This page summarises the information held within TEPCat for the transiting planetary system TOI-3980. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2025ApJS..280...30Y | |
| Date of discovery paper | 2025 / 7 / 3 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 00 51 22.07 | h m s |
| Declination | +59 34 33.1 | d m s |
| Right ascension (decimal) | 12.84196 | degrees |
| Declination (decimal) | 59.57586 | degrees |
| V-band apparent magnitude | 12.58 | mag |
| K-band apparent magnitude | 10.74 | mag |
| Transit duration | 0.0970 ( 2.328 ) | day hour |
| Transit depth | 0.7 | % |
| Time of mid-transit | 2459543.3304 ± 0.0015 | HJD or BJD |
| Orbital period | 3.6089255 ± 0.0000030 | days |
| Reference for orbital ephemeris | 2025ApJS..280...30Y |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5800 ± 140 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.182 ± 0.085 | dex |
| Stellar mass | 1.17 +0.09 −0.12 | Msun |
| Stellar radius | 1.645 +0.055 −0.059 | Rsun |
| Stellar logarithmic surface gravity | 4.081 +0.060 −0.052 | c.g.s. |
| Stellar mean density | 0.267 +0.041 −0.043 ( 0.377 +0.058 −0.061 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.117 +0.078 −0.093 | |
| Orbital semimajor axis | 0.0486 +0.0013 −0.0016 | AU |
| Planetary mass | 0.60 +0.17 −0.19 ( 190 +54 −60 ) | Mjup Mearth |
| Planetary radius | 1.30 +0.08 −0.13 ( 14.57 + 0.90 − 1.46 ) | Rjup Rearth |
| Planetary surface gravity | 8.7 +4.8 −2.4 2.9 +0.2 −0.1 | m/s2 log(cgs) |
| Planetary mean density | 0.23 +0.11 −0.10 ( 0.31 +0.15 −0.13 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1624 +28 −29 | K |
| Reference of detailed study | 2025ApJS..280...30Y |
TOI-3980 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)