This page summarises the information held within TEPCat for the transiting planetary system TOI-3884. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2022A+A...667L..11A | |
| Date of discovery paper | 2022 / 10 / 21 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 12 06 17.44 | h m s |
| Declination | +12 30 24.9 | d m s |
| Right ascension (decimal) | 181.57267 | degrees |
| Declination (decimal) | 12.50692 | degrees |
| V-band apparent magnitude | 15.74 | mag |
| K-band apparent magnitude | 10.24 | mag |
| Transit duration | 0.0676 ( 1.622 ) | day hour |
| Transit depth | 4.0 | % |
| Time of mid-transit | 2460351.818108 ± 0.000070 | HJD or BJD |
| Orbital period | 4.54458373 ± 0.00000067 | days |
| Reference for orbital ephemeris | 2025A+A...702A.100C |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3180 ± 88 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.04 ± 0.12 | dex |
| Stellar mass | 0.298 ± 0.018 | Msun |
| Stellar radius | 0.302 ± 0.012 | Rsun |
| Stellar logarithmic surface gravity | 4.97 ± 0.05 | c.g.s. |
| Stellar mean density | 10.8 ± 1.4 ( 15.2 ± 2.0 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.06 +0.06 −0.04 | |
| Orbital semimajor axis | 0.0361 ± 0.0008 | AU |
| Planetary mass | 0.103 ± 0.023 ( 32.7 ± 7.3 ) | Mjup Mearth |
| Planetary radius | 0.574 ± 0.018 ( 6.43 ± 0.20 ) | Rjup Rearth |
| Planetary surface gravity | 4.1 +0.9 −0.8 2.61 +0.09 −0.09 | m/s2 log(cgs) |
| Planetary mean density | 0.51 +0.14 −0.12 ( 0.68 +0.19 −0.16 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 441 ± 15 | K |
| Reference of detailed study | 2023AJ....165..249L |
| Reference | λ (degrees) |
|---|---|
| Libby-Roberts et al.(2023) | 75 ± 10 |
| Mori et al. (2025) | 139.0 + 9.0 - 3.7 |
| Tamburo et al. (2025) | 305.1 + 5.4 - 5.3 |
| Chakraborty et al. (2025) | 37.3 ± 1.5 |
Page generated on 2026/01/29 John Southworth (Keele University, UK)