This page summarises the information held within TEPCat for the transiting planetary system TOI-3523. 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 | 20 17 08.03 | h m s |
| Declination | +42 54 23.5 | d m s |
| Right ascension (decimal) | 304.28346 | degrees |
| Declination (decimal) | 42.90653 | degrees |
| V-band apparent magnitude | 12.76 | mag |
| K-band apparent magnitude | 11.15 | mag |
| Transit duration | 0.15205 ( 3.6492 ) | day hour |
| Transit depth | 1.0 | % |
| Time of mid-transit | 2460417.45562 ± 0.00014 | HJD or BJD |
| Orbital period | 2.30458951 ± 0.00000083 | days |
| Reference for orbital ephemeris | 2025ApJS..280...30Y |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6430 ± 130 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.368 +0.080 −0.076 | dex |
| Stellar mass | 1.117 +0.086 −0.085 | Msun |
| Stellar radius | 1.458 +0.043 −0.049 | Rsun |
| Stellar logarithmic surface gravity | 4.161 +0.040 −0.028 | c.g.s. |
| Stellar mean density | 0.363 +0.040 −0.029 ( 0.512 +0.056 −0.041 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.032 +0.022 −0.039 | |
| Orbital semimajor axis | 0.03544 +0.00094 −0.00088 | AU |
| Planetary mass | 1.29 +0.13 −0.12 ( 410 +41 −38 ) | Mjup Mearth |
| Planetary radius | 1.435 +0.044 −0.049 ( 16.08 + 0.49 − 0.55 ) | Rjup Rearth |
| Planetary surface gravity | 15.5 +2.1 −1.4 3.19 +0.06 −0.04 | m/s2 log(cgs) |
| Planetary mean density | 0.41 +0.06 −0.05 ( 0.544 +0.080 −0.066 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1988 +34 −35 | K |
| Reference of detailed study | 2025ApJS..280...30Y |
TOI-3523 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)