This page summarises the information held within TEPCat for the transiting planetary system TOI-1803c. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | arXiv:2412.05423 | |
| Date of discovery paper | 2024 / 12 / 10 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 11 52 11.17 | h m s |
| Declination | +35 10 18.4 | d m s |
| Right ascension (decimal) | 178.04654 | degrees |
| Declination (decimal) | 35.17178 | degrees |
| V-band apparent magnitude | 11.87 | mag |
| K-band apparent magnitude | 9.66 | mag |
| Transit duration | 0.0998 ( 2.395 ) | day hour |
| Transit depth | 0.3 | % |
| Time of mid-transit | 2458911.6747 ± 0.0019 | HJD or BJD |
| Orbital period | 12.885779 ± 0.000036 | days |
| Reference for orbital ephemeris | arXiv:2412.05423 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4687 ± 65 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.014 ± 0.060 | dex |
| Stellar mass | 0.756 +0.050 −0.042 | Msun |
| Stellar radius | 0.715 ± 0.005 | Rsun |
| Stellar logarithmic surface gravity | 4.62 ± 0.10 | c.g.s. |
| Stellar mean density | 2.03 ± 0.13 ( 2.86 ± 0.18 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.1135 +0.0064 −0.0318 | |
| Orbital semimajor axis | 0.097 ± 0.002 | AU |
| Planetary mass | 0.019 ± 0.009 ( 6.0 ± 2.9 ) | Mjup Mearth |
| Planetary radius | 0.383 ± 0.007 ( 4.293 ± 0.078 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 0.31 ± 0.16 ( 0.41 ± 0.21 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 588 ± 10 | K |
| Reference of detailed study | arXiv:2412.05423 |
TOI-1803c does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/24 John Southworth (Keele University, UK)