| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
Cl* Melotte 111 AV 1961 DR2 4009018273332089088 J12304475+2727076 |
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| RA | 12:30:44.7541 | DEC | +27:27:07.725 | ||
| Parallax 3.996 mas |
P.M. RA 50.543 mas/y |
P.M. DEC -33.934 mas/y |
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| MagV 10.9 |
MagR* 10.742 |
MagI* 10.179 |
MagJ 9.915 |
MagH 9.587 |
MagK 9.508 |
| MagG 10.965 |
MagGBP 11.315 |
MagGRP 10.479 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Not verified 
|
|||||
|---|---|---|---|---|---|
| Knudstrup et al. 2022 | |||||
| Mid-time 2458903.0638 ± 0.0006 BJDTDB |
|||||
| Period 4.860674 ± 5e-06 days |
|||||
| Transit Parameters | |||||
| Knudstrup et al. 2022 | |||||
| Rp/Rs 0.0777 ± 0.0009 |
a/Rs 8.7 +0.3 -0.3 |
i 84.4 +0.3 -0.3 deg |
|||
| e 0.043 +0.008 -0.008 |
ω 9.0 +4.0 -9.0 deg |
||||
| DepthR* 5.99 mmag |
Duration* 2.87 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
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| Limb Darkening Parameters | |||||
| Knudstrup et al. 2022 | |||||
| Teff 5734.0 +50.0 -50.0 K |
Log(g) 4.24 +0.05 -0.05 cm/s2 |
Fe/H 0.14 +0.15 -0.15 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | LOW | ||||
| Minimum aperture | 8.77" | ||||
| Total Observations (Recent) | 3 (3) | ||||
| O-C | 0.23 ± 1.33 minutes | ||||
| ExoClock Observations (Recent) | 3 (3) | ||||
| Space Observations (Recent) | 0 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 0 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | - | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| TOI-1820b (LOW) 2024-04-19 | Jordi González-Edo Landete-Kea | C11 ASI 2600MM pro / Lum / 90.0 | -1.85 ± 3.02 | |
| TOI-1820b (LOW) 2024-03-30 | Changhyun Ryu Korea National University of Education MAO | Planwave CDK500 Moravian C3-61000 / rpr / 90.0 | 0.88 ± 1.73 | |
| TOI-1820b (LOW) 2024-03-16 | Deborah Smith LOS COLORAOS | Celestron C9.25 ZWO ASI 174 MM COOL / Clear / 49.0 | 0.33 ± 2.88 | |