.99 × 10−7
VFTS 244 277300097 4657680552664841856 41050 5.58 1 . 87 − 0.39 + 0.48 $ 1.87^{+0.48}_{-0.39} $ 4.94 × 10−4 2.43 × 10−5
VFTS 355 277300563 4657688695923883648 43400 5.52 1 . 08 − 0.11 + 0.13 $ 1.08^{+0.13}_{-0.11} $ 3.99 × 10−5 2.33 × 10−6
Sk −68 135 277300709 4657700790554314752 27500 5.97 0 . 24 − 0.12 + 0.09 $ 0.24^{+0.09}_{-0.12} $ 2.99 × 10−3 6.42 × 10−8
Sk −71 35 287436747 4651835961162249984 23000 5.34 0 . 35 − 0.10 + 0.08 $ 0.35^{+0.08}_{-0.10} $ 5.85 × 10−3 4.76 × 10−7
Sk −66 100 373849172 4660223379469868416 39000 5.59 2 . 75 − 1.03 + 4.79 $ 2.75^{+4.79}_{-1.03} $ 1.60 × 10−5 3.99 × 10−7
BI 173 373919576 4658104341338342528 34500 5.60 2 . 42 − 0.95 + 4.29 $ 2.42^{+4.29}_{-0.95} $ 1.34 × 10−5 3.21 × 10−7
RMC 109 391746326 4660181151347435008 14450 5.10 0 . 27 − 0.10 + 0.08 $ 0.27^{+0.08}_{-0.10} $ 8.41 × 10−4 1.47 × 10−7
Sk −71 41 391887962 4651834994760055040 30000 5.50 0 . 77 − 0.09 + 0.09 $ 0.77^{+0.09}_{-0.09} $ 1.43 × 10−4 2.55 × 10−7
Sk −68 140 404768212 4657688313632701568 23500 5.64 0 . 48 − 0.10 + 0.09 $ 0.48^{+0.09}_{-0.10} $ 8.72 × 10−4 2.78 × 10−7
Sk −67 166 425083410 4660121743354291328 40000 5.98 1 . 39 − 0.12 + 0.11 $ 1.39^{+0.11}_{-0.12} $ 4.33 × 10−5 1.33 × 10−7

Notes. Spectroscopic parameters are from Vink et al. (2023) and Hawcroft et al. (2024), and the characteristic frequency, νchar, and its 2σ confidence interval determined using a Gaussian process (GP) regression methodology (Bowman & Dorn-Wallenstein 2022). The maximum and minimum values of the power spectral density (PSD) of the best-fit GP regression model, as proxies for α0 and CW, respectively, of the SLF variability are also provided. An average for the typical reported uncertainties are σ(Teff) = 1500 K and σ(log10(L/L⊙)) = 0.1 dex.

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