| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
L 231-32 DR2 4781196115469953024 J04333970-5157222 |
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| RA | 04:33:39.7202 | DEC | -51:57:22.436 | ||
| Parallax 44.456 mas |
P.M. RA 82.944 mas/y |
P.M. DEC -269.755 mas/y |
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| MagV 12.617 |
MagR 12.147 |
MagI* 10.418 |
MagJ 9.099 |
MagH 8.531 |
MagK 8.251 |
| MagG 11.631 |
MagGBP 12.87 |
MagGRP 10.543 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2022 | |||||
| Mid-time 2458776.58464 ± 0.00037 BJDTDB |
|||||
| Period 11.379568 ± 1.2e-05 days |
|||||
| Transit Parameters | |||||
| Günther et al. 2019 | |||||
| Rp/Rs 0.05143 ± 0.00074 |
a/Rs 41.56 +0.7 -0.83 |
i 89.69 +0.16 -0.12 deg |
|||
| e - |
ω - deg |
||||
| DepthR* 3.52 mmag |
Duration* 2.15 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
|||||
| Limb Darkening Parameters | |||||
| Günther et al. 2019 | |||||
| Teff 3386.0 +137.0 -131.0 K |
Log(g) 4.88 +0.068 -0.067 cm/s2 |
Fe/H -0.17 +0.1 -0.1 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | ALERT | ||||
| Minimum aperture | 23.36" | ||||
| Total Observations (Recent) | 12 (2) | ||||
| O-C | 15.6 ± 1.63 minutes | ||||
| ExoClock Observations (Recent) | 2 (2) | ||||
| Space Observations (Recent) | 10 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 0 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.05147 ± 0.00082 | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| TOI-270d (ALERT) 2023-11-30 | Magdalena Szkudlarek Deep Sky Chile - ROTUZ | PlaneWave CDK 20 QHY268M pro / R / 60.0 | 15.96 ± 2.02 | |
| TOI-270d (ALERT) 2023-11-30 | Jean-Pascal Vignes Deep Sky Chile | Planewave CDK400 QHYCCD 600M / Lum / 60.0 | 14.95 ± 2.74 | |
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
| TOI-270d (ALERT) 2020-12-14 | TESS | 0.64 ± 2.02 | ||
| TOI-270d (ALERT) 2020-11-21 | TESS | -0.03 ± 1.73 | ||
| TOI-270d (ALERT) 2020-10-18 | TESS | 0.55 ± 1.73 | ||
| TOI-270d (ALERT) 2020-09-25 | TESS | -0.68 ± 1.24 | ||
| TOI-270d (ALERT) 2018-12-05 | TESS | 2.4 ± 4.18 | ||
| TOI-270d (ALERT) 2018-11-24 | TESS | 3.36 ± 1.73 | ||
| TOI-270d (ALERT) 2018-11-12 | TESS | 0.14 ± 1.41 | ||
| TOI-270d (ALERT) 2018-10-20 | TESS | -13.48 ± 7.2 | ||
| TOI-270d (ALERT) 2018-10-09 | TESS | -1.58 ± 1.58 | ||
| TOI-270d (ALERT) 2018-09-28 | TESS | -0.76 ± 1.73 | ||