| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
G 268-38 DR2 2371032916186181760 J00445930-1516166 |
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| RA | 00:44:59.3314 | DEC | -15:16:17.543 | ||
| Parallax 66.7 mas |
P.M. RA 317.585 mas/y |
P.M. DEC -596.617 mas/y |
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| MagV 14.15 |
MagR 13.801 |
MagI 11.19 |
MagJ 9.612 |
MagH 9.092 |
MagK 8.821 |
| MagG 12.671 |
MagGBP 14.435 |
MagGRP 11.399 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2458226.84397 ± 2.6e-05 BJDTDB |
|||||
| Period 3.7779357 ± 3.2e-06 days |
|||||
| Transit Parameters | |||||
| Ment et al. 2019 | |||||
| Rp/Rs 0.05486 ± 0.00013 |
a/Rs 26.57 +0.05 -0.05 |
i 89.92 +0.06 -0.09 deg |
|||
| e - |
ω - deg |
||||
| DepthR* 4.1 mmag |
Duration* 1.15 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
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| Limb Darkening Parameters | |||||
| Ment et al. 2019 | |||||
| Teff 3216.0 +39.0 -39.0 K |
Log(g) 5.05 +0.03 -0.03 cm/s2 |
Fe/H -0.24 +0.1 -0.1 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | HIGH | ||||
| Minimum aperture | 42.21" | ||||
| Total Observations (Recent) | 11 (0) | ||||
| O-C | -3.78 ± 3.89 minutes | ||||
| ExoClock Observations (Recent) | 1 (0) | ||||
| Space Observations (Recent) | 9 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 1 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.0493 ± 0.0023 | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| LHS1140c (HIGH) 2024-08-27 | Yen-Hsing Lin Lulin Observatory | Lulin LOT Andor 936 / R / 30.0 | -3.78 ± 3.89 | |
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
| LHS1140c (HIGH) 2020-10-18 | TESS | -0.16 ± 2.88 | ||
| LHS1140c (HIGH) 2020-10-14 | TESS | 4.36 ± 7.92 | ||
| LHS1140c (HIGH) 2020-10-11 | TESS | -1.21 ± 1.58 | ||
| LHS1140c (HIGH) 2020-10-03 | TESS | -3.84 ± 6.05 | ||
| LHS1140c (HIGH) 2020-09-29 | TESS | 2.84 ± 2.16 | ||
| LHS1140c (HIGH) 2018-10-12 | TESS | -3.81 ± 3.02 | ||
| LHS1140c (HIGH) 2018-10-09 | TESS | 1.57 ± 2.16 | ||
| LHS1140c (HIGH) 2018-10-05 | TESS | 5.51 ± 6.05 | ||
| LHS1140c (HIGH) 2018-10-01 | TESS | -8.55 ± 10.66 | ||
Literature Mid-times |
||||
| Planet Observation Date |
Reference | O-C minutes |
||
| 2018-04-18 | Ment et al. 2019 | 0.0 ± 0.04 | ||