| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
GSC 01925-01046 DR2 675443053940533760 J07535598+2356176 |
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| RA | 07:53:55.9827 | DEC | +23:56:17.611 | ||
| Parallax 4.918 mas |
P.M. RA -23.655 mas/y |
P.M. DEC -1.467 mas/y |
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| MagV 13.802 |
MagR 13.678 |
MagI 13.278 |
MagJ 11.75 |
MagH 11.21 |
MagK 11.019 |
| MagG 13.544 |
MagGBP 14.248 |
MagGRP 12.743 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2458951.682856 ± 9.5e-05 BJDTDB |
|||||
| Period 2.29840565 ± 1.5e-07 days |
|||||
| Transit Parameters | |||||
| Lindor et al. 2021 | |||||
| Rp/Rs 0.1644 ± 0.0015 |
a/Rs 9.6 +0.185 -0.047 |
i 88.73 +0.47 -0.27 deg |
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| e - |
ω - deg |
||||
| DepthR* 38.0 mmag |
Duration* 2.1 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
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| Limb Darkening Parameters | |||||
| Lindor et al. 2021 | |||||
| Teff 4508.0 +43.0 -43.0 K |
Log(g) 4.62 +0.01 -0.01 cm/s2 |
Fe/H -0.059 +0.036 -0.036 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | LOW | ||||
| Minimum aperture | 10.08" | ||||
| Total Observations (Recent) | 79 (7) | ||||
| O-C | -0.25 ± 0.19 minutes | ||||
| ExoClock Observations (Recent) | 41 (7) | ||||
| Space Observations (Recent) | 37 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 1 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.15991 ± 0.00056 | ||||
ExoClock Observations |
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| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| HAT-P-68b (LOW) 2026-02-26 | Matthieu Bachschmidt Gonachon | Celestron C11 SBIG ST8XME / AstrodonExoPlanet-BB / 120.0 | 1.55 ± 0.82 | |
| HAT-P-68b (LOW) 2026-02-19 | Pieter Vuylsteke Marvel (La Palma) | ASA Ritchey ZWO 6200mm / rpr / 200.0 | -0.02 ± 0.32 | |
| HAT-P-68b (LOW) 2026-01-11 | Ivo Peretto MarSEC Marana Space Explorer Center | R-C Moravia G2-1600 MkII / R / 150.0 | -1.89 ± 1.2 | |
| HAT-P-68b (LOW) 2025-11-20 | Adrian Jones Private Observatory (I64) | Meade ACF 30cm QSI 583 / Lum / 300.0 | -1.74 ± 1.12 | |
| HAT-P-68b (LOW) 2025-04-01 | Trevor Gainey Kismet | Meade LX200 ZWO ASI 294 MC Pro / R / 300.0 | -3.63 ± 3.74 | |
| HAT-P-68b (LOW) 2025-03-16 | Yves Jongen Rasteau Observatory | Plane Wave CDK 17" SBIG STXL 11002 / Lum / 180.0 | 1.17 ± 0.85 | |
| HAT-P-68b (LOW) 2025-03-03 | David Bennett Rickford Observatory | GSO RC ZWO ASI2600MM Pro / R / 80.0 | -0.07 ± 1.44 | |
| HAT-P-68b (LOW) 2025-02-24 | Charles Miller Miller Observatory | Meade 12" LX850 QHY268M / R / 60.0 | -0.59 ± 1.04 | |
| HAT-P-68b (LOW) 2025-01-16 | Ramon Naves Montcabrer | Meade LX200 12" ACF Moravian G4-9000 / rpr / 200.0 | 5.57 ± 2.45 | |
| HAT-P-68b (LOW) 2024-12-30 | Deborah Smith Complejo Astronomico Los Coloraos, Gorafe | C9.25 QHY9 / R / 210.0 | -0.11 ± 1.18 | |
| HAT-P-68b (LOW) 2024-12-30 | Yves Jongen Rasteau Observatory | Plane Wave CDK 17" SBIG STXL 11002 / Lum / 180.0 | -0.13 ± 0.5 | |
| HAT-P-68b (LOW) 2024-12-19 | Geoffrey Stone Dimension Point (V42) | CDK-24 FLI KL400 BI / AstrodonExoPlanet-BB / 20.0 | -0.24 ± 0.82 | |
| HAT-P-68b (LOW) 2024-12-01 | Mark van der Grijp Raspay Observatory | C9.25 HD ZWO2600 MM Pro / Lum / 120.0 | 1.15 ± 1.02 | |
| HAT-P-68b (LOW) 2024-12-01 | Matthieu Bachschmidt Gonachon | Celestron C11 SBIG ST8XME / AstrodonExoPlanet-BB / 120.0 | -2.4 ± 0.59 | |
| HAT-P-68b (LOW) 2024-11-28 | Alexey Garmash Lyceum 130 | EdgeHD C11 ASI2600MM pro / rpr / 240.0 | -1.49 ± 1.31 | |
| HAT-P-68b (LOW) 2024-02-17 | Claudio Lopresti Claudio Lopresti | Mak-Newton CCD Sbig ST10xme / Lum / 240.0 | 3.44 ± 2.59 | |
| HAT-P-68b (LOW) 2024-02-17 | Nello Ruocco Osservatorio Astronomico Nastro Verde di Sorrento MPC code C82 | SC Meade LX200 GPS on equatorial fork Sbig ST10XME / Clear / 150.0 | -1.4 ± 1.07 | |
| HAT-P-68b (LOW) 2024-02-13 | Charles Miller Miller Observatory | Meade 12" LX850 QHY268M / R / 75.0 | 0.44 ± 0.95 | |
| HAT-P-68b (LOW) 2024-02-10 | John Collins JC_Wrexham | Meade LX200GPS ASI-290m / Clear / 30.0 | -2.88 ± 2.74 | |
| HAT-P-68b (LOW) 2024-02-04 | Dim Stouraitis Galilaios | SCT SXVF-H9 Starlight-Xpress / R / 130.0 | 2.74 ± 1.34 | |
| HAT-P-68b (LOW) 2024-02-04 | Ian Sharp PixelSkies | Celestron C11 Edge HD Starlight Xpress Trius Pro SX694 / R / 120.0 | 1.83 ± 1.2 | |
| HAT-P-68b (LOW) 2024-02-04 | Matthieu Bachschmidt Gonachon | Celestron C11 SBIG ST8XME / AstrodonExoPlanet-BB / 120.0 | 1.56 ± 0.56 | |
| HAT-P-68b (LOW) 2024-02-04 | Yves Jongen Rasteau Observatory | Plane Wave CDK 17" SBIG STXL 11002 / Lum / 180.0 | 0.59 ± 0.69 | |
| HAT-P-68b (LOW) 2024-02-04 | Robert Roth TURMX Observatory | CFF Telescopes 160mm APO ZWO ASI6200MM Pro / Lum / 120.0 | -0.03 ± 0.73 | |
| HAT-P-68b (LOW) 2023-12-26 | Tiberiu Savin Tiberiu Savin | Skywatcher 200 Quattro ZWO ASI 533MC / Clear / 180.0 | 4.06 ± 5.33 | |
| HAT-P-68b (LOW) 2023-11-10 | Alexander Tarasenkov Kislovodsk Optical Station (Institute of Astronomy of the Russian Academy of Sciences) | Astrosib RC500 ZWO ASI 6200MM Pro / V / 120.0 | 0.46 ± 0.53 | |
| HAT-P-68b (LOW) 2023-04-11 | Bryan Martin Tiger Butte Observatory Remote | AG Optical IDK ZWO ASI 294 / Lum / 180.0 | 2.24 ± 1.87 | |
| HAT-P-68b (LOW) 2023-02-28 | Manfred Raetz privat observatory Herges-Hallenberg | SCT 280 /1790 (Celestron C11 with reducer) Moravian Instruments G2-1600 / AstrodonExoPlanet-BB / 120.0 | 1.52 ± 1.87 | |
| HAT-P-68b (LOW) 2023-02-28 | Pieter Vuylsteke TheGardenToTheSkyFacility | TS ONTC 25cm f4.7 QHY 268M / rpr / 150.0 | -0.49 ± 1.73 | |
| HAT-P-68b (LOW) 2023-02-08 | Bryan Martin Tiger Butte Observatory Remote | AG Optical IDK ZWO ASI 294 / AstrodonExoPlanet-BB / 120.0 | 0.11 ± 1.08 | |
| HAT-P-68b (LOW) 2023-01-25 | Bryan Martin Tiger Butte Observatory Remote | AG Optical IDK ZWO ASI 294 / Clear / 120.0 | 1.63 ± 1.09 | |
| HAT-P-68b (LOW) 2023-01-13 | Javier Flores Martín CAHA | GSO40 zwo 1600mm pro / Lum / 60.0 | 0.01 ± 0.45 | |
| HAT-P-68b (LOW) 2022-10-30 | Antonino Brosio ABObservatory | Skywatcher Newton Quattro 300P Atik 383 L / rpr / 240.0 | 3.19 ± 1.38 | |
| HAT-P-68b (LOW) 2022-03-04 | Yves Jongen Rasteau Observatory | Plane Wave CDK 17" FLI Kepler CMOS 4040 / Lum / 180.0 | -3.11 ± 0.72 | |
| HAT-P-68b (LOW) 2022-02-10 | Michelle Müller TURMX Observatory | Planewave CDK17 GHY600M / rpr / 120.0 | 0.14 ± 0.58 | |
| HAT-P-68b (LOW) 2022-02-10 | Paolo Arcangelo Matassa P:M.P.H.R. Deep Sky (K81) | Ritchey Chretien 40cm-F5.3 CCD ICX453AQ / Lum / 150.0 | -1.73 ± 2.3 | |
| HAT-P-68b (LOW) 2022-01-24 | Yves Jongen Rasteau Observatory | Plane Wave CDK 17" FLI Kepler CMOS 4040 / Lum / 120.0 | 2.07 ± 0.58 | |
| HAT-P-68b (LOW) 2022-01-24 | Jacques Michelet Claix | GSO Ritchey-Chrétien QSI-632 / R / 150.0 | -0.38 ± 0.86 | |
| HAT-P-68b (LOW) 2022-01-01 | Tõnis Eenmäe Tartu Observatory | Planewave CDK 12.5 Apogee Alta U42 / Lum / 120.0 | -0.44 ± 0.72 | |
| HAT-P-68b (LOW) 2021-12-09 | Vikrant Kumar Agnihotri Cepheid Observatory India | C8/f6.3 Schmidt-Cassegrain Atik383L+ mono / AstrodonExoPlanet-BB / 75.0 | -3.67 ± 1.3 | |
| HAT-P-68b (LOW) 2021-12-03 | Robert Roth TURMX Observatory | Planewave CDK17 QHY600M / rpr / 120.0 | 0.53 ± 0.43 | |
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
| HAT-P-68b (LOW) 2023-12-06 | TESS | 0.07 ± 0.98 | ||
| HAT-P-68b (LOW) 2023-12-03 | TESS | 0.21 ± 0.96 | ||
| HAT-P-68b (LOW) 2023-12-01 | TESS | 0.47 ± 1.02 | ||
| HAT-P-68b (LOW) 2023-11-29 | TESS | 0.57 ± 1.04 | ||
| HAT-P-68b (LOW) 2023-11-27 | TESS | -0.52 ± 1.05 | ||
| HAT-P-68b (LOW) 2023-11-22 | TESS | 0.06 ± 0.86 | ||
| HAT-P-68b (LOW) 2023-11-20 | TESS | -0.47 ± 1.12 | ||
| HAT-P-68b (LOW) 2023-11-15 | TESS | -1.41 ± 1.14 | ||
| HAT-P-68b (LOW) 2023-11-08 | TESS | -0.58 ± 0.76 | ||
| HAT-P-68b (LOW) 2023-11-06 | TESS | -0.1 ± 0.78 | ||
| HAT-P-68b (LOW) 2023-11-04 | TESS | -0.01 ± 0.92 | ||
| HAT-P-68b (LOW) 2023-11-01 | TESS | 0.13 ± 0.85 | ||
| HAT-P-68b (LOW) 2023-10-28 | TESS | -1.8 ± 0.96 | ||
| HAT-P-68b (LOW) 2023-10-25 | TESS | -0.77 ± 0.86 | ||
| HAT-P-68b (LOW) 2023-10-23 | TESS | 2.09 ± 1.04 | ||
| HAT-P-68b (LOW) 2023-10-21 | TESS | 1.22 ± 0.85 | ||
| HAT-P-68b (LOW) 2023-10-18 | TESS | 0.12 ± 0.89 | ||
| HAT-P-68b (LOW) 2021-12-28 | TESS | -0.91 ± 0.96 | ||
| HAT-P-68b (LOW) 2021-12-26 | TESS | -0.64 ± 1.07 | ||
| HAT-P-68b (LOW) 2021-12-23 | TESS | 0.98 ± 0.89 | ||
| HAT-P-68b (LOW) 2021-12-21 | TESS | -3.41 ± 1.02 | ||
| HAT-P-68b (LOW) 2021-12-19 | TESS | 1.22 ± 1.01 | ||
| HAT-P-68b (LOW) 2021-12-14 | TESS | 0.42 ± 0.91 | ||
| HAT-P-68b (LOW) 2021-12-12 | TESS | 0.86 ± 0.92 | ||
| HAT-P-68b (LOW) 2021-12-09 | TESS | -1.48 ± 1.05 | ||
| HAT-P-68b (LOW) 2021-12-07 | TESS | -0.62 ± 1.11 | ||
| HAT-P-68b (LOW) 2021-12-05 | TESS | 0.52 ± 1.07 | ||
| HAT-P-68b (LOW) 2021-11-05 | TESS | -0.38 ± 0.85 | ||
| HAT-P-68b (LOW) 2021-11-03 | TESS | -0.5 ± 0.76 | ||
| HAT-P-68b (LOW) 2021-10-31 | TESS | -0.16 ± 1.15 | ||
| HAT-P-68b (LOW) 2021-10-29 | TESS | 0.65 ± 0.99 | ||
| HAT-P-68b (LOW) 2021-10-27 | TESS | -0.88 ± 0.91 | ||
| HAT-P-68b (LOW) 2021-10-22 | TESS | 0.45 ± 0.84 | ||
| HAT-P-68b (LOW) 2021-10-20 | TESS | -1.34 ± 1.09 | ||
| HAT-P-68b (LOW) 2021-10-18 | TESS | 0.02 ± 0.98 | ||
| HAT-P-68b (LOW) 2021-10-15 | TESS | -1.23 ± 1.28 | ||
| HAT-P-68b (LOW) 2021-10-13 | TESS | 0.97 ± 1.12 | ||
Literature Mid-times |
||||
| Planet Observation Date |
Reference | O-C minutes |
||
| 2013-11-17 | Lindor et al. 2021 | 0.03 ± 0.2 | ||