The Star | |||||
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Simbad GAIA 2MASS |
HAT-P-18 DR2 1334573817793362560 J17052315+3300450 |
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RA | 17:05:23.1475 | DEC | +33:00:44.939 | ||
Parallax 6.167 mas |
P.M. RA -14.073 mas/y |
P.M. DEC -36.689 mas/y |
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MagV 12.759 |
MagR 12.61 |
MagI* 11.659 |
MagJ 10.822 |
MagH 10.34 |
MagK 10.234 |
MagG 12.368 |
MagGBP 12.939 |
MagGRP 11.681 |
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*Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified |
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Kokori et al. 2021 | |||||
Mid-time 2457276.25646 ± 0.0001 BJDTDB |
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Period 5.50803 ± 8e-07 days |
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Transit Parameters | |||||
Kirk et al. 2017 | |||||
Rp/Rs 0.1356 ± 0.0028 |
a/Rs 16.39 +0.24 -0.24 |
i 88.53 +0.16 -0.16 deg |
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e - |
ω - deg |
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DepthR* 24.28 mmag |
Duration* 2.71 hours |
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*Calculated from the other parameters, using PyLightcurve.
**Adjusted to produce a duration that matches the observations. |
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Limb Darkening Parameters | |||||
Hartman et al. 2011 | |||||
Teff 4803.0 +80.0 -80.0 K |
Log(g) 4.57 +0.04 -0.04 cm/s2 |
Fe/H 0.1 +0.08 -0.08 dex |
ExoClock Status | |||||
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Observing Priority
ExoClock Observations (Recent) Space Observations Literature Mid-times ETD Observations O-C minutes |
MEDIUM
5 (2) 7 -1.3±0.6 |
ExoClock Observations
Literature Mid-times
Observation Date |
Mid-time | Time format | Reference | O-C minutes |
|
---|---|---|---|---|---|
2016-04-29 | 2457507.59300891 ± 6e-05 | BJD_UTC | Kirk et al. 2017 | 0.1 ± 0.1 | |
2016-04-29 | 2457507.59219566 ± 0.000194 | BJD_UTC | Kirk et al. 2017 | -1.1 ± 0.3 | |
2013-04-28 | 2456411.49638 ± 0.00084 | BJD_TDB | Seeliger et al. 2015 | 0.9 ± 1.2 | |
2012-05-05 | 2456053.47276 ± 0.00084 | BJD_TDB | Seeliger et al. 2015 | -1.5 ± 1.2 | |
2011-05-24 | 2455706.46993 ± 0.0008 | BJD_TDB | Seeliger et al. 2015 | 2.9 ± 1.2 | |
2011-04-21 | 2455673.41967 ± 0.00124 | BJD_TDB | Seeliger et al. 2015 | -0.1 ± 1.8 | |
2008-09-05 | 2454715.02174 ± 0.0002 | BJD_UTC | Hartman et al. 2011 | -0.0 ± 0.3 |