This page summarises the information held within TEPCat for the transiting planetary system HD 109833b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2023AJ....165...85W | |
| Date of discovery paper | 2022 / 12 / 8 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 12 39 06.40 | h m s |
| Declination | −74 34 26.4 | d m s |
| Right ascension (decimal) | 189.77667 | degrees |
| Declination (decimal) | -74.57400 | degrees |
| V-band apparent magnitude | 9.31 | mag |
| K-band apparent magnitude | 7.82 | mag |
| Transit duration | 0.12 ( 2.9 ) | day hour |
| Transit depth | 0.05 | % |
| Time of mid-transit | 2458604.57374 ± 0.00094 | HJD or BJD |
| Orbital period | 9.188526 ± 0.000025 | days |
| Reference for orbital ephemeris | 2023AJ....165...85W |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5881 ± 50 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.07 ± 0.08 | dex |
| Stellar mass | 1.08 ± 0.05 | Msun |
| Stellar radius | 1.00 ± 0.04 | Rsun |
| Stellar logarithmic surface gravity | 4.45 ± 0.10 | c.g.s. |
| Stellar mean density | 1.08 ± 0.17 ( 1.52 ± 0.24 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.18 +0.24 −0.12 | |
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.258 +0.014 −0.011 ( 2.89 +0.16 −0.12 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2023AJ....165...85W |
HD 109833b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/04 John Southworth (Keele University, UK)