| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
BD+01 2494 DR2 3807826337147474176 J10520778+0029359 |
||||
| RA | 10:52:07.7793 | DEC | +00:29:36.085 | ||
| Parallax 4.66 mas |
P.M. RA -23.664 mas/y |
P.M. DEC -44.171 mas/y |
|||
| MagV 10.64 |
MagR 10.52 |
MagI 9.88 |
MagJ 9.337 |
MagH 8.92 |
MagK 8.89 |
| MagG 10.459 |
MagGBP 10.872 |
MagGRP 9.917 |
|||
| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2022 | |||||
| Mid-time 2458325.64553 ± 0.0004 BJDTDB |
|||||
| Period 11.6334758 ± 8e-06 days |
|||||
| Transit Parameters | |||||
| Johnson et al. 2018 | |||||
| Rp/Rs 0.0529 ± 0.001 |
a/Rs 13.3 +2.4 -2.6 |
i 88.4 +1.1 -1.9 deg |
|||
| e 0.39 +0.15 -0.15 |
ω 143.0 +18.0 -18.0 deg |
||||
| DepthR* 3.7 mmag |
Duration* 5.1 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
|||||
| Limb Darkening Parameters | |||||
| Johnson et al. 2018 | |||||
| Teff 5537.0 +71.0 -71.0 K |
Log(g) 4.21 +0.11 -0.11 cm/s2 |
Fe/H 0.36 +0.06 -0.06 dex |
|||
| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | MEDIUM | ||||
| Minimum aperture | 12.2" | ||||
| Total Observations (Recent) | 10 (0) | ||||
| O-C | 0.14 ± 0.91 minutes | ||||
| ExoClock Observations (Recent) | 0 (0) | ||||
| Space Observations (Recent) | 10 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 0 (0) | ||||
| Kepler Rp/Rs | 0.05295 ± 0.00024 | ||||
| TESS Rp/Rs | 0.05251 ± 0.00046 | ||||
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
|---|---|---|---|---|
| K2-261b (MEDIUM) 2021-12-21 | TESS | -0.49 ± 1.73 | ||
| K2-261b (MEDIUM) 2021-12-10 | TESS | 2.35 ± 1.73 | ||
| K2-261b (MEDIUM) 2021-11-28 | TESS | -2.0 ± 2.02 | ||
| K2-261b (MEDIUM) 2021-11-17 | TESS | 0.12 ± 1.87 | ||
| K2-261b (MEDIUM) 2021-02-10 | TESS | -0.86 ± 2.02 | ||
| K2-261b (MEDIUM) 2019-03-15 | TESS | 2.09 ± 1.58 | ||
| K2-261b (MEDIUM) 2019-03-04 | TESS | -1.83 ± 1.73 | ||
| K2-261b (MEDIUM) 2017-07-18 | K2 | -1.66 ± 0.63 | ||
| K2-261b (MEDIUM) 2017-06-25 | K2 | -2.52 ± 2.02 | ||
| K2-261b (MEDIUM) 2017-06-13 | K2 | 2.21 ± 0.71 | ||