| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
TRAPPIST-1 DR2 2635476908753563008 J23062928-0502285 |
||||
| RA | 23:06:29.3684 | DEC | -05:02:29.031 | ||
| Parallax 80.451 mas |
P.M. RA 930.879 mas/y |
P.M. DEC -479.403 mas/y |
|||
| MagV 18.798 |
MagR 16.466 |
MagI 14.024 |
MagJ 11.354 |
MagH 10.718 |
MagK 10.296 |
| MagG 15.645 |
MagGBP 18.998 |
MagGRP 14.097 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Not verified 
|
|||||
|---|---|---|---|---|---|
| Gillon et al. 2017 | |||||
| Mid-time 2457665.3494 ± 0.00021 BJDTDB |
|||||
| Period 12.35294 ± 0.00012 days |
|||||
| Transit Parameters | |||||
| Gillon et al. 2017 | |||||
| Rp/Rs 0.0884 ± 0.0015 |
a/Rs 83.2 +0.6 -1.2 |
i 89.71 +0.03 -0.03 deg |
|||
| e - |
ω - deg |
||||
| DepthR* 10.93 mmag |
Duration* 1.14 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
|||||
| Limb Darkening Parameters | |||||
| Gillon et al. 2016 | |||||
| Teff 2550.0 +55.0 -55.0 K |
Log(g) 5.18 +0.05 -0.05 cm/s2 |
Fe/H 0.04 +0.08 -0.08 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | HIGH | ||||
| Minimum aperture | 47.18" | ||||
| Total Observations (Recent) | 2 (0) | ||||
| O-C | - | ||||
| ExoClock Observations (Recent) | 0 (0) | ||||
| Space Observations (Recent) | 2 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 0 (0) | ||||
| Kepler Rp/Rs | 0.2021 ± 0.0096 | ||||
| TESS Rp/Rs | - | ||||
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
|---|---|---|---|---|
| TRAPPIST-1g (HIGH) 2017-02-16 | K2 | 28.17 ± 2.02 | ||
| TRAPPIST-1g (HIGH) 2017-01-10 | K2 | 27.76 ± 3.74 | ||