| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
G 245-61 DR2 549007291282705024 J02571820+7633113 |
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| RA | 02:57:18.2591 | DEC | +76:33:11.250 | ||
| Parallax 54.833 mas |
P.M. RA 691.036 mas/y |
P.M. DEC -399.685 mas/y |
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| MagV 13.304 |
MagR 12.5 |
MagI 14.855 |
MagJ 9.615 |
MagH 9.028 |
MagK 8.767 |
| MagG 12.26 |
MagGBP 13.649 |
MagGRP 11.116 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2459597.76239 ± 0.00035 BJDTDB |
|||||
| Period 1.9495387 ± 1.3e-06 days |
|||||
| Transit Parameters | |||||
| Soto et al. 2021 | |||||
| Rp/Rs 0.0462 ± 0.0011 |
a/Rs 16.119 +0.088 -0.094 |
i 87.452 +0.052 -0.048 deg |
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| e - |
ω - deg |
||||
| DepthR* 2.42 mmag |
Duration* 0.71 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
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| Limb Darkening Parameters | |||||
| Soto et al. 2021 | |||||
| Teff 3381.0 +54.0 -54.0 K |
Log(g) 4.87 +0.06 -0.06 cm/s2 |
Fe/H -0.13 +0.19 -0.19 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | HIGH | ||||
| Minimum aperture | 53.42" | ||||
| Total Observations (Recent) | 25 (1) | ||||
| O-C | -3.3 ± 2.74 minutes | ||||
| ExoClock Observations (Recent) | 5 (1) | ||||
| Space Observations (Recent) | 20 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 0 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.057 ± 0.0015 | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| LHS1478b (HIGH) 2025-08-30 | Javier Flores MartÃn Calar Alto Hispano en Andalucia | Multi Array of Combinate Telescope (MARCOT) ZWO1600MM / R / 60.0 | -3.3 ± 2.74 | |
| LHS1478b (HIGH) 2023-11-19 | Florence Libotte Calar Alto | CaHa 1.23m CCD DLR-MKIII / R / 120.0 | -0.78 ± 0.95 | |
| LHS1478b (HIGH) 2023-11-08 | Mercedes Correa Calar Alto | Caha 1.23m DLR-MKIII CCD / R / 120.0 | 0.76 ± 1.08 | |
| LHS1478b (HIGH) 2023-09-04 | Manfred Raetz privat observatory Herges-Hallenberg | SCT 280/1850 (C11 with Starizona reducer) Moravian Instruments G2-1600 / AstrodonExoPlanet-BB / 120.0 | -5.89 ± 3.74 | |
| LHS1478b (HIGH) 2022-10-20 | Lorenzo Betti Osservatorio Polifunzionale del Chianti | RC-80cm Moravian G4 - KAF 09000 / R / 90.0 | -5.25 ± 2.88 | |
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
| LHS1478b (HIGH) 2024-01-01 | TESS | -2.67 ± 1.73 | ||
| LHS1478b (HIGH) 2023-12-30 | TESS | -0.53 ± 1.4 | ||
| LHS1478b (HIGH) 2022-12-19 | TESS | 0.77 ± 1.41 | ||
| LHS1478b (HIGH) 2022-12-15 | TESS | 1.05 ± 2.3 | ||
| LHS1478b (HIGH) 2022-06-11 | TESS | 0.22 ± 0.92 | ||
| LHS1478b (HIGH) 2022-06-07 | TESS | 11.12 ± 2.3 | ||
| LHS1478b (HIGH) 2022-06-05 | TESS | -2.36 ± 1.87 | ||
| LHS1478b (HIGH) 2022-06-03 | TESS | -1.15 ± 2.59 | ||
| LHS1478b (HIGH) 2022-05-28 | TESS | -1.99 ± 2.45 | ||
| LHS1478b (HIGH) 2022-05-26 | TESS | 0.94 ± 1.73 | ||
| LHS1478b (HIGH) 2022-05-23 | TESS | 1.93 ± 1.02 | ||
| LHS1478b (HIGH) 2020-07-03 | TESS | -8.22 ± 1.87 | ||
| LHS1478b (HIGH) 2020-07-01 | TESS | -0.53 ± 1.73 | ||
| LHS1478b (HIGH) 2020-05-29 | TESS | -2.03 ± 1.21 | ||
| LHS1478b (HIGH) 2020-05-23 | TESS | -2.15 ± 1.58 | ||
| LHS1478b (HIGH) 2020-05-20 | TESS | 1.42 ± 1.87 | ||
| LHS1478b (HIGH) 2019-12-16 | TESS | -1.47 ± 2.74 | ||
| LHS1478b (HIGH) 2019-12-04 | TESS | 0.0 ± 0.96 | ||
| LHS1478b (HIGH) 2019-11-10 | TESS | 3.85 ± 1.44 | ||
| LHS1478b (HIGH) 2019-11-05 | TESS | 2.87 ± 2.16 | ||