| 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 2458734.79487 ± 0.00029 BJDTDB |
|||||
| Period 5.6605746 ± 4.6e-06 days |
|||||
| Transit Parameters | |||||
| Günther et al. 2019 | |||||
| Rp/Rs 0.05825 ± 0.00079 |
a/Rs 27.01 +0.6 -1.58 |
i 89.53 +0.3 -0.42 deg |
|||
| e - |
ω - deg |
||||
| DepthR* 4.52 mmag |
Duration* 1.66 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
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| 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 | 19.46" | ||||
| Total Observations (Recent) | 29 (9) | ||||
| O-C | -24.76 ± 0.63 minutes | ||||
| ExoClock Observations (Recent) | 9 (9) | ||||
| Space Observations (Recent) | 20 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 0 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.05848 ± 0.00057 | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| TOI-270c (ALERT) 2024-01-27 | Magdalena Szkudlarek Deep Sky Chile - ROTUZ | PlaneWave CDK 20 QHY268M pro / R / 70.0 | -21.57 ± 1.87 | |
| TOI-270c (ALERT) 2024-01-27 | Jean-Pascal Vignes Deep Sky Chile | Planewave CDK400 QHYCCD 600M / Lum / 60.0 | -23.3 ± 2.16 | |
| TOI-270c (ALERT) 2024-01-27 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | -28.92 ± 3.02 | |
| TOI-270c (ALERT) 2023-12-24 | Magdalena Szkudlarek Deep Sky Chile - ROTUZ | PlaneWave CDK 20 QHY268M pro / R / 75.0 | -24.27 ± 1.11 | |
| TOI-270c (ALERT) 2023-12-24 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | -24.96 ± 1.35 | |
| TOI-270c (ALERT) 2023-12-07 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | -25.07 ± 3.74 | |
| TOI-270c (ALERT) 2023-12-07 | Jean-Pascal Vignes Deep Sky Chile | Planewave CDK400 QHYCCD 600M / Lum / 90.0 | -25.93 ± 1.87 | |
| TOI-270c (ALERT) 2023-12-07 | MARIA STRATIGOU-PSARRA Deep Sky Chile - ROTUZ | PlaneWave CDK 20 QHY268M pro / R / 75.0 | -30.4 ± 4.46 | |
| TOI-270c (ALERT) 2023-09-30 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | -27.24 ± 2.45 | |
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
| TOI-270c (ALERT) 2020-12-15 | TESS | 0.45 ± 1.73 | ||
| TOI-270c (ALERT) 2020-12-09 | TESS | -0.91 ± 1.11 | ||
| TOI-270c (ALERT) 2020-12-04 | TESS | 0.13 ± 1.37 | ||
| TOI-270c (ALERT) 2020-11-28 | TESS | -0.94 ± 1.11 | ||
| TOI-270c (ALERT) 2020-11-22 | TESS | -0.49 ± 1.14 | ||
| TOI-270c (ALERT) 2020-10-14 | TESS | 1.85 ± 0.92 | ||
| TOI-270c (ALERT) 2020-10-08 | TESS | -0.85 ± 1.02 | ||
| TOI-270c (ALERT) 2020-10-02 | TESS | -0.03 ± 1.44 | ||
| TOI-270c (ALERT) 2020-09-27 | TESS | 0.59 ± 0.98 | ||
| TOI-270c (ALERT) 2018-12-10 | TESS | -4.02 ± 1.44 | ||
| TOI-270c (ALERT) 2018-12-04 | TESS | -1.25 ± 0.98 | ||
| TOI-270c (ALERT) 2018-11-29 | TESS | -2.29 ± 0.89 | ||
| TOI-270c (ALERT) 2018-11-23 | TESS | -1.58 ± 1.22 | ||
| TOI-270c (ALERT) 2018-11-17 | TESS | -1.23 ± 0.79 | ||
| TOI-270c (ALERT) 2018-11-12 | TESS | -1.61 ± 1.73 | ||
| TOI-270c (ALERT) 2018-11-06 | TESS | 1.8 ± 1.12 | ||
| TOI-270c (ALERT) 2018-10-26 | TESS | -0.75 ± 1.11 | ||
| TOI-270c (ALERT) 2018-10-20 | TESS | 1.56 ± 1.58 | ||
| TOI-270c (ALERT) 2018-10-09 | TESS | 2.94 ± 0.78 | ||
| TOI-270c (ALERT) 2018-09-27 | TESS | 3.93 ± 1.25 | ||