This page summarises the information held within TEPCat for the transiting planetary system TOI-1839b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | arXiv:2609.05413 | |
| Date of discovery paper | 2026 / 9 / 7 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 13 07 19.95 | h m s |
| Declination | +05 51 07.3 | d m s |
| Right ascension (decimal) | 196.83312 | degrees |
| Declination (decimal) | 5.85203 | degrees |
| V-band apparent magnitude | 11.01 | mag |
| K-band apparent magnitude | 9.04 | mag |
| Transit duration | 0.0796 ( 1.910 ) | day hour |
| Transit depth | 0.05 | % |
| Time of mid-transit | 2459690.2390 ± 0.0011 | HJD or BJD |
| Orbital period | 1.4237828 ± 0.0000045 | days |
| Reference for orbital ephemeris | arXiv:2609.05413 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5347 ± 67 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.09 ± 0.06 | dex |
| Stellar mass | 0.86 ± 0.01 | Msun |
| Stellar radius | 0.89 ± 0.03 | Rsun |
| Stellar logarithmic surface gravity | 4.51 ± 0.03 | c.g.s. |
| Stellar mean density | 1.22 ± 0.10 ( 1.72 ± 0.14 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.02355 ± 0.00009 | AU |
| Planetary mass | 0.0223 ± 0.0025 ( 7.09 ± 0.79 ) | Mjup Mearth |
| Planetary radius | 0.203 ± 0.009 ( 2.28 ± 0.10 ) | Rjup Rearth |
| Planetary surface gravity | 13.5 +2.0 −1.8 3.13 +0.06 −0.06 | m/s2 log(cgs) |
| Planetary mean density | 2.52 +0.48 −0.41 ( 3.34 +0.64 −0.54 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1585 ± 33 | K |
| Reference of detailed study | arXiv:2609.05413 |
TOI-1839b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/09/09 John Southworth (Keele University, UK)