This page summarises the information held within TEPCat for the transiting planetary system TOI-451d. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2021AJ....161...65N | |
| Date of discovery paper | 2021 / 2 / 12 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 04 11 51.95 | h m s |
| Declination | −37 56 23.2 | d m s |
| Right ascension (decimal) | 62.96646 | degrees |
| Declination (decimal) | -37.93978 | degrees |
| V-band apparent magnitude | 11.02 | mag |
| K-band apparent magnitude | 9.19 | mag |
| Transit duration | 0.171 ( 4.10 ) | day hour |
| Transit depth | 0.18 | % |
| Time of mid-transit | 2460314.9694 ± 0.0014 | HJD or BJD |
| Orbital period | 16.364962 ± 0.000015 | days |
| Reference for orbital ephemeris | arXiv:2601.09438 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5490 ± 115 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.02 ± 0.06 | dex |
| Stellar mass | 0.93 ± 0.04 | Msun |
| Stellar radius | 0.85 ± 0.03 | Rsun |
| Stellar logarithmic surface gravity | 4.53 ± 0.22 | c.g.s. |
| Stellar mean density | 1.52 ± 0.18 ( 2.14 ± 0.25 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.1168 +0.0072 −0.0074 | AU |
| Planetary mass | 0.031 ± 0.014 ( 9.9 ± 4.5 ) | Mjup Mearth |
| Planetary radius | 0.351 ± 0.018 ( 3.93 ± 0.20 ) | Rjup Rearth |
| Planetary surface gravity | 0.65 +0.31 −0.29 1.8 +0.2 −0.3 | m/s2 log(cgs) |
| Planetary mean density | 0.7 ± 0.3 ( 0.93 ± 0.40 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 714 +22 −19 | K |
| Reference of detailed study | arXiv:2601.09438 |
TOI-451d does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)