| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
HD 191939 DR2 2248126315275354496 J20080574+6651019 |
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| RA | 20:08:05.7549 | DEC | +66:51:02.075 | ||
| Parallax 18.625 mas |
P.M. RA 150.256 mas/y |
P.M. DEC -63.909 mas/y |
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| MagV 8.97 |
MagR 8.5 |
MagI* 8.171 |
MagJ 7.597 |
MagH 7.215 |
MagK 7.18 |
| MagG 8.775 |
MagGBP 9.173 |
MagGRP 8.248 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2459292.57666 ± 0.00017 BJDTDB |
|||||
| Period 8.8803199 ± 3e-06 days |
|||||
| Transit Parameters | |||||
| Badenas-Agusti et al. 2020 | |||||
| Rp/Rs 0.03343 ± 0.00043 |
a/Rs 18.67 +0.91 -0.91 |
i 88.18 +0.21 -0.21 deg |
|||
| e - |
ω - deg |
||||
| DepthR* 1.35 mmag |
Duration* 3.08 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
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| Limb Darkening Parameters | |||||
| Badenas-Agusti et al. 2020 | |||||
| Teff 5427.0 +50.0 -50.0 K |
Log(g) 4.4 +0.1 -0.1 cm/s2 |
Fe/H -0.16 +0.08 -0.08 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | HIGH - TTVs | ||||
| Minimum aperture | 25.56" | ||||
| Total Observations (Recent) | 49 (0) | ||||
| O-C | - | ||||
| ExoClock Observations (Recent) | 1 (0) | ||||
| Space Observations (Recent) | 48 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 0 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.03373 ± 0.00017 | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| HD191939b (HIGH - TTVs) 2022-06-14 | Synchronous Working-Group Multiple | Multiple Multiple / R / 30.0 | 4.07 ± 3.02 | |
Space Observations |
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| Planet Observation Date |
Mission | O-C minutes |
||
| HD191939b (HIGH - TTVs) 2023-12-17 | TESS | -2.14 ± 1.34 | ||
| HD191939b (HIGH - TTVs) 2023-01-14 | TESS | 1.15 ± 1.43 | ||
| HD191939b (HIGH - TTVs) 2022-12-27 | TESS | 3.73 ± 1.87 | ||
| HD191939b (HIGH - TTVs) 2022-12-18 | TESS | -3.88 ± 1.58 | ||
| HD191939b (HIGH - TTVs) 2022-12-09 | TESS | -0.97 ± 2.16 | ||
| HD191939b (HIGH - TTVs) 2022-11-30 | TESS | -1.66 ± 1.87 | ||
| HD191939b (HIGH - TTVs) 2022-09-29 | TESS | 0.41 ± 1.41 | ||
| HD191939b (HIGH - TTVs) 2022-09-20 | TESS | 0.31 ± 1.37 | ||
| HD191939b (HIGH - TTVs) 2022-09-11 | TESS | 2.93 ± 1.34 | ||
| HD191939b (HIGH - TTVs) 2022-09-02 | TESS | 0.64 ± 1.73 | ||
| HD191939b (HIGH - TTVs) 2022-08-25 | TESS | -1.49 ± 1.58 | ||
| HD191939b (HIGH - TTVs) 2022-08-16 | TESS | -1.17 ± 2.45 | ||
| HD191939b (HIGH - TTVs) 2022-08-07 | TESS | -1.58 ± 2.45 | ||
| HD191939b (HIGH - TTVs) 2022-06-06 | TESS | -0.37 ± 1.44 | ||
| HD191939b (HIGH - TTVs) 2022-05-28 | TESS | -0.91 ± 1.87 | ||
| HD191939b (HIGH - TTVs) 2022-05-19 | TESS | 0.84 ± 1.58 | ||
| HD191939b (HIGH - TTVs) 2022-05-10 | TESS | -1.72 ± 2.3 | ||
| HD191939b (HIGH - TTVs) 2022-05-01 | TESS | 1.76 ± 1.58 | ||
| HD191939b (HIGH - TTVs) 2022-03-18 | TESS | 0.32 ± 1.44 | ||
| HD191939b (HIGH - TTVs) 2022-03-09 | TESS | 0.78 ± 1.73 | ||
| HD191939b (HIGH - TTVs) 2022-02-19 | TESS | -1.26 ± 1.41 | ||
| HD191939b (HIGH - TTVs) 2022-02-10 | TESS | 3.17 ± 1.58 | ||
| HD191939b (HIGH - TTVs) 2021-08-17 | TESS | 0.29 ± 1.44 | ||
| HD191939b (HIGH - TTVs) 2021-08-08 | TESS | 2.19 ± 1.87 | ||
| HD191939b (HIGH - TTVs) 2021-07-30 | TESS | 3.52 ± 6.62 | ||
| HD191939b (HIGH - TTVs) 2020-06-07 | TESS | -1.47 ± 1.38 | ||
| HD191939b (HIGH - TTVs) 2020-05-30 | TESS | -1.44 ± 1.87 | ||
| HD191939b (HIGH - TTVs) 2020-05-21 | TESS | -1.13 ± 1.3 | ||
| HD191939b (HIGH - TTVs) 2020-05-12 | TESS | -1.33 ± 1.3 | ||
| HD191939b (HIGH - TTVs) 2020-05-03 | TESS | -1.82 ± 1.31 | ||
| HD191939b (HIGH - TTVs) 2020-04-24 | TESS | -2.91 ± 2.45 | ||
| HD191939b (HIGH - TTVs) 2020-03-11 | TESS | -2.34 ± 1.44 | ||
| HD191939b (HIGH - TTVs) 2020-03-02 | TESS | -0.86 ± 1.24 | ||
| HD191939b (HIGH - TTVs) 2020-02-22 | TESS | 0.7 ± 1.25 | ||
| HD191939b (HIGH - TTVs) 2020-02-13 | TESS | 0.44 ± 1.12 | ||
| HD191939b (HIGH - TTVs) 2020-01-26 | TESS | -0.05 ± 1.11 | ||
| HD191939b (HIGH - TTVs) 2019-12-22 | TESS | 0.6 ± 1.3 | ||
| HD191939b (HIGH - TTVs) 2019-12-13 | TESS | 2.41 ± 1.44 | ||
| HD191939b (HIGH - TTVs) 2019-12-04 | TESS | -2.6 ± 1.58 | ||
| HD191939b (HIGH - TTVs) 2019-11-25 | TESS | 0.17 ± 1.58 | ||
| HD191939b (HIGH - TTVs) 2019-11-16 | TESS | 1.2 ± 1.87 | ||
| HD191939b (HIGH - TTVs) 2019-11-07 | TESS | 5.84 ± 2.02 | ||
| HD191939b (HIGH - TTVs) 2019-10-29 | TESS | 0.39 ± 1.58 | ||
| HD191939b (HIGH - TTVs) 2019-10-12 | TESS | -0.12 ± 2.02 | ||
| HD191939b (HIGH - TTVs) 2019-10-03 | TESS | 2.22 ± 1.37 | ||
| HD191939b (HIGH - TTVs) 2019-09-15 | TESS | -0.04 ± 1.44 | ||
| HD191939b (HIGH - TTVs) 2019-09-06 | TESS | -1.02 ± 1.73 | ||
| HD191939b (HIGH - TTVs) 2019-08-19 | TESS | -0.67 ± 1.58 | ||