| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
WASP-78 DR2 5089851638095503616 J04150149-2206591 |
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| RA | 04:15:01.5043 | DEC | -22:06:59.103 | ||
| Parallax 1.297 mas |
P.M. RA -0.463 mas/y |
P.M. DEC 6.424 mas/y |
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| MagV 11.96 |
MagR 12.43 |
MagI 11.65 |
MagJ 11.286 |
MagH 11.084 |
MagK 11.008 |
| MagG 12.188 |
MagGBP 12.451 |
MagGRP 11.768 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
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|---|---|---|---|---|---|
| Kokori et al. 2022 | |||||
| Mid-time 2457966.18625 ± 0.00017 BJDTDB |
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| Period 2.175185 ± 2.7e-07 days |
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| Transit Parameters | |||||
| Smalley et al. 2012 | |||||
| Rp/Rs 0.0794 ± 0.0013 |
a/Rs 3.52 +0.13 -0.13 |
i 83.2 +2.3 -1.6 deg |
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| e - |
ω - deg |
||||
| DepthR* 8.0 mmag |
Duration* 4.8 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 | |||||
| Smalley et al. 2012 | |||||
| Teff 6100.0 +150.0 -150.0 K |
Log(g) 3.88 +0.04 -0.04 cm/s2 |
Fe/H -0.35 +0.14 -0.14 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | MEDIUM | ||||
| Minimum aperture | 9.65" | ||||
| Total Observations (Recent) | 40 (2) | ||||
| O-C | 3.51 ± 1.01 minutes | ||||
| ExoClock Observations (Recent) | 6 (2) | ||||
| Space Observations (Recent) | 32 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 2 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.08611 ± 0.0004 | ||||
ExoClock Observations |
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| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| WASP-78b (MEDIUM) 2023-12-04 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 90.0 | 2.92 ± 2.45 | |
| WASP-78b (MEDIUM) 2023-11-21 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 90.0 | 3.65 ± 1.44 | |
| WASP-78b (MEDIUM) 2023-01-14 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 90.0 | 3.59 ± 1.73 | |
| WASP-78b (MEDIUM) 2020-12-05 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 2.13 ± 2.3 | |
| WASP-78b (MEDIUM) 2020-11-24 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 120.0 | 0.01 ± 3.6 | |
| WASP-78b (MEDIUM) 2020-11-11 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / Lum / 120.0 | 0.02 ± 2.3 | |
Space Observations |
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| Planet Observation Date |
Mission | O-C minutes |
||
| WASP-78b (MEDIUM) 2020-12-16 | TESS | -2.22 ± 2.3 | ||
| WASP-78b (MEDIUM) 2020-12-13 | TESS | -0.09 ± 2.45 | ||
| WASP-78b (MEDIUM) 2020-12-11 | TESS | 3.35 ± 2.3 | ||
| WASP-78b (MEDIUM) 2020-12-09 | TESS | 3.18 ± 2.45 | ||
| WASP-78b (MEDIUM) 2020-12-07 | TESS | -1.45 ± 1.73 | ||
| WASP-78b (MEDIUM) 2020-12-05 | TESS | -2.04 ± 2.16 | ||
| WASP-78b (MEDIUM) 2020-11-30 | TESS | -0.94 ± 2.45 | ||
| WASP-78b (MEDIUM) 2020-11-28 | TESS | 1.49 ± 2.02 | ||
| WASP-78b (MEDIUM) 2020-11-26 | TESS | 0.6 ± 2.16 | ||
| WASP-78b (MEDIUM) 2020-11-24 | TESS | 2.31 ± 2.45 | ||
| WASP-78b (MEDIUM) 2020-11-22 | TESS | -1.31 ± 1.87 | ||
| WASP-78b (MEDIUM) 2020-11-15 | TESS | 0.5 ± 3.31 | ||
| WASP-78b (MEDIUM) 2020-11-13 | TESS | -1.54 ± 2.3 | ||
| WASP-78b (MEDIUM) 2020-11-11 | TESS | -1.42 ± 2.45 | ||
| WASP-78b (MEDIUM) 2020-11-09 | TESS | 1.87 ± 2.45 | ||
| WASP-78b (MEDIUM) 2020-11-06 | TESS | 1.85 ± 1.87 | ||
| WASP-78b (MEDIUM) 2020-11-02 | TESS | -1.07 ± 3.31 | ||
| WASP-78b (MEDIUM) 2020-10-31 | TESS | 1.64 ± 2.16 | ||
| WASP-78b (MEDIUM) 2020-10-29 | TESS | 0.61 ± 2.02 | ||
| WASP-78b (MEDIUM) 2020-10-26 | TESS | -2.43 ± 2.02 | ||
| WASP-78b (MEDIUM) 2020-10-24 | TESS | -1.16 ± 2.16 | ||
| WASP-78b (MEDIUM) 2020-10-22 | TESS | -3.34 ± 2.16 | ||
| WASP-78b (MEDIUM) 2018-12-09 | TESS | 1.97 ± 2.59 | ||
| WASP-78b (MEDIUM) 2018-12-07 | TESS | 4.26 ± 2.16 | ||
| WASP-78b (MEDIUM) 2018-12-05 | TESS | 0.49 ± 1.73 | ||
| WASP-78b (MEDIUM) 2018-12-03 | TESS | 1.62 ± 2.02 | ||
| WASP-78b (MEDIUM) 2018-11-30 | TESS | -0.99 ± 2.02 | ||
| WASP-78b (MEDIUM) 2018-11-26 | TESS | -0.89 ± 2.16 | ||
| WASP-78b (MEDIUM) 2018-11-24 | TESS | 0.24 ± 2.02 | ||
| WASP-78b (MEDIUM) 2018-11-22 | TESS | -1.08 ± 2.02 | ||
| WASP-78b (MEDIUM) 2018-11-20 | TESS | -1.1 ± 2.02 | ||
| WASP-78b (MEDIUM) 2018-11-17 | TESS | -0.84 ± 1.87 | ||
Literature Mid-times |
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| Planet Observation Date |
Reference | O-C minutes |
||
| 2012-07-30 | Brown et al. 2017 | -0.79 ± 0.72 | ||
| 2011-11-16 | Smalley et al. 2012 | 0.75 ± 0.76 | ||