| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
HAT-P-52 DR2 128623485853170432 J02505320+2901206 |
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| RA | 02:50:53.2003 | DEC | +29:01:20.522 | ||
| Parallax 2.74 mas |
P.M. RA 14.865 mas/y |
P.M. DEC -27.458 mas/y |
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| MagV 14.068 |
MagR* 13.52 |
MagI 13.02 |
MagJ 12.195 |
MagH 11.745 |
MagK 11.621 |
| MagG 13.787 |
MagGBP 14.368 |
MagGRP 13.091 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2458770.91714 ± 0.00019 BJDTDB |
|||||
| Period 2.75359705 ± 3.6e-07 days |
|||||
| Transit Parameters | |||||
| Hartman et al. 2015 | |||||
| Rp/Rs 0.116 ± 0.003 |
a/Rs 8.9 +0.5 -0.5 |
i 87.0 +0.9 -0.9 deg |
|||
| e - |
ω - deg |
||||
| DepthR* 17.25 mmag |
Duration* 2.41 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
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| Limb Darkening Parameters | |||||
| Hartman et al. 2015 | |||||
| Teff 5131.0 +50.0 -50.0 K |
Log(g) 4.48 +0.05 -0.05 cm/s2 |
Fe/H 0.28 +0.08 -0.08 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | LOW | ||||
| Minimum aperture | 9.51" | ||||
| Total Observations (Recent) | 66 (6) | ||||
| O-C | -0.09 ± 0.57 minutes | ||||
| ExoClock Observations (Recent) | 32 (6) | ||||
| Space Observations (Recent) | 32 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 2 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.1134 ± 0.0012 | ||||
ExoClock Observations |
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| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| HAT-P-52b (LOW) 2025-12-24 | Michael Nezel Celle Observatory | CDK 14 QHY 268M / R / 180.0 | -1.46 ± 1.44 | |
| HAT-P-52b (LOW) 2025-12-13 | Tommaso Dittadi TD-TRO | Ritchey-Chretien Moravian G2-1600 / R / 240.0 | 1.26 ± 2.59 | |
| HAT-P-52b (LOW) 2025-12-13 | Ivo Silvestri Trevinca Skies | Skywatcher Newton 250pds ASI2600MM Duo / Lum / 240.0 | -0.76 ± 1.87 | |
| HAT-P-52b (LOW) 2025-09-27 | Hao-Yuan Duan Lulin Observatory, Taiwan | GSO RC12 ASI 294MM Pro / I / 60.0 | -4.19 ± 2.02 | |
| HAT-P-52b (LOW) 2025-09-25 | Lluís Romero Ventura Astro-Tolva | RC16" MORAVIAN C3-61000EC PRO / Clear / 180.0 | -1.41 ± 1.31 | |
| HAT-P-52b (LOW) 2025-09-11 | Icaro Meidem Pico dos Dias Observatory | Boller & Chivens Ikon 13740 / R / 60.0 | 4.14 ± 1.73 | |
| HAT-P-52b (LOW) 2024-12-01 | Lee YuHsien KMSH Observatory | C14HD QSI-660 / R / 70.0 | 2.4 ± 4.32 | |
| HAT-P-52b (LOW) 2024-11-28 | Anaël Wünsche Observatoire des Baronnies Provençales | CDK Planewave 2 ZWO ASI6200 / R / 120.0 | 7.87 ± 3.74 | |
| HAT-P-52b (LOW) 2024-11-28 | Mario Morales-Aimar Observatorio de Sencelles MPC K14 | Reflector 10" SBIG ST7-XME / Clear / 150.0 | 1.1 ± 1.58 | |
| HAT-P-52b (LOW) 2024-10-24 | David Bennett Rickford Observatory | GSO RC ZWO ASI2600MM Pro / Clear / 120.0 | 0.47 ± 1.73 | |
| HAT-P-52b (LOW) 2024-10-10 | Bryan Martin Tiger Butte Observatory Remote | AG Optical IDK ZWO ASI 294 / Lum / 210.0 | -2.29 ± 2.45 | |
| HAT-P-52b (LOW) 2023-12-28 | Dim Stouraitis Galilaios | SCT SXVF-H9 Starlight-Xpress / R / 130.0 | -2.3 ± 4.61 | |
| HAT-P-52b (LOW) 2023-12-17 | Marc Deldem Les Barres Observatory | Celestron C11 SBIG ST10-XME / Clear / 180.0 | 2.44 ± 1.44 | |
| HAT-P-52b (LOW) 2023-12-17 | Mercedes Correa Calar Alto | CAHA 1.23m DLR MK-IV / I / 120.0 | -3.05 ± 1.21 | |
| HAT-P-52b (LOW) 2023-11-14 | Giuseppe Marino Gruppo Astrofili Catanesi | Newtonian SBIG ST-7 XME / Clear / 200.0 | 0.08 ± 2.3 | |
| HAT-P-52b (LOW) 2023-11-14 | Lluis Ribe Les Pedritxes | Celestron Moravian G3 16200 / R / 120.0 | -0.92 ± 3.02 | |
| HAT-P-52b (LOW) 2023-11-03 | Adrian Jones Private Observatory (I64) | Meade ACF 30cm QSI 583 / Lum / 200.0 | -1.52 ± 3.6 | |
| HAT-P-52b (LOW) 2023-09-07 | Paul De Backer Sorbus | Ritchey-Chrétien QHY268M / R / 240.0 | 2.14 ± 2.45 | |
| HAT-P-52b (LOW) 2023-09-07 | Pierre Farissier Astroqueyras France | RC500 sbig / Lum / 180.0 | -3.33 ± 2.02 | |
| HAT-P-52b (LOW) 2023-01-04 | Mark van der Grijp Trevinca Observatory | William Optics FLT132 ZWO ASI2600mm Pro / Lum / 60.0 | 0.75 ± 3.89 | |
| HAT-P-52b (LOW) 2022-10-30 | Claudio Lopresti Claudio Lopresti | Meade LX200 12" CCD Sbig ST9xe / Lum / 180.0 | 5.11 ± 4.61 | |
| HAT-P-52b (LOW) 2022-10-17 | David Arnot OSO PIRATE | PlaneWave Instruments CDK24 24 inch (610 mm) f/6.5 Corrected Dall-Kirkham Astrograph FLI ProLine KAF-16803 / R / 90.0 | -0.38 ± 1.73 | |
| HAT-P-52b (LOW) 2022-09-22 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 180.0 | 1.02 ± 1.58 | |
| HAT-P-52b (LOW) 2022-01-03 | Vikrant Kumar Agnihotri Cepheid Observatory India | C11/f6.3 Schmidt-Cassegrain SX-35 TRIUS mono (KAF11002) / Lum / 120.0 | -2.69 ± 3.02 | |
| HAT-P-52b (LOW) 2021-12-31 | Yves Jongen Rasteau Observatory | Plane Wave CDK 17" SBIG STXL 11002 / Lum / 120.0 | -3.85 ± 1.01 | |
| HAT-P-52b (LOW) 2021-10-26 | Anaël Wünsche Observatoire des Baronnies Provençales | Astelco FLIPL230 / Clear / 120.0 | 1.95 ± 0.72 | |
| HAT-P-52b (LOW) 2021-10-26 | Anaël Wünsche Observatoire des Baronnies Provençales | CDK Planewave 2 ZWO ASI6200 / Clear / 120.0 | -0.35 ± 1.44 | |
| HAT-P-52b (LOW) 2021-09-18 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | 1.17 ± 2.74 | |
| HAT-P-52b (LOW) 2021-08-08 | Carmelo Falco GALHassin Robotic Telescope 2 (GRT2) | Giacometti-Fogale RC16 Andor Apogee Aspen CG16M / Lum / 90.0 | -3.07 ± 1.58 | |
| HAT-P-52b (LOW) 2017-11-02 | Anaël Wünsche Observatoire des Baronnies Provençales | Astelco FLIPL230 / Lum / 120.0 | -3.89 ± 2.02 | |
| HAT-P-52b (LOW) 2016-12-26 | Anaël Wünsche Observatoire des Baronnies Provençales | Astelco FLIPL230 / Lum / 120.0 | 1.68 ± 2.45 | |
| HAT-P-52b (LOW) 2016-12-04 | Anaël Wünsche Observatoire des Baronnies Provençales | Astelco FLIPL230 / Lum / 120.0 | 0.64 ± 0.86 | |
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
| HAT-P-52b (LOW) 2022-11-24 | TESS | 2.56 ± 2.88 | ||
| HAT-P-52b (LOW) 2022-11-21 | TESS | -0.61 ± 2.3 | ||
| HAT-P-52b (LOW) 2022-11-19 | TESS | 2.98 ± 3.02 | ||
| HAT-P-52b (LOW) 2022-11-16 | TESS | -0.33 ± 2.16 | ||
| HAT-P-52b (LOW) 2022-11-10 | TESS | -5.38 ± 3.74 | ||
| HAT-P-52b (LOW) 2022-11-08 | TESS | 1.96 ± 2.02 | ||
| HAT-P-52b (LOW) 2022-11-05 | TESS | 0.23 ± 2.88 | ||
| HAT-P-52b (LOW) 2022-11-02 | TESS | -0.5 ± 2.16 | ||
| HAT-P-52b (LOW) 2022-10-30 | TESS | -2.52 ± 3.46 | ||
| HAT-P-52b (LOW) 2021-11-04 | TESS | 4.13 ± 3.31 | ||
| HAT-P-52b (LOW) 2021-11-01 | TESS | 1.53 ± 2.16 | ||
| HAT-P-52b (LOW) 2021-10-29 | TESS | -0.49 ± 2.02 | ||
| HAT-P-52b (LOW) 2021-10-26 | TESS | 1.09 ± 2.74 | ||
| HAT-P-52b (LOW) 2021-10-21 | TESS | -2.95 ± 2.74 | ||
| HAT-P-52b (LOW) 2021-10-18 | TESS | 1.22 ± 2.16 | ||
| HAT-P-52b (LOW) 2021-10-15 | TESS | -1.81 ± 2.45 | ||
| HAT-P-52b (LOW) 2021-10-13 | TESS | -3.25 ± 2.88 | ||
| HAT-P-52b (LOW) 2021-10-10 | TESS | 0.06 ± 3.89 | ||
| HAT-P-52b (LOW) 2021-10-07 | TESS | 4.08 ± 3.17 | ||
| HAT-P-52b (LOW) 2021-10-04 | TESS | -1.68 ± 4.32 | ||
| HAT-P-52b (LOW) 2021-10-02 | TESS | 2.92 ± 2.45 | ||
| HAT-P-52b (LOW) 2021-09-23 | TESS | -3.86 ± 3.17 | ||
| HAT-P-52b (LOW) 2021-09-21 | TESS | 1.9 ± 2.45 | ||
| HAT-P-52b (LOW) 2021-09-18 | TESS | 0.02 ± 3.17 | ||
| HAT-P-52b (LOW) 2021-09-12 | TESS | 2.46 ± 2.3 | ||
| HAT-P-52b (LOW) 2021-09-10 | TESS | 4.33 ± 3.17 | ||
| HAT-P-52b (LOW) 2021-09-07 | TESS | -3.6 ± 3.89 | ||
| HAT-P-52b (LOW) 2021-09-04 | TESS | 3.31 ± 2.88 | ||
| HAT-P-52b (LOW) 2021-08-30 | TESS | -0.3 ± 3.31 | ||
| HAT-P-52b (LOW) 2021-08-27 | TESS | 1.28 ± 2.3 | ||
| HAT-P-52b (LOW) 2021-08-24 | TESS | -1.6 ± 2.59 | ||
| HAT-P-52b (LOW) 2021-08-21 | TESS | 2.28 ± 2.3 | ||
Literature Mid-times |
||||
| Planet Observation Date |
Reference | O-C minutes |
||
| 2017-11-16 | Wang et al. 2021 | 2.04 ± 1.38 | ||
| 2011-10-17 | Hartman et al. 2015 | -0.34 ± 0.59 | ||