| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
HAT-P-45 DR2 4270547520706275328 J18172957-0322517 |
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| RA | 18:17:29.5774 | DEC | -03:22:51.739 | ||
| Parallax 3.322 mas |
P.M. RA 7.062 mas/y |
P.M. DEC -4.785 mas/y |
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| MagV 12.79 |
MagR 12.32 |
MagI 11.68 |
MagJ 10.73 |
MagH 10.35 |
MagK 10.201 |
| MagG 12.398 |
MagGBP 13.014 |
MagGRP 11.655 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
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|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2458445.95425 ± 0.00035 BJDTDB |
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| Period 3.12899458 ± 7e-07 days |
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| Transit Parameters | |||||
| Hartman et al. 2014 | |||||
| Rp/Rs 0.111 ± 0.0021 |
a/Rs 7.4 +0.4 -0.6 |
i 87.8 +0.9 -0.9 deg |
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| e - |
ω - deg |
||||
| DepthR* 15.93 mmag |
Duration* 3.48 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 | |||||
| Hartman et al. 2014 | |||||
| Teff 6330.0 +100.0 -100.0 K |
Log(g) 4.3 +0.06 -0.06 cm/s2 |
Fe/H 0.07 +0.1 -0.1 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | LOW | ||||
| Minimum aperture | 6.31" | ||||
| Total Observations (Recent) | 22 (5) | ||||
| O-C | -0.12 ± 0.65 minutes | ||||
| ExoClock Observations (Recent) | 21 (5) | ||||
| Space Observations (Recent) | 0 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 1 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | - | ||||
ExoClock Observations |
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| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| HAT-P-45b (LOW) 2026-07-02 | Pieter Vuylsteke Marvel (La Palma) | ASA Ritchey ZWO 6200mm / rpr / 120.0 | 0.68 ± 0.91 | |
| HAT-P-45b (LOW) 2026-07-02 | Yann LE GALL Trevinca Skies | Newton Ares M pr imx533 / AstrodonExoPlanet-BB / 60.0 | -7.69 ± 3.89 | |
| HAT-P-45b (LOW) 2026-06-17 | Kyle Carr Walnut Park | Celestron C11 ASI533MM Pro / AstrodonExoPlanet-BB / 300.0 | 2.5 ± 1.87 | |
| HAT-P-45b (LOW) 2026-06-07 | Paolo Arcangelo Matassa P:M.P.H.R. Deep Sky (K81) | Ritchey Chretien 40cm-F5.3 CCD ICX453AQ / Lum / 90.0 | -0.84 ± 4.18 | |
| HAT-P-45b (LOW) 2025-08-24 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | -1.65 ± 1.14 | |
| HAT-P-45b (LOW) 2024-07-28 | Guillaume Biesse Observatoire de la coline Tossius | WH300 F4 ASI 533 MM / Clear / 120.0 | -0.08 ± 2.88 | |
| HAT-P-45b (LOW) 2024-07-07 | Deborah Smith Complejo Astronomico Los Coloraos, Gorafe | Celestron C11 QHY9 / R / 125.0 | 3.32 ± 2.16 | |
| HAT-P-45b (LOW) 2024-07-03 | Yves Jongen Rasteau Observatory | Plane Wave CDK 17" SBIG STXL 11002 / Lum / 180.0 | 1.58 ± 2.02 | |
| HAT-P-45b (LOW) 2024-07-03 | Deborah Smith Complejo Astronomico Los Coloraos, Gorafe | Celestron C11 EdgeHD ASI2600MM / R / 130.0 | 0.86 ± 2.3 | |
| HAT-P-45b (LOW) 2022-08-28 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 180.0 | 1.34 ± 1.15 | |
| HAT-P-45b (LOW) 2022-07-09 | Anaël Wünsche Observatoire des Baronnies Provençales | CDK Planewave 2 ZWO ASI6200 / Clear / 120.0 | -1.95 ± 1.44 | |
| HAT-P-45b (LOW) 2022-05-26 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | -3.22 ± 1.01 | |
| HAT-P-45b (LOW) 2021-07-07 | Carmelo Falco GALHassin Robotic Telescope 2 (GRT2) | Giacometti-Fogale RC16 Andor Apogee Aspen CG16M / gpr / 90.0 | 0.88 ± 2.88 | |
| HAT-P-45b (LOW) 2021-07-07 | Carmelo Falco GAL Hassin Robotic Telescope 2 (GRT2) - Multiband | Giacometti-Fogale RC16 - 2 Andor Apogee Aspen CG16M / R / 90.0 | -0.85 ± 2.3 | |
| HAT-P-45b (LOW) 2021-06-19 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | -0.75 ± 0.72 | |
| HAT-P-45b (LOW) 2021-06-16 | Yves Jongen Rasteau Observatory | Plane Wave CDK 17" SBIG STXL 11002 / Lum / 120.0 | -2.49 ± 1.58 | |
| HAT-P-45b (LOW) 2021-05-21 | Alessandro Nastasi Galhassin Robotic Telescope 1 (GRT1) | Officina Stellare RiLa 400 FLI ProLine 16803 / rpr / 60.0 | 5.08 ± 2.88 | |
| HAT-P-45b (LOW) 2021-05-21 | Carmelo Falco GAL Hassin Robotic Telescope 2 (GRT2) - Multiband | Giacometti-Fogale RC16 - 2 Andor Apogee Aspen CG16M / gpr / 90.0 | -0.1 ± 3.02 | |
| HAT-P-45b (LOW) 2021-05-21 | Carmelo Falco GALHassin Robotic Telescope 2 (GRT2) | Giacometti-Fogale RC16 Andor Apogee Aspen CG16M / Lum / 60.0 | -1.69 ± 3.46 | |
| HAT-P-45b (LOW) 2021-05-06 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | 3.02 ± 0.86 | |
| HAT-P-45b (LOW) 2021-05-06 | Anaël Wünsche El Sauce Observatory | CDK Planewave Chili Moravian G4 16k / Lum / 120.0 | 1.44 ± 1.01 | |
Literature Mid-times |
||||
| Planet Observation Date |
Reference | O-C minutes |
||
| 2011-06-17 | Hartman et al. 2014 | -0.09 ± 0.59 | ||