This page summarises the information held within TEPCat for the transiting brown dwarf system TOI-7154. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | arXiv:2605.23469 | |
| Date of discovery paper | 2026 / 5 / 25 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 17 38 16.88 | h m s |
| Declination | +15 12 41.7 | d m s |
| Right ascension (decimal) | 264.57033 | degrees |
| Declination (decimal) | 15.21158 | degrees |
| V-band apparent magnitude | 12.63 | mag |
| K-band apparent magnitude | 10.86 | mag |
| Transit duration | 0.1164 ( 2.794 ) | day hour |
| Transit depth | 0.8 | % |
| Time of mid-transit | 2460464.0510 ± 0.0022 | HJD or BJD |
| Orbital period | 8.860073 ± 0.000029 | days |
| Reference for orbital ephemeris | arXiv:2605.23469 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5589 ± 50 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.14 ± 0.08 | dex |
| Stellar mass | 0.939 +0.047 −0.043 | Msun |
| Stellar radius | 0.949 +0.032 −0.030 | Rsun |
| Stellar logarithmic surface gravity | 4.456 ± 0.036 | c.g.s. |
| Stellar mean density | 1.10 +0.13 −0.11 ( 1.55 +0.18 −0.16 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.2482 ± 0.0024 | |
| Orbital semimajor axis | 0.0840 +0.0014 −0.0013 | AU |
| Planetary mass | 71.7 +2.4 −2.2 ( 227927 +7629 −6994 ) | Mjup Mearth |
| Planetary radius | 0.827 +0.040 −0.037 ( 9.27 +0.45 −0.41 ) | Rjup Rearth |
| Planetary surface gravity | 2600 +280 −250 5.41 +0.04 −0.04 | m/s2 log(cgs) |
| Planetary mean density | 118 +18 −17 ( 156 + 23 − 22 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 902 +12 −13 | K |
| Reference of detailed study | arXiv:2605.23469 |
TOI-7154 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/05/25 John Southworth (Keele University, UK)