This page summarises the information held within TEPCat for the transiting planetary system TOI-1859. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2023ApJ...951L..29D | |
| Date of discovery paper | 2023 / 5 / 29 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 18 39 19.62 | h m s |
| Declination | +69 31 22.3 | d m s |
| Right ascension (decimal) | 279.83175 | degrees |
| Declination (decimal) | 69.52286 | degrees |
| V-band apparent magnitude | 10.33 | mag |
| K-band apparent magnitude | 9.24 | mag |
| Transit duration | 0.2 ( 5. ) | day hour |
| Transit depth | 0.4 | % |
| Time of mid-transit | 2458662.6558 ± 0.0014 | HJD or BJD |
| Orbital period | 63.48347 ± 0.00010 | days |
| Reference for orbital ephemeris | 2023ApJ...951L..29D |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6341 +68 −70 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.120 +0.054 −0.056 | dex |
| Stellar mass | 1.287 ± 0.061 | Msun |
| Stellar radius | 1.36 +0.10 −0.12 | Rsun |
| Stellar logarithmic surface gravity | 4.285 +0.069 −0.067 | c.g.s. |
| Stellar mean density | 0.52 +0.15 −0.11 ( 0.73 +0.21 −0.16 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.57 +0.12 −0.16 | |
| Orbital semimajor axis | 0.337 +0.044 −0.036 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.87 ± 0.07 ( 9.75 ± 0.78 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2023ApJ...951L..29D |
| Reference | λ (degrees) |
|---|---|
| Dong et al. (2023) | 38.9 + 2.8 - 2.7 |
Page generated on 2025/08/27 John Southworth (Keele University, UK)