This page summarises the information held within TEPCat for the transiting planetary system TOI-3474. 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 | 15 34 00.80 | h m s |
| Declination | −47 57 49.2 | d m s |
| Right ascension (decimal) | 233.50333 | degrees |
| Declination (decimal) | -47.96367 | degrees |
| V-band apparent magnitude | 12.66 | mag |
| K-band apparent magnitude | 10.94 | mag |
| Transit duration | 0.1584 ( 3.802 ) | day hour |
| Transit depth | 1.2 | % |
| Time of mid-transit | 2459793.16816 ± 0.00043 | HJD or BJD |
| Orbital period | 3.8795105 ± 0.0000046 | days |
| Reference for orbital ephemeris | 2025ApJS..280...30Y |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6130 ± 210 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.157 +0.082 −0.084 | dex |
| Stellar mass | 1.173 +0.092 −0.076 | Msun |
| Stellar radius | 1.234 ± 0.036 | Rsun |
| Stellar logarithmic surface gravity | 4.324 +0.044 −0.041 | c.g.s. |
| Stellar mean density | 0.624 +0.071 −0.078 ( 0.88 +0.10 −0.11 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.09 +0.06 −0.13 | |
| Orbital semimajor axis | 0.0510 +0.0014 −0.0011 | AU |
| Planetary mass | 0.61 ± 0.15 ( 193 ± 47 ) | Mjup Mearth |
| Planetary radius | 1.288 ± 0.041 ( 14.44 ± 0.46 ) | Rjup Rearth |
| Planetary surface gravity | 9.1 +3.2 −1.9 3.0 +0.1 −0.1 | m/s2 log(cgs) |
| Planetary mean density | 0.27 ± 0.07 ( 0.358 ± 0.093 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1455 +36 −38 | K |
| Reference of detailed study | 2025ApJS..280...30Y |
TOI-3474 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)