This page summarises the information held within TEPCat for the transiting planetary system L98-59b. 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 | 0.0413 ( 0.991 ) | day hour |
| Transit depth | 0.06 | % |
| Time of mid-transit | 2458366.17067 ± 0.00035 | HJD or BJD |
| Orbital period | 2.2531136 ± 0.0000014 | days |
| Reference for orbital ephemeris | 2021A+A...653A..41D |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3412 ± 49 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.46 ± 0.26 | dex |
| Stellar mass | 0.273 ± 0.030 | Msun |
| Stellar radius | 0.303 +0.026 −0.023 | Rsun |
| Stellar logarithmic surface gravity | 4.86 ± 0.13 | c.g.s. |
| Stellar mean density | 9.15 +1.8 −1.4 ( 12.9 + 2.5 − 2.0 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.103 +0.117 −0.045 | |
| Orbital semimajor axis | 0.02191 +0.00080 −0.00084 | AU |
| Planetary mass | 0.0015 ± 0.0004 ( 0.48 ± 0.13 ) | Mjup Mearth |
| Planetary radius | 0.0758 +0.0054 −0.0042 ( 0.850 +0.061 −0.047 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 2.7 ± 1.1 ( 3.6 ± 1.5 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 627 +33 −36 | K |
| Reference of detailed study | 2024MNRAS.530.4665R |
L98-59b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/12 John Southworth (Keele University, UK)