| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
BD-17 588A DR2 5153091836072107136 J03015142-1635356 |
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| RA | 03:01:51.3928 | DEC | -16:35:36.022 | ||
| Parallax 145.547 mas |
P.M. RA -369.196 mas/y |
P.M. DEC -268.51 mas/y |
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| MagV 10.529 |
MagR 9.364 |
MagI 7.887 |
MagJ 7.294 |
MagH 6.774 |
MagK 6.496 |
| MagG 10.047 |
MagGBP 11.501 |
MagGRP 8.91 |
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| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2025 | |||||
| Mid-time 2458953.94423 ± 0.00077 BJDTDB |
|||||
| Period 5.358759 ± 1e-05 days |
|||||
| Transit Parameters | |||||
| Winters et al. 2019 | |||||
| Rp/Rs 0.0458 ± 0.0012 |
a/Rs 29.6 +2.6 -2.5 |
i 89.4 +0.41 -0.46 deg |
|||
| e 0.19 +0.35 -0.14 |
ω 221.0 +120.0 -76.0 deg |
||||
| DepthR* 2.75 mmag |
Duration* 1.53 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 | |||||
| Winters et al. 2019 | |||||
| Teff 3337.0 +150.0 -150.0 K |
Log(g) 4.97 +0.06 -0.07 cm/s2 |
Fe/H -0.34 +0.08 -0.08 dex |
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| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | HIGH | ||||
| Minimum aperture | 16.85" | ||||
| Total Observations (Recent) | 10 (0) | ||||
| O-C | - | ||||
| ExoClock Observations (Recent) | 2 (0) | ||||
| Space Observations (Recent) | 8 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 0 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.04773 ± 0.00099 | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| LTT1445Ab (HIGH) 2023-12-15 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / R / 20.0 | -8.04 ± 3.74 | |
| LTT1445Ab (HIGH) 2023-12-15 | Magdalena Szkudlarek Deep Sky Chile - ROTUZ | PlaneWave CDK 20 QHY268M pro / R / 20.0 | -8.04 ± 9.22 | |
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
| LTT1445Ab (HIGH) 2020-11-14 | TESS | -4.16 ± 2.45 | ||
| LTT1445Ab (HIGH) 2020-11-09 | TESS | -2.28 ± 1.15 | ||
| LTT1445Ab (HIGH) 2020-10-29 | TESS | -4.19 ± 2.02 | ||
| LTT1445Ab (HIGH) 2020-10-24 | TESS | 4.39 ± 0.94 | ||
| LTT1445Ab (HIGH) 2018-11-11 | TESS | -1.88 ± 2.3 | ||
| LTT1445Ab (HIGH) 2018-11-06 | TESS | 1.95 ± 1.87 | ||
| LTT1445Ab (HIGH) 2018-10-26 | TESS | -2.49 ± 3.17 | ||
| LTT1445Ab (HIGH) 2018-10-21 | TESS | -2.08 ± 1.41 | ||