| 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
- Not verified 
|
|||||
|---|---|---|---|---|---|
| Rodriguez et al. 2018 | |||||
| Mid-time 2457740.9611 ± 0.0004 BJDTDB |
|||||
| Period 6.20147 ± 6e-05 days |
|||||
| Transit Parameters | |||||
| Rice et al. 2019 | |||||
| Rp/Rs 0.0307 ± 0.0006 |
a/Rs 20.0 +0.23 -0.25 |
i 87.44 +0.04 -0.04 deg |
|||
| e - |
ω - deg |
||||
| DepthR* 0.84 mmag |
Duration* 1.22 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 |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | HIGH | ||||
| Minimum aperture | 67.39" | ||||
| Total Observations (Recent) | 12 (0) | ||||
| O-C | - | ||||
| ExoClock Observations (Recent) | 3 (0) | ||||
| Space Observations (Recent) | 9 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 0 (0) | ||||
| Kepler Rp/Rs | 0.03159 ± 0.0004 | ||||
| TESS Rp/Rs | - | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| GJ9827d (HIGH) 2020-12-14 | MUSCAT Team Teide Observatory | Telescope Carlos Sanchez MuSCAT2 - PIXIS: 1024B - CH2 r / rpr / 5.0 | 126.94 ± 2.16 | |
| GJ9827d (HIGH) 2020-12-14 | MUSCAT Team Teide Observatory | Telescope Carlos Sanchez MuSCAT2 - PIXIS: 1024B eXcelon - CH3 i / ipr / 10.0 | 118.15 ± 2.59 | |
| GJ9827d (HIGH) 2020-12-14 | MUSCAT Team Teide Observatory | Telescope Carlos Sanchez MuSCAT2 - PIXIS: 1024B eXcelon - CH1 g / gpr / 10.0 | 115.13 ± 2.3 | |
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
| GJ9827d (HIGH) 2017-03-02 | K2 | -0.49 ± 2.3 | ||
| GJ9827d (HIGH) 2017-02-24 | K2 | 3.07 ± 3.6 | ||
| GJ9827d (HIGH) 2017-02-18 | K2 | 2.16 ± 4.18 | ||
| GJ9827d (HIGH) 2017-01-30 | K2 | -1.71 ± 1.38 | ||
| GJ9827d (HIGH) 2017-01-24 | K2 | -1.18 ± 1.44 | ||
| GJ9827d (HIGH) 2017-01-18 | K2 | 1.66 ± 1.44 | ||
| GJ9827d (HIGH) 2017-01-06 | K2 | 0.46 ± 0.79 | ||
| GJ9827d (HIGH) 2016-12-30 | K2 | -16.47 ± 5.04 | ||
| GJ9827d (HIGH) 2016-12-24 | K2 | 2.09 ± 0.72 | ||