This page summarises the information held within TEPCat for the transiting planetary system LP 791-18c. Please see here for descriptions of the quantities given below.
Quantity | Value | Unit |
---|---|---|
Reference of discovery paper | 2019ApJ...883L..16C | |
Date of discovery paper | 2019 / 6 / 25 | y / m / d |
Data/telescope used for discovery | TESS | |
Right ascension | 11 02 45.96 | h m s |
Declination | −16 24 22.3 | d m s |
Right ascension (decimal) | 165.69150 | degrees |
Declination (decimal) | -16.40619 | degrees |
V-band apparent magnitude | 16.9 | mag |
K-band apparent magnitude | 10.64 | mag |
Transit duration | 0.0503 ( 1.207 ) | day hour |
Transit depth | 0.4 | % |
Time of mid-transit | 2458651.29807 ± 0.00041 | HJD or BJD |
Orbital period | 4.989963 ± 0.000050 | days |
Reference for orbital ephemeris | 2019ApJ...883L..16C |
Quantity | Value | Unit |
---|---|---|
Stellar effective temperature | 2960 ± 55 | K |
Stellar metal abundance ([Fe/H] or [M/H]) | −0.09 ± 0.19 | dex |
Stellar mass | 0.139 ± 0.005 | Msun |
Stellar radius | 0.171 ± 0.018 | Rsun |
Stellar logarithmic surface gravity | 5.115 ± 0.094 | c.g.s. |
Stellar mean density | ρsun g cm-3 | |
Orbital eccentricity | ||
Orbital semimajor axis | 0.02939 +0.00098 −0.00105 | AU |
Planetary mass | Mjup Mearth | |
Planetary radius | 0.206 ± 0.022 ( 2.31 ± 0.25 ) | Rjup Rearth |
Planetary surface gravity | m/s2 log(cgs) | |
Planetary mean density | ρjup g cm-3 | |
Planetary equilibrium temperature | 370 ± 30 | K |
Reference of detailed study | 2019ApJ...883L..16C |
LP 791-18c does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/02/12 John Southworth (Keele University, UK)