This page summarises the information held within TEPCat for the transiting planetary system TOI-172. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2019AJ....157..191R | |
| Date of discovery paper | 2019 / 1 / 29 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 21 06 31.65 | h m s |
| Declination | −26 41 34.3 | d m s |
| Right ascension (decimal) | 316.63188 | degrees |
| Declination (decimal) | -26.69286 | degrees |
| V-band apparent magnitude | 11.38 | mag |
| K-band apparent magnitude | 9.72 | mag |
| Transit duration | 0.1966 ( 4.718 ) | day hour |
| Transit depth | 0.4 | % |
| Time of mid-transit | 2458345.8738 ± 0.0014 | HJD or BJD |
| Orbital period | 9.47721 ± 0.00083 | days |
| Reference for orbital ephemeris | 2019AJ....157..191R |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5640 ± 50 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.14 ± 0.08 | dex |
| Stellar mass | 1.124 +0.063 −0.060 | Msun |
| Stellar radius | 1.774 +0.046 −0.043 | Rsun |
| Stellar logarithmic surface gravity | 3.993 +0.026 −0.027 | c.g.s. |
| Stellar mean density | 0.203 +0.015 −0.016 ( 0.286 +0.021 −0.023 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.3805 +0.0092 −0.0090 | |
| Orbital semimajor axis | 0.0913 ± 0.0017 | AU |
| Planetary mass | 5.41 +0.21 −0.20 ( 1719 +66 −63 ) | Mjup Mearth |
| Planetary radius | 0.965 +0.033 −0.030 ( 10.82 + 0.37 − 0.34 ) | Rjup Rearth |
| Planetary surface gravity | 145 +9 −10 4.16 +0.03 −0.03 | m/s2 log(cgs) |
| Planetary mean density | 5.66 +0.52 −0.54 ( 7.51 +0.69 −0.72 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1198 +18 −17 | K |
| Reference of detailed study | 2019AJ....157..191R |
TOI-172 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/01/01 John Southworth (Keele University, UK)