This page summarises the information held within TEPCat for the transiting planetary system TOI-756b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2025A+A...702A.138P | |
| Date of discovery paper | 2025 / 10 / 17 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 12 48 25.21 | h m s |
| Declination | −45 28 14.2 | d m s |
| Right ascension (decimal) | 192.10504 | degrees |
| Declination (decimal) | -45.47061 | degrees |
| V-band apparent magnitude | 14.61 | mag |
| K-band apparent magnitude | 10.27 | mag |
| Transit duration | 0.046 ( 1.10 ) | day hour |
| Transit depth | 0.03 | % |
| Time of mid-transit | 2458570.65234 ± 0.00036 | HJD or BJD |
| Orbital period | 1.2392495 ± 0.0000007 | days |
| Reference for orbital ephemeris | 2025A+A...702A.138P |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3657 ± 72 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.17 ± 0.08 | dex |
| Stellar mass | 0.505 ± 0.019 | Msun |
| Stellar radius | 0.505 ± 0.015 | Rsun |
| Stellar logarithmic surface gravity | 4.753 ± 0.031 | c.g.s. |
| Stellar mean density | 3.91 +0.40 −0.38 ( 5.52 +0.56 −0.54 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.51 −0.0 | |
| Orbital semimajor axis | 0.0180 ± 0.0002 | AU |
| Planetary mass | 0.0309 +0.0057 −0.0050 ( 9.8 +1.8 −1.6 ) | Mjup Mearth |
| Planetary radius | 0.251 ± 0.009 ( 2.81 ± 0.10 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 1.82 +0.40 −0.34 ( 2.41 +0.53 −0.45 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 934 +23 −24 | K |
| Reference of detailed study | 2025A+A...702A.138P |
TOI-756b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)