This page summarises the information held within TEPCat for the transiting planetary system TOI-2109. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2021AJ....162..256W | |
| Date of discovery paper | 2021 / 11 / 24 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 16 52 44.72 | h m s |
| Declination | +16 34 47.8 | d m s |
| Right ascension (decimal) | 253.18633 | degrees |
| Declination (decimal) | 16.57994 | degrees |
| V-band apparent magnitude | 10.22 | mag |
| K-band apparent magnitude | 9.07 | mag |
| Transit duration | 0.08 ( 1.9 ) | day hour |
| Transit depth | 0.6 | % |
| Time of mid-transit | 2459378.459370 ± 0.000059 | HJD or BJD |
| Orbital period | 0.67247397 ± 0.00000009 | days |
| Reference for orbital ephemeris | 2024A+A...692A.254H |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6530 +160 −150 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.068 +0.070 −0.062 | dex |
| Stellar mass | 1.447 +0.075 −0.078 | Msun |
| Stellar radius | 1.698 +0.062 −0.057 | Rsun |
| Stellar logarithmic surface gravity | 4.139 +0.041 −0.046 | c.g.s. |
| Stellar mean density | 0.296 +0.040 −0.038 ( 0.418 +0.056 −0.054 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.01791 ± 0.00065 | AU |
| Planetary mass | 5.02 ± 0.75 ( 15958 ± 2384 ) | Mjup Mearth |
| Planetary radius | 1.347 ± 0.047 ( 15.10 ± 0.53 ) | Rjup Rearth |
| Planetary surface gravity | 69 +12 −10 3.84 +0.07 −0.07 | m/s2 log(cgs) |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 3646 ± 88 | K |
| Reference of detailed study | 2021AJ....162..256W |
| Reference | λ (degrees) |
|---|---|
| Wong et al. (2021) | 1.7 ± 1.7 |
Page generated on 2025/03/24 John Southworth (Keele University, UK)