| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
HATS-25 DR2 6287125101007614080 J13513786-2346522 |
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| RA | 13:51:37.8639 | DEC | -23:46:52.255 | ||
| Parallax 2.095 mas |
P.M. RA -19.483 mas/y |
P.M. DEC -13.537 mas/y |
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| MagV 13.1 |
MagR 13.07 |
MagI* 12.335 |
MagJ 11.788 |
MagH 11.487 |
MagK 11.416 |
| MagG 12.935 |
MagGBP 13.304 |
MagGRP 12.418 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2458869.24022 ± 0.00024 BJDTDB |
|||||
| Period 4.29864642 ± 8.9e-07 days |
|||||
| Transit Parameters | |||||
| Espinoza et al. 2016 | |||||
| Rp/Rs 0.117 ± 0.003 |
a/Rs 10.0 +0.6 -0.6 |
i 86.9 +0.7 -0.7 deg |
|||
| e - |
ω - deg |
||||
| DepthR* 16.85 mmag |
Duration* 3.22 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
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| Limb Darkening Parameters | |||||
| Espinoza et al. 2016 | |||||
| Teff 5715.0 +73.0 -73.0 K |
Log(g) 4.35 +0.05 -0.05 cm/s2 |
Fe/H 0.02 +0.05 -0.05 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | MEDIUM | ||||
| Minimum aperture | 8.1" | ||||
| Total Observations (Recent) | 22 (1) | ||||
| O-C | -0.81 ± 0.9 minutes | ||||
| ExoClock Observations (Recent) | 7 (1) | ||||
| Space Observations (Recent) | 14 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 1 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.11776 ± 0.00087 | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| HATS-25b (MEDIUM) 2025-06-20 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 180.0 | -0.39 ± 0.94 | |
| HATS-25b (MEDIUM) 2024-04-29 | Rodolfo Artola EABA - Córdoba - Argentina | Newtonian 1.54 m Alta U9 / Clear / 180.0 | -0.97 ± 4.18 | |
| HATS-25b (MEDIUM) 2024-04-16 | Anaël Wünsche El Sauce Observatory | CDK Planewave Chili Moravian G4 16k / Lum / 120.0 | -8.97 ± 4.18 | |
| HATS-25b (MEDIUM) 2022-02-15 | Jean-Pascal Vignes Deep Sky Chile | Planewave CDK400 QHYCCD 600M / R / 60.0 | 2.61 ± 2.45 | |
| HATS-25b (MEDIUM) 2021-05-03 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | -0.55 ± 1.58 | |
| HATS-25b (MEDIUM) 2021-04-16 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | 0.87 ± 0.86 | |
| HATS-25b (MEDIUM) 2018-04-20 | Anastasia Kokori El Sauce Observatory | Planewave CDK24 FLI ProLine PL9000 / rpr / 60.0 | 1.15 ± 1.87 | |
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
| HATS-25b (MEDIUM) 2023-04-29 | TESS | 1.98 ± 1.73 | ||
| HATS-25b (MEDIUM) 2023-04-25 | TESS | -1.41 ± 2.02 | ||
| HATS-25b (MEDIUM) 2023-04-21 | TESS | -2.64 ± 1.73 | ||
| HATS-25b (MEDIUM) 2023-04-16 | TESS | 0.99 ± 1.38 | ||
| HATS-25b (MEDIUM) 2023-04-12 | TESS | -1.93 ± 1.44 | ||
| HATS-25b (MEDIUM) 2023-04-08 | TESS | -0.71 ± 1.73 | ||
| HATS-25b (MEDIUM) 2021-04-24 | TESS | -0.85 ± 1.73 | ||
| HATS-25b (MEDIUM) 2021-04-20 | TESS | 3.25 ± 1.87 | ||
| HATS-25b (MEDIUM) 2021-04-11 | TESS | 0.51 ± 1.58 | ||
| HATS-25b (MEDIUM) 2021-04-07 | TESS | -0.58 ± 1.87 | ||
| HATS-25b (MEDIUM) 2019-05-16 | TESS | -2.06 ± 1.73 | ||
| HATS-25b (MEDIUM) 2019-05-12 | TESS | 0.75 ± 1.87 | ||
| HATS-25b (MEDIUM) 2019-05-03 | TESS | -0.13 ± 1.87 | ||
| HATS-25b (MEDIUM) 2019-04-29 | TESS | -1.5 ± 2.16 | ||
Literature Mid-times |
||||
| Planet Observation Date |
Reference | O-C minutes |
||
| 2014-07-31 | Espinoza et al. 2016 | -0.19 ± 0.73 | ||