| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
HATS-27 DR2 6134228079203074176 J12541261-4635157 |
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| RA | 12:54:12.6109 | DEC | -46:35:15.785 | ||
| Parallax 1.198 mas |
P.M. RA -13.593 mas/y |
P.M. DEC 0.545 mas/y |
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| MagV 12.77 |
MagR 12.75 |
MagI* 12.2 |
MagJ 11.831 |
MagH 11.651 |
MagK 11.55 |
| MagG 12.679 |
MagGBP 12.935 |
MagGRP 12.275 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2459018.63212 ± 0.00047 BJDTDB |
|||||
| Period 4.6370484 ± 2e-06 days |
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| Transit Parameters | |||||
| Espinoza et al. 2016 | |||||
| Rp/Rs 0.089 ± 0.004 |
a/Rs 7.5 +0.4 -0.6 |
i 87.3 +1.3 -1.3 deg |
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| e - |
ω - deg |
||||
| DepthR* 10.11 mmag |
Duration* 4.89 hours |
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|
*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 6438.0 +64.0 -64.0 K |
Log(g) 4.11 +0.05 -0.05 cm/s2 |
Fe/H 0.09 +0.04 -0.04 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | MEDIUM | ||||
| Minimum aperture | 8.47" | ||||
| Total Observations (Recent) | 26 (1) | ||||
| O-C | -1.93 ± 1.28 minutes | ||||
| ExoClock Observations (Recent) | 8 (1) | ||||
| Space Observations (Recent) | 17 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 1 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.08739 ± 0.00085 | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| HATS-27b (MEDIUM) 2025-02-23 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 180.0 | -1.99 ± 2.74 | |
| HATS-27b (MEDIUM) 2024-04-09 | Anaël Wünsche El Sauce Observatory | CDK Planewave Chili Moravian G4 16k / Lum / 120.0 | 0.09 ± 3.17 | |
| HATS-27b (MEDIUM) 2024-04-09 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 180.0 | -1.21 ± 2.3 | |
| HATS-27b (MEDIUM) 2024-03-03 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 180.0 | -3.68 ± 2.3 | |
| HATS-27b (MEDIUM) 2023-02-12 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 180.0 | 1.1 ± 3.02 | |
| HATS-27b (MEDIUM) 2022-04-26 | Jean-Pascal Vignes Deep Sky Chile | Planewave CDK400 QHYCCD 600M / R / 120.0 | 5.64 ± 5.9 | |
| HATS-27b (MEDIUM) 2022-04-12 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 180.0 | 1.24 ± 1.87 | |
| HATS-27b (MEDIUM) 2022-04-12 | Jean-Pascal Vignes Deep Sky Chile | Planewave CDK400 QHYCCD 600M / R / 60.0 | -4.38 ± 3.46 | |
Space Observations |
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| Planet Observation Date |
Mission | O-C minutes |
||
| HATS-27b (MEDIUM) 2023-05-02 | TESS | -0.08 ± 2.74 | ||
| HATS-27b (MEDIUM) 2023-04-27 | TESS | 6.03 ± 3.31 | ||
| HATS-27b (MEDIUM) 2023-04-22 | TESS | -4.7 ± 3.02 | ||
| HATS-27b (MEDIUM) 2023-04-18 | TESS | -6.5 ± 3.31 | ||
| HATS-27b (MEDIUM) 2023-04-08 | TESS | -0.46 ± 3.17 | ||
| HATS-27b (MEDIUM) 2021-04-24 | TESS | 8.41 ± 3.31 | ||
| HATS-27b (MEDIUM) 2021-04-20 | TESS | 0.41 ± 2.74 | ||
| HATS-27b (MEDIUM) 2021-04-10 | TESS | -1.9 ± 4.03 | ||
| HATS-27b (MEDIUM) 2021-04-06 | TESS | -1.54 ± 4.03 | ||
| HATS-27b (MEDIUM) 2019-05-16 | TESS | -1.67 ± 4.03 | ||
| HATS-27b (MEDIUM) 2019-05-11 | TESS | -1.45 ± 3.89 | ||
| HATS-27b (MEDIUM) 2019-05-02 | TESS | 0.27 ± 3.74 | ||
| HATS-27b (MEDIUM) 2019-04-27 | TESS | -3.26 ± 3.74 | ||
| HATS-27b (MEDIUM) 2019-04-18 | TESS | 1.34 ± 3.02 | ||
| HATS-27b (MEDIUM) 2019-04-13 | TESS | -2.33 ± 3.74 | ||
| HATS-27b (MEDIUM) 2019-04-04 | TESS | -0.61 ± 5.76 | ||
| HATS-27b (MEDIUM) 2019-03-30 | TESS | 2.63 ± 3.74 | ||
Literature Mid-times |
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| Planet Observation Date |
Reference | O-C minutes |
||
| 2015-01-06 | Espinoza et al. 2016 | -0.23 ± 1.58 | ||