This page summarises the information held within TEPCat for the transiting planetary system TOI-2154. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2023MNRAS.521.2765R | |
| Date of discovery paper | 2022 / 5 / 13 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 04 44 06.87 | h m s |
| Declination | +84 21 51.1 | d m s |
| Right ascension (decimal) | 71.02863 | degrees |
| Declination (decimal) | 84.36419 | degrees |
| V-band apparent magnitude | 11.07 | mag |
| K-band apparent magnitude | 9.85 | mag |
| Transit duration | 0.1027 ( 2.465 ) | day hour |
| Transit depth | 1.1 | % |
| Time of mid-transit | 2459148.6017 ± 0.0009 | HJD or BJD |
| Orbital period | 3.8240801 ± 0.0000025 | days |
| Reference for orbital ephemeris | 2023MNRAS.521.2765R |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6280 ± 160 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.011 +0.071 −0.059 | dex |
| Stellar mass | 1.233 +0.077 −0.090 | Msun |
| Stellar radius | 1.396 +0.049 −0.043 | Rsun |
| Stellar logarithmic surface gravity | 4.239 +0.042 −0.051 | c.g.s. |
| Stellar mean density | 0.453 +0.060 −0.062 ( 0.639 +0.085 −0.087 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.12 +0.10 −0.07 | |
| Orbital semimajor axis | 0.0513 +0.0011 −0.0013 | AU |
| Planetary mass | 0.92 +0.19 −0.18 ( 292 +60 −57 ) | Mjup Mearth |
| Planetary radius | 1.453 +0.053 −0.048 ( 16.29 + 0.59 − 0.54 ) | Rjup Rearth |
| Planetary surface gravity | 10.8 +2.4 −2.2 3.03 +0.09 −0.10 | m/s2 log(cgs) |
| Planetary mean density | 0.279 +0.069 −0.061 ( 0.370 +0.092 −0.081 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1580 ± 27 | K |
| Reference of detailed study | 2023MNRAS.521.2765R |
TOI-2154 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/04/12 John Southworth (Keele University, UK)