| 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 |
|||
| 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. 2025 | |||||
| Mid-time 2457899.06955 ± 0.00057 BJDTDB |
|||||
| Period 3.6481195 ± 7.3e-06 days |
|||||
| Transit Parameters | |||||
| Rice et al. 2019 | |||||
| Rp/Rs 0.01887 ± 0.00034 |
a/Rs 14.04 +0.17 -0.17 |
i 88.19 +0.21 -0.18 deg |
|||
| e - |
ω - deg |
||||
| DepthR* 0.46 mmag |
Duration* 1.82 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 | HIGH | ||||
| Minimum aperture | 109.72" | ||||
| Total Observations (Recent) | 13 (0) | ||||
| O-C | - | ||||
| ExoClock Observations (Recent) | 0 (0) | ||||
| Space Observations (Recent) | 13 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 0 (0) | ||||
| Kepler Rp/Rs | 0.02038 ± 0.00024 | ||||
| TESS Rp/Rs | 0.0292 ± 0.0031 | ||||
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
|---|---|---|---|---|
| GJ9827c (HIGH) 2021-08-26 | TESS | -12.9 ± 7.34 | ||
| GJ9827c (HIGH) 2018-09-11 | K2 | -6.75 ± 5.18 | ||
| GJ9827c (HIGH) 2018-09-08 | K2 | 1.32 ± 1.37 | ||
| GJ9827c (HIGH) 2017-03-02 | K2 | 6.19 ± 2.16 | ||
| GJ9827c (HIGH) 2017-02-27 | K2 | -0.55 ± 2.02 | ||
| GJ9827c (HIGH) 2017-02-23 | K2 | 8.26 ± 4.03 | ||
| GJ9827c (HIGH) 2017-02-19 | K2 | 1.52 ± 3.31 | ||
| GJ9827c (HIGH) 2017-02-16 | K2 | -4.64 ± 4.18 | ||
| GJ9827c (HIGH) 2017-01-10 | K2 | 0.25 ± 2.16 | ||
| GJ9827c (HIGH) 2017-01-03 | K2 | -1.28 ± 1.73 | ||
| GJ9827c (HIGH) 2016-12-30 | K2 | -0.96 ± 2.74 | ||
| GJ9827c (HIGH) 2016-12-26 | K2 | -0.72 ± 1.08 | ||
| GJ9827c (HIGH) 2016-12-19 | K2 | -7.36 ± 3.46 | ||