This page summarises the information held within TEPCat for the transiting planetary system TOI-1533b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | arXiv:2606.30799 | |
| Date of discovery paper | 2026 / 7 / 1 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 23 40 59.21 | h m s |
| Declination | +57 29 06.9 | d m s |
| Right ascension (decimal) | 355.24671 | degrees |
| Declination (decimal) | 57.48525 | degrees |
| V-band apparent magnitude | 10.98 | mag |
| K-band apparent magnitude | 8.83 | mag |
| Transit duration | 0.0863 ( 2.071 ) | day hour |
| Transit depth | 0.1 | % |
| Time of mid-transit | 2459877.6762 ± 0.0005 | HJD or BJD |
| Orbital period | 3.6457974 ± 0.0000034 | days |
| Reference for orbital ephemeris | arXiv:2606.30799 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5146 ± 81 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.24 ± 0.06 | dex |
| Stellar mass | 0.88 ± 0.04 | Msun |
| Stellar radius | 0.849 ± 0.004 | Rsun |
| Stellar logarithmic surface gravity | 4.50 ± 0.15 | c.g.s. |
| Stellar mean density | 1.44 ± 0.07 ( 2.032 ± 0.099 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.0445 ± 0.0008 | AU |
| Planetary mass | 0.088 +0.010 −0.011 ( 28.0 +3.2 −3.5 ) | Mjup Mearth |
| Planetary radius | 0.258 ± 0.005 ( 2.892 ± 0.056 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 4.9 ± 0.7 ( 6.50 ± 0.93 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | arXiv:2606.30799 |
TOI-1533b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/07/02 John Southworth (Keele University, UK)