| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
TOI-4270 DR2 5397086969654628864 J11141533-3754365 |
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| RA | 11:14:15.3343 | DEC | -37:54:36.486 | ||
| Parallax 1.435 mas |
P.M. RA -0.632 mas/y |
P.M. DEC 0.544 mas/y |
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| MagV* 13.225 |
MagR* 12.817 |
MagI* 12.426 |
MagJ 11.879 |
MagH 11.577 |
MagK 11.51 |
| MagG 13.053 |
MagGBP 13.438 |
MagGRP 12.513 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2458790.73108 ± 0.00092 BJDTDB |
|||||
| Period 3.4678761 ± 3.3e-06 days |
|||||
| Transit Parameters | |||||
| Jackson et al. 2023 | |||||
| Rp/Rs 0.0768 ± 0.0028 |
a/Rs 6.37 +0.29 -0.31 |
i 82.61 +0.52 -0.61 deg |
|||
| e - |
ω - deg |
||||
| DepthR* 6.03 mmag |
Duration* 2.94 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
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| Limb Darkening Parameters | |||||
| Jackson et al. 2023 | |||||
| Teff 5820.0 +93.0 -8.0 K |
Log(g) 4.09 +0.05 -0.04 cm/s2 |
Fe/H 0.27 +0.18 -0.03 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | MEDIUM | ||||
| Minimum aperture | 15.83" | ||||
| Total Observations (Recent) | 12 (1) | ||||
| O-C | -1.65 ± 2.1 minutes | ||||
| ExoClock Observations (Recent) | 5 (1) | ||||
| Space Observations (Recent) | 6 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 1 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.0724 ± 0.0029 | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| NGTS-24b (MEDIUM) 2025-03-12 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 180.0 | -3.89 ± 3.17 | |
| NGTS-24b (MEDIUM) 2024-04-27 | Joanna Morgan Cerro Tololo Observatory | LCO Meade SBIG STX6303 / rpr / 109.998 | -1.01 ± 5.9 | |
| NGTS-24b (MEDIUM) 2024-04-20 | Anaël Wünsche El Sauce Observatory | CDK Planewave Chili Moravian G4 16k / Lum / 120.0 | -11.16 ± 5.47 | |
| NGTS-24b (MEDIUM) 2024-02-07 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 180.0 | 6.27 ± 3.89 | |
| NGTS-24b (MEDIUM) 2023-12-17 | MARIA STRATIGOU-PSARRA Deep Sky Chile - ROTUZ | PlaneWave CDK 20 QHY268M pro / R / 140.0 | -5.63 ± 6.34 | |
Space Observations |
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| Planet Observation Date |
Mission | O-C minutes |
||
| NGTS-24b (MEDIUM) 2023-04-04 | TESS | 5.51 ± 5.33 | ||
| NGTS-24b (MEDIUM) 2023-04-01 | TESS | 2.45 ± 5.62 | ||
| NGTS-24b (MEDIUM) 2023-03-28 | TESS | -10.69 ± 6.05 | ||
| NGTS-24b (MEDIUM) 2023-03-25 | TESS | 1.8 ± 5.9 | ||
| NGTS-24b (MEDIUM) 2023-03-21 | TESS | 1.91 ± 4.75 | ||
| NGTS-24b (MEDIUM) 2023-03-18 | TESS | 3.75 ± 6.48 | ||
Literature Mid-times |
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| Planet Observation Date |
Reference | O-C minutes |
||
| 2017-12-13 | Jackson et al. 2023 | -0.05 ± 1.58 | ||