| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
HD 17926 DR2 5064574720469473792 J02515623-3048524 |
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| RA | 02:51:56.2464 | DEC | -30:48:52.259 | ||
| Parallax 31.257 mas |
P.M. RA 123.229 mas/y |
P.M. DEC 105.788 mas/y |
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| MagV 6.382 |
MagR* 6.057 |
MagI* 5.815 |
MagJ 5.473 |
MagH 5.225 |
MagK 5.149 |
| MagG 6.248 |
MagGBP 6.523 |
MagGRP 5.866 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2458903.961 ± 0.0016 BJDTDB |
|||||
| Period 3.585266 ± 1.7e-05 days |
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| Transit Parameters | |||||
| Vanderburg et al. 2019 | |||||
| Rp/Rs 0.0146 ± 0.00035 |
a/Rs 7.87 +0.23 -0.24 |
i 85.5 +1.5 -0.5 deg |
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| e - |
ω - deg |
||||
| DepthR* 0.25 mmag |
Duration* 2.82 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 | |||||
| Vanderburg et al. 2019 | |||||
| Teff 6201.0 +50.0 -50.0 K |
Log(g) 4.26 +0.03 -0.04 cm/s2 |
Fe/H -0.14 +0.08 -0.08 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | HIGH | ||||
| Minimum aperture | 114.32" | ||||
| Total Observations (Recent) | 16 (0) | ||||
| O-C | - | ||||
| ExoClock Observations (Recent) | 0 (0) | ||||
| Space Observations (Recent) | 16 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 0 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.0147 ± 0.0003 | ||||
Space Observations |
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| Planet Observation Date |
Mission | O-C minutes |
||
|---|---|---|---|---|
| HR858b (HIGH) 2020-11-15 | TESS | -15.53 ± 5.62 | ||
| HR858b (HIGH) 2020-11-12 | TESS | -12.7 ± 4.61 | ||
| HR858b (HIGH) 2020-11-01 | TESS | -7.66 ± 12.38 | ||
| HR858b (HIGH) 2020-10-28 | TESS | -7.28 ± 5.76 | ||
| HR858b (HIGH) 2020-10-25 | TESS | -13.37 ± 3.17 | ||
| HR858b (HIGH) 2020-10-18 | TESS | 0.64 ± 5.04 | ||
| HR858b (HIGH) 2020-10-14 | TESS | 4.91 ± 6.05 | ||
| HR858b (HIGH) 2020-10-10 | TESS | 4.29 ± 5.47 | ||
| HR858b (HIGH) 2020-10-03 | TESS | 7.93 ± 2.45 | ||
| HR858b (HIGH) 2020-09-30 | TESS | 9.9 ± 2.88 | ||
| HR858b (HIGH) 2020-09-26 | TESS | 21.66 ± 15.84 | ||
| HR858b (HIGH) 2018-11-11 | TESS | 2.66 ± 4.03 | ||
| HR858b (HIGH) 2018-11-08 | TESS | 4.91 ± 2.88 | ||
| HR858b (HIGH) 2018-11-04 | TESS | -1.04 ± 4.9 | ||
| HR858b (HIGH) 2018-10-24 | TESS | -20.34 ± 5.76 | ||
| HR858b (HIGH) 2018-10-21 | TESS | -4.69 ± 4.9 | ||