| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
BD+06 1909 DR2 3096441729861716224 J08154797+0550121 |
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| RA | 08:15:47.9805 | DEC | +05:50:12.352 | ||
| Parallax 4.645 mas |
P.M. RA -17.516 mas/y |
P.M. DEC 23.782 mas/y |
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| MagV 10.35 |
MagR* 10.104 |
MagI* 9.76 |
MagJ 9.442 |
MagH 9.22 |
MagK 9.151 |
| MagG 10.3 |
MagGBP 10.577 |
MagGRP 9.893 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2458345.764417 ± 8.8e-05 BJDTDB |
|||||
| Period 2.81060085 ± 1.5e-07 days |
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| Transit Parameters | |||||
| Maciejewski et al. 2016 | |||||
| Rp/Rs 0.1109 ± 0.0016 |
a/Rs 6.771 +0.013 -0.012 |
i 82.7 +0.19 -0.19 deg |
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| e - |
ω - deg |
||||
| DepthR* 11.97 mmag |
Duration* 2.25 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 | |||||
| Johnson et al. 2011 | |||||
| Teff 6304.0 +88.0 -88.0 K |
Log(g) 4.36 +0.03 -0.03 cm/s2 |
Fe/H 0.13 +0.08 -0.08 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | LOW | ||||
| Minimum aperture | 5.0" | ||||
| Total Observations (Recent) | 79 (11) | ||||
| O-C | -1.03 ± 0.46 minutes | ||||
| ExoClock Observations (Recent) | 45 (11) | ||||
| Space Observations (Recent) | 24 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 10 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.10921 ± 0.00026 | ||||
ExoClock Observations |
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| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| HAT-P-30b (LOW) 2026-01-31 | Kohji Tsumura Tokyo City University | Vixen VC200L ZWO ASI 1600MM-PRO / R / 120.0 | 0.37 ± 6.05 | |
| HAT-P-30b (LOW) 2026-01-25 | David Wright Goveryk (private observatory) | Ritchey-Chretien QSI 683WSG-8 / R / 200.0 | 0.37 ± 6.19 | |
| HAT-P-30b (LOW) 2025-04-17 | Alfredo Viegas GRT South | AstroPhysics 130 QHY-600MM / R / 15.0 | 6.26 ± 2.88 | |
| HAT-P-30b (LOW) 2025-03-25 | Ting Shuo Yeh TCFSH Observatory | ASA Telescope 16N 400/1520 Astrograph OTA Atik One 6.0 / R / 60.0 | 0.8 ± 4.61 | |
| HAT-P-30b (LOW) 2025-03-05 | Michael Nezel Celle Observatory | CDK 14 QHY 268M / R / 75.0 | 3.68 ± 2.3 | |
| HAT-P-30b (LOW) 2025-03-05 | John Savage Rushay Farm Z42 | Skywatcher Esprit 150 ZWO ASI 6200MM / Lum / 30.0 | 1.38 ± 2.74 | |
| HAT-P-30b (LOW) 2025-03-05 | Adrian Jones Private Observatory (I64) | Meade ACF 30cm QSI 583 / R / 45.0 | -0.35 ± 2.02 | |
| HAT-P-30b (LOW) 2025-03-05 | Simon Dawes William James II | Celestron Edge11 HD Risingcam Monochrome SONY imx571 / Lum / 83.0 | -1.21 ± 1.73 | |
| HAT-P-30b (LOW) 2025-03-05 | Mark Salisbury POST | Orion Optics ODK SBIG ST-10 XME / R / 240.0 | -1.93 ± 1.44 | |
| HAT-P-30b (LOW) 2025-03-05 | John Collins JC_Wrexham | Meade LX200GPS ASI-290m / rpr / 20.0 | -2.51 ± 2.74 | |
| HAT-P-30b (LOW) 2025-03-05 | Matthieu Bachschmidt Gonachon | Celestron C11 SBIG ST8XME / AstrodonExoPlanet-BB / 60.0 | -3.63 ± 1.18 | |
| HAT-P-30b (LOW) 2025-01-31 | Darryl Madison Ajijic Observatory | Celestron CPC 800 Edge HD ZWO2400MC / Clear / 60.0 | -8.97 ± 2.74 | |
| HAT-P-30b (LOW) 2025-01-03 | Daniel Kustrin Daniel Kustrin | Sky Watcher Classic 200P ZWO ASI2600MM-Pro / R / 90.0 | 4.72 ± 2.88 | |
| HAT-P-30b (LOW) 2024-04-13 | Claudio Lopresti Claudio Lopresti | Meade LX200 12" CCD Sbig ST9xe / I / 90.0 | -5.53 ± 1.87 | |
| HAT-P-30b (LOW) 2024-03-19 | Ting Shuo Yeh TCFSH Observatory | ASA Telescope 16N 400/1520 Astrograph OTA Atik One 6.0 / R / 60.0 | 0.09 ± 2.45 | |
| HAT-P-30b (LOW) 2024-02-28 | Lluis Ribe Les Pedritxes | Celestron Moravian G3 16200 / R / 60.0 | -2.06 ± 2.88 | |
| HAT-P-30b (LOW) 2024-02-14 | Anaël Wünsche Observatoire des Baronnies Provençales | CDK Planewave 2 ZWO ASI6200 / R / 120.0 | 0.34 ± 1.28 | |
| HAT-P-30b (LOW) 2024-02-14 | Alessandro Marchini Astronomical Observatory University of Siena | Mak-Cas 0.3m f/5.6 Sbig STL-6303 / I / 120.0 | 0.02 ± 1.38 | |
| HAT-P-30b (LOW) 2024-02-14 | Claudio Lopresti Claudio Lopresti | Mak-Newton CCD Sbig ST10xme / I / 180.0 | -0.47 ± 2.59 | |
| HAT-P-30b (LOW) 2024-02-12 | Adrian Jones Private Observatory (I64) | Meade ACF 30cm QSI 583 / R / 45.0 | 0.25 ± 2.16 | |
| HAT-P-30b (LOW) 2024-01-28 | Attilio Bruzzone Anxanum Observatory | LX200 ACF 10" QHY 268M / R / 120.0 | 0.69 ± 3.46 | |
| HAT-P-30b (LOW) 2024-01-17 | Vikrant Kumar Agnihotri Cepheid Observatory India | GSO Ritchey–Chrétien Atik383L+ mono / Lum / 90.0 | 2.9 ± 1.38 | |
| HAT-P-30b (LOW) 2023-11-14 | Javier Alonso Santiago INAF-OACT | Cassegrain 91cm Moravian C4-1600EC / R / 15.0 | 5.74 ± 1.18 | |
| HAT-P-30b (LOW) 2023-04-08 | Eric Miny BLOIS SOLOGNE ASTRONOMIE OBSERVATORY | Newton T305 QSI 683WS / R / 60.0 | -1.34 ± 2.3 | |
| HAT-P-30b (LOW) 2023-02-20 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 30.0 | -3.08 ± 1.35 | |
| HAT-P-30b (LOW) 2023-01-22 | Mercedes Correa Sirius B | Meade Moravian G2 1600 / R / 60.0 | 2.15 ± 3.17 | |
| HAT-P-30b (LOW) 2023-01-20 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 30.0 | 0.61 ± 1.12 | |
| HAT-P-30b (LOW) 2022-12-17 | Bryan Martin Tiger Butte Observatory Remote | AG Optical IDK ZWO ASI 294 / R / 60.0 | -2.44 ± 3.89 | |
| HAT-P-30b (LOW) 2022-01-16 | Adrian Jones Private Observatory (I64) | Meade ACF 30cm QSI 583 / R / 60.0 | -0.86 ± 2.59 | |
| HAT-P-30b (LOW) 2021-03-27 | Carmelo Falco GALHassin Robotic Telescope 2 (GRT2) | Giacometti-Fogale RC16 Andor Apogee Aspen CG16M / gpr / 45.0 | 1.72 ± 2.02 | |
| HAT-P-30b (LOW) 2021-02-10 | Anaël Wünsche Observatoire des Baronnies Provençales | CDK Planewave 2 ZWO ASI6200 / R / 120.0 | 4.33 ± 3.02 | |
| HAT-P-30b (LOW) 2021-02-10 | John Savage Z42 Rushay Farm Observatory | Celestron 14Edge FR ZWO ASI6200MM / R / 120.0 | 3.47 ± 1.15 | |
| HAT-P-30b (LOW) 2021-02-08 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 3.18 ± 1.15 | |
| HAT-P-30b (LOW) 2021-02-05 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | -2.29 ± 2.02 | |
| HAT-P-30b (LOW) 2021-01-22 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 1.89 ± 1.73 | |
| HAT-P-30b (LOW) 2020-12-11 | Jean-Claude MARIO Observatoire de la Cabergue | Astrosib RC 360 Moravian G4-16000 / Lum / 120.0 | 0.61 ± 1.3 | |
| HAT-P-30b (LOW) 2020-12-08 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 60.0 | -0.25 ± 1.44 | |
| HAT-P-30b (LOW) 2020-11-27 | Nikolaos Paschalis Nunki Observatory | Officina Stellare RILA 400 SBIG STXL 11002 / R / 60.0 | 5.23 ± 2.59 | |
| HAT-P-30b (LOW) 2020-04-04 | Simon Dawes William James II Observatory | Skywatcher MN190 ZWO ASI 1600 Pro mono / R / 40.0 | 3.46 ± 2.45 | |
| HAT-P-30b (LOW) 2020-04-04 | Martin Crow Burnham Observatory | Celestron C9.25 SX694 mono / R / 60.0 | -0.43 ± 1.87 | |
| HAT-P-30b (LOW) 2020-02-05 | Valère Perroud Observatoire de Duines | RC 10 Moravian G2-4000 / V / 120.0 | -0.69 ± 2.45 | |
| HAT-P-30b (LOW) 2020-02-05 | Claudio Lopresti Claudio Lopresti | Mak-Newton CCD Sbig ST10xme / I / 300.0 | -2.28 ± 2.16 | |
| HAT-P-30b (LOW) 2019-02-13 | Anaël Wünsche Observatoire des Baronnies Provençales | CDK Planewave SBIG STL11K / V / 60.0 | 4.22 ± 1.3 | |
| HAT-P-30b (LOW) 2018-02-22 | Anaël Wünsche Observatoire des Baronnies Provençales | Astelco FLIPL230 / Clear / 120.0 | 3.65 ± 1.87 | |
| HAT-P-30b (LOW) 2012-11-09 | Ramon Naves Montcabrer | Meade LX200 12" ACF Sbig ST8xme / R / 120.0 | 2.91 ± 1.58 | |
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
| HAT-P-30b (LOW) 2023-02-11 | TESS | -0.26 ± 0.58 | ||
| HAT-P-30b (LOW) 2023-02-08 | TESS | 0.01 ± 0.55 | ||
| HAT-P-30b (LOW) 2023-02-06 | TESS | -1.0 ± 0.76 | ||
| HAT-P-30b (LOW) 2023-02-03 | TESS | -0.61 ± 0.6 | ||
| HAT-P-30b (LOW) 2023-01-28 | TESS | -0.11 ± 0.53 | ||
| HAT-P-30b (LOW) 2023-01-25 | TESS | 0.82 ± 0.63 | ||
| HAT-P-30b (LOW) 2023-01-22 | TESS | -0.46 ± 0.6 | ||
| HAT-P-30b (LOW) 2023-01-20 | TESS | 0.0 ± 0.59 | ||
| HAT-P-30b (LOW) 2021-02-08 | TESS | -1.13 ± 0.75 | ||
| HAT-P-30b (LOW) 2021-02-05 | TESS | -0.23 ± 0.56 | ||
| HAT-P-30b (LOW) 2021-02-02 | TESS | -0.01 ± 0.59 | ||
| HAT-P-30b (LOW) 2021-01-30 | TESS | -0.08 ± 0.6 | ||
| HAT-P-30b (LOW) 2021-01-25 | TESS | 0.58 ± 0.59 | ||
| HAT-P-30b (LOW) 2021-01-22 | TESS | -0.87 ± 0.65 | ||
| HAT-P-30b (LOW) 2021-01-19 | TESS | -0.18 ± 0.62 | ||
| HAT-P-30b (LOW) 2021-01-16 | TESS | 0.18 ± 0.53 | ||
| HAT-P-30b (LOW) 2019-01-30 | TESS | -1.41 ± 0.59 | ||
| HAT-P-30b (LOW) 2019-01-28 | TESS | 0.31 ± 0.65 | ||
| HAT-P-30b (LOW) 2019-01-25 | TESS | 0.71 ± 0.59 | ||
| HAT-P-30b (LOW) 2019-01-22 | TESS | -0.41 ± 0.65 | ||
| HAT-P-30b (LOW) 2019-01-16 | TESS | 0.89 ± 0.58 | ||
| HAT-P-30b (LOW) 2019-01-14 | TESS | -0.9 ± 0.59 | ||
| HAT-P-30b (LOW) 2019-01-11 | TESS | -0.74 ± 0.65 | ||
| HAT-P-30b (LOW) 2019-01-08 | TESS | -0.22 ± 0.56 | ||
Literature Mid-times |
||||
| Planet Observation Date |
Reference | O-C minutes |
||
| 2020-03-10 | Saha et al. 2021 | 1.66 ± 3.02 | ||
| 2020-02-22 | Saha et al. 2021 | 2.59 ± 1.41 | ||
| 2020-02-05 | Saha et al. 2021 | 2.56 ± 2.23 | ||
| 2020-02-05 | Saha et al. 2021 | 2.0 ± 1.11 | ||
| 2018-11-18 | Bai et al. 2022 | -2.63 ± 1.1 | ||
| 2017-01-21 | Wang et al. 2021 | 1.17 ± 1.2 | ||
| 2014-01-21 | Wang et al. 2021 | 2.86 ± 1.87 | ||
| 2012-01-19 | Maciejewski et al. 2016 | 1.09 ± 0.78 | ||
| 2011-01-10 | Enoch et al. 2011 | -0.05 ± 0.23 | ||
| 2010-09-16 | Johnson et al. 2011 | -0.52 ± 0.53 | ||