| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
BD-02 5958 DR2 2643842302456085888 J23270480-0117108 |
||||
| RA | 23:27:04.8376 | DEC | -01:17:10.585 | ||
| Parallax 33.685 mas |
P.M. RA 376.019 mas/y |
P.M. DEC 216.071 mas/y |
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| MagV 10.1 |
MagR 10.09 |
MagI 8.89 |
MagJ 7.984 |
MagH 7.379 |
MagK 7.193 |
| MagG 9.838 |
MagGBP 10.601 |
MagGRP 9.016 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2022 | |||||
| Mid-time 2457831.9172 ± 0.00026 BJDTDB |
|||||
| Period 1.2089749 ± 1e-06 days |
|||||
| Transit Parameters | |||||
| Rice et al. 2019 | |||||
| Rp/Rs 0.024 ± 0.0004 |
a/Rs 6.72 +0.08 -0.09 |
i 86.1 +0.4 -0.3 deg |
|||
| e - |
ω - deg |
||||
| DepthR* 0.74 mmag |
Duration* 1.27 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
|||||
| Limb Darkening Parameters | |||||
| Niraula et al. 2017 | |||||
| Teff 4255.0 +110.0 -110.0 K |
Log(g) 4.7 +0.15 -0.15 cm/s2 |
Fe/H -0.28 +0.12 -0.12 dex |
|||
| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | MEDIUM | ||||
| Minimum aperture | 75.55" | ||||
| Total Observations (Recent) | 41 (0) | ||||
| O-C | 0.06 ± 1.16 minutes | ||||
| ExoClock Observations (Recent) | 0 (0) | ||||
| Space Observations (Recent) | 40 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 1 (0) | ||||
| Kepler Rp/Rs | 0.02441 ± 0.00015 | ||||
| TESS Rp/Rs | 0.0276 ± 0.0013 | ||||
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
|---|---|---|---|---|
| GJ9827b (MEDIUM) 2021-09-11 | TESS | 2.57 ± 2.59 | ||
| GJ9827b (MEDIUM) 2021-09-10 | TESS | -2.94 ± 4.32 | ||
| GJ9827b (MEDIUM) 2021-09-08 | TESS | 2.35 ± 3.02 | ||
| GJ9827b (MEDIUM) 2021-09-04 | TESS | -1.39 ± 2.02 | ||
| GJ9827b (MEDIUM) 2021-08-26 | TESS | -2.22 ± 4.03 | ||
| GJ9827b (MEDIUM) 2021-08-25 | TESS | 0.34 ± 2.88 | ||
| GJ9827b (MEDIUM) 2018-09-14 | K2 | 0.71 ± 2.88 | ||
| GJ9827b (MEDIUM) 2018-09-10 | K2 | 1.18 ± 4.46 | ||
| GJ9827b (MEDIUM) 2018-09-09 | K2 | -0.15 ± 4.32 | ||
| GJ9827b (MEDIUM) 2017-03-03 | K2 | 3.71 ± 2.45 | ||
| GJ9827b (MEDIUM) 2017-03-02 | K2 | -2.1 ± 1.09 | ||
| GJ9827b (MEDIUM) 2017-03-01 | K2 | -0.69 ± 1.44 | ||
| GJ9827b (MEDIUM) 2017-02-25 | K2 | -2.09 ± 2.16 | ||
| GJ9827b (MEDIUM) 2017-02-20 | K2 | 0.36 ± 1.87 | ||
| GJ9827b (MEDIUM) 2017-02-19 | K2 | 1.18 ± 1.87 | ||
| GJ9827b (MEDIUM) 2017-02-17 | K2 | 2.26 ± 1.73 | ||
| GJ9827b (MEDIUM) 2017-02-15 | K2 | -3.39 ± 2.45 | ||
| GJ9827b (MEDIUM) 2017-02-14 | K2 | -0.4 ± 1.58 | ||
| GJ9827b (MEDIUM) 2017-02-13 | K2 | 0.72 ± 2.16 | ||
| GJ9827b (MEDIUM) 2017-01-31 | K2 | -2.42 ± 1.44 | ||
| GJ9827b (MEDIUM) 2017-01-30 | K2 | 0.43 ± 1.73 | ||
| GJ9827b (MEDIUM) 2017-01-28 | K2 | -6.38 ± 5.9 | ||
| GJ9827b (MEDIUM) 2017-01-27 | K2 | -1.23 ± 2.02 | ||
| GJ9827b (MEDIUM) 2017-01-26 | K2 | -5.73 ± 2.59 | ||
| GJ9827b (MEDIUM) 2017-01-16 | K2 | -0.69 ± 2.02 | ||
| GJ9827b (MEDIUM) 2017-01-15 | K2 | -1.81 ± 0.88 | ||
| GJ9827b (MEDIUM) 2017-01-14 | K2 | -1.83 ± 1.12 | ||
| GJ9827b (MEDIUM) 2017-01-13 | K2 | -3.25 ± 2.16 | ||
| GJ9827b (MEDIUM) 2017-01-11 | K2 | -6.02 ± 3.31 | ||
| GJ9827b (MEDIUM) 2017-01-10 | K2 | -1.59 ± 2.02 | ||
| GJ9827b (MEDIUM) 2017-01-07 | K2 | -1.35 ± 1.04 | ||
| GJ9827b (MEDIUM) 2017-01-03 | K2 | 7.26 ± 2.59 | ||
| GJ9827b (MEDIUM) 2017-01-01 | K2 | 4.74 ± 2.02 | ||
| GJ9827b (MEDIUM) 2016-12-30 | K2 | 26.88 ± 5.47 | ||
| GJ9827b (MEDIUM) 2016-12-28 | K2 | -4.37 ± 0.94 | ||
| GJ9827b (MEDIUM) 2016-12-27 | K2 | 2.37 ± 0.94 | ||
| GJ9827b (MEDIUM) 2016-12-25 | K2 | -0.33 ± 1.73 | ||
| GJ9827b (MEDIUM) 2016-12-24 | K2 | 0.88 ± 1.08 | ||
| GJ9827b (MEDIUM) 2016-12-23 | K2 | -1.62 ± 1.37 | ||
| GJ9827b (MEDIUM) 2016-12-22 | K2 | 1.92 ± 0.49 | ||
Literature Mid-times |
||||
| Planet Observation Date |
Reference | O-C minutes |
||
| 2016-12-16 | Niraula et al. 2017 | 0.83 ± 0.66 | ||