Open Access
Table 1
Adopted system parameters.
| Parameter | Value | Refs |
|---|---|---|
| Stellar parameters | ||
| Spectral type | M4 | 1 |
| Stellar mass, M⋆ (M⊙) | 0.298 ± 0.018 | 1 |
| Stellar radius, R⋆ (R⊙) | 0.302 ± 0.012 | 1 |
| Effective temperature, Teff (K) | 3269 ± 70 | 2 |
| Rotational period, Prot (days) | 11.05 ± 0.05 | 3 |
| TOI-3884 b parameters | ||
| Orbital period (days) | 4.54458373 ± 0.00000067 | 4 |
| Mid-transit time (BJDTDB) | 2460351.818108 ± 0.000070 | 4 |
| Orbital inclination (°) | ![$\[89.936_{-0.073}^{+0.047}\]$](/articles/aa/full_html/2025/10/aa55998-25/aa55998-25-eq1.png) |
4 |
| Scaled semi-major axis (a/R⋆) | 25.7 ± 0.1 | 4 |
| Impact parameter, b | ![$\[0.03_{-0.02}^{+0.03}\]$](/articles/aa/full_html/2025/10/aa55998-25/aa55998-25-eq2.png) |
4 |
| Transit duration, T14 (h) | 1.622 ± 0.006 | 4 |
| Planet-to-star radius ratio (Rp/R⋆) | 0.200 ± 0.004 | 4 |
| Radius, Rp (R⊕) | 6.6 ± 0.4 | 4 |
| Mass, Mp (M⊕) | 32.6 ± 7.4 | 1 |
Notes. (1) Libby-Roberts et al. (2023), (2) Almenara et al. (2022), (3) Mori et al. (2025), (4) this work.
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