This page summarises the information held within TEPCat for the transiting planetary system TOI-178b. Please see here for descriptions of the quantities given below.
Quantity | Value | Unit |
---|---|---|
Reference of discovery paper | 2021A+A...649A..26L | |
Date of discovery paper | 2021 / 1 / 25 | y / m / d |
Data/telescope used for discovery | TESS | |
Right ascension | 00 29 12.30 | h m s |
Declination | −30 27 13.5 | d m s |
Right ascension (decimal) | 7.30125 | degrees |
Declination (decimal) | -30.45375 | degrees |
V-band apparent magnitude | 11.95 | mag |
K-band apparent magnitude | 8.76 | mag |
Transit duration | 0.0710 ( 1.704 ) | day hour |
Transit depth | 0.025 | % |
Time of mid-transit | 2458931.1793 ± 0.0011 | HJD or BJD |
Orbital period | 1.9145601 ± 0.0000036 | days |
Reference for orbital ephemeris | 2024A+A...688A.211L |
Quantity | Value | Unit |
---|---|---|
Stellar effective temperature | 4316 ± 70 | K |
Stellar metal abundance ([Fe/H] or [M/H]) | −0.23 ± 0.05 | dex |
Stellar mass | 0.647 +0.030 −0.029 | Msun |
Stellar radius | 0.662 ± 0.010 | Rsun |
Stellar logarithmic surface gravity | 4.45 ± 0.15 | c.g.s. |
Stellar mean density | 2.23 ± 0.14 ( 3.15 ± 0.20 ) | ρsun g cm-3 |
Orbital eccentricity | ||
Orbital semimajor axis | 0.02609 +0.00031 −0.00034 | AU |
Planetary mass | 0.0030 +0.0022 −0.0020 ( 0.95 +0.70 −0.64 ) | Mjup Mearth |
Planetary radius | 0.1071 +0.0037 −0.0033 ( 1.200 +0.041 −0.037 ) | Rjup Rearth |
Planetary surface gravity | m/s2 log(cgs) | |
Planetary mean density | 4.1 +1.5 −1.3 ( 5.4 +2.0 −1.7 ) | ρjup g cm-3 |
Planetary equilibrium temperature | 1040 +22 −21 | K |
Reference of detailed study | 2024A+A...688A.211L |
TOI-178b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/02/12 John Southworth (Keele University, UK)