This page summarises the information held within TEPCat for the transiting planetary system L98-59d. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2019AJ....158...32K | |
| Date of discovery paper | 2019 / 3 / 20 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 08 18 07.62 | h m s |
| Declination | −68 18 46.8 | d m s |
| Right ascension (decimal) | 124.53175 | degrees |
| Declination (decimal) | -68.31300 | degrees |
| V-band apparent magnitude | 11.69 | mag |
| K-band apparent magnitude | 7.10 | mag |
| Transit duration | 0.0350 ( 0.840 ) | day hour |
| Transit depth | 0.17 | % |
| Time of mid-transit | 2458362.7400 ± 0.0003 | HJD or BJD |
| Orbital period | 7.450729 ± 0.000002 | days |
| Reference for orbital ephemeris | arXiv:2507.09343 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3415 ± 60 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.46 ± 0.26 | dex |
| Stellar mass | 0.2923 ± 0.0067 | Msun |
| Stellar radius | 0.3155 ± 0.0062 | Rsun |
| Stellar logarithmic surface gravity | 4.91 ± 0.02 | c.g.s. |
| Stellar mean density | 9.21 +0.8 −0.6 ( 13.00 + 1.13 − 0.85 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.006 +0.007 −0.004 | |
| Orbital semimajor axis | 0.0494 ± 0.0016 | AU |
| Planetary mass | 0.0052 ± 0.0002 ( 1.653 ± 0.064 ) | Mjup Mearth |
| Planetary radius | 0.1452 ± 0.0037 ( 1.628 ± 0.041 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 1.66 ± 0.15 ( 2.20 ± 0.20 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 416 ± 9 | K |
| Reference of detailed study | arXiv:2507.09343 |
L98-59d does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)