This page summarises the information held within TEPCat for the transiting planetary system TOI-1439. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | arXiv:2402.07893 | |
| Date of discovery paper | 2024 / 2 / 13 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 16 07 03.35 | h m s |
| Declination | +67 52 39.8 | d m s |
| Right ascension (decimal) | 241.76396 | degrees |
| Declination (decimal) | 67.87772 | degrees |
| V-band apparent magnitude | 10.55 | mag |
| K-band apparent magnitude | 9.05 | mag |
| Transit duration | 0.25 ( 6.0 ) | day hour |
| Transit depth | 0.3 | % |
| Time of mid-transit | 2458703.4752 ± 0.0023 | HJD or BJD |
| Orbital period | 27.643927 ± 0.000090 | days |
| Reference for orbital ephemeris | arXiv:2402.07893 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5843 ± 90 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.22 ± 0.08 | dex |
| Stellar mass | 1.23 +0.04 −0.09 | Msun |
| Stellar radius | 1.61 ± 0.03 | Rsun |
| Stellar logarithmic surface gravity | 4.02 ± 0.01 | c.g.s. |
| Stellar mean density | 0.87 +0.03 −0.06 ( 1.228 +0.042 −0.085 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.15 ± 0.07 | |
| Orbital semimajor axis | AU | |
| Planetary mass | 0.121 ± 0.017 ( 38.5 ± 5.4 ) | Mjup Mearth |
| Planetary radius | 0.370 ± 0.016 ( 4.15 ± 0.18 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 2.22 ± 0.43 ( 2.94 ± 0.57 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | arXiv:2402.07893 |
TOI-1439 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)