| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
HD 5278 DR2 4617759514501503616 J00500988-8344382 |
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| RA | 00:50:09.9047 | DEC | -83:44:38.033 | ||
| Parallax 17.337 mas |
P.M. RA 139.424 mas/y |
P.M. DEC 30.476 mas/y |
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| MagV 7.95 |
MagR* 7.606 |
MagI* 7.35 |
MagJ 6.949 |
MagH 6.673 |
MagK 6.605 |
| MagG 7.804 |
MagGBP 8.096 |
MagGRP 7.401 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2458809.75022 ± 0.0008 BJDTDB |
|||||
| Period 14.339197 ± 2.4e-05 days |
|||||
| Transit Parameters | |||||
| Sozzetti et al. 2021 | |||||
| Rp/Rs 0.01874 ± 0.0003 |
a/Rs** 21.2 +1.3 -1.0 |
i 89.27 +0.47 -0.48 deg |
|||
| e 0.08 +0.09 -0.05 |
ω 135.0 +34.0 -280.0 deg |
||||
| DepthR* 0.45 mmag |
Duration* 4.81 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
|||||
| Limb Darkening Parameters | |||||
| Sozzetti et al. 2021 | |||||
| Teff 6203.0 +64.0 -64.0 K |
Log(g) 4.5 +0.11 -0.11 cm/s2 |
Fe/H -0.12 +0.04 -0.04 dex |
|||
| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | HIGH | ||||
| Minimum aperture | 64.41" | ||||
| Total Observations (Recent) | 12 (0) | ||||
| O-C | - | ||||
| ExoClock Observations (Recent) | 0 (0) | ||||
| Space Observations (Recent) | 12 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 0 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.01863 ± 0.00033 | ||||
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
|---|---|---|---|---|
| HD5278b (HIGH) 2023-06-19 | TESS | 0.22 ± 4.46 | ||
| HD5278b (HIGH) 2023-06-04 | TESS | -0.65 ± 8.5 | ||
| HD5278b (HIGH) 2021-06-17 | TESS | -1.3 ± 6.05 | ||
| HD5278b (HIGH) 2021-06-03 | TESS | 10.22 ± 5.76 | ||
| HD5278b (HIGH) 2020-07-23 | TESS | -8.16 ± 11.66 | ||
| HD5278b (HIGH) 2020-07-08 | TESS | 8.25 ± 6.48 | ||
| HD5278b (HIGH) 2019-07-16 | TESS | -3.24 ± 2.45 | ||
| HD5278b (HIGH) 2019-07-01 | TESS | -0.79 ± 3.02 | ||
| HD5278b (HIGH) 2019-06-17 | TESS | -2.67 ± 2.74 | ||
| HD5278b (HIGH) 2019-06-03 | TESS | -0.8 ± 5.62 | ||
| HD5278b (HIGH) 2018-08-20 | TESS | 6.89 ± 4.18 | ||
| HD5278b (HIGH) 2018-08-06 | TESS | 3.86 ± 3.89 | ||