This page summarises the information held within TEPCat for the transiting planetary system Kepler-42b. Please see here for descriptions of the quantities given below.
Quantity | Value | Unit |
---|---|---|
Reference of discovery paper | 2012ApJ...747..144M | |
Date of discovery paper | 2012 / 1 / 11 | y / m / d |
Data/telescope used for discovery | Kepler | |
Right ascension | 19 28 52.57 | h m s |
Declination | +44 37 09.0 | d m s |
Right ascension (decimal) | 292.21904 | degrees |
Declination (decimal) | 44.61917 | degrees |
V-band apparent magnitude | 16.12 | mag |
K-band apparent magnitude | 11.46 | mag |
Transit duration | 0.022 ( 0.53 ) | day hour |
Transit depth | 0.19 | % |
Time of mid-transit | 2454964.64297 ± 0.00021 | HJD or BJD |
Orbital period | 1.21377060 ± 0.00000024 | days |
Reference for orbital ephemeris | 2017AJ....153..267M |
Quantity | Value | Unit |
---|---|---|
Stellar effective temperature | 3258 ± 21 | K |
Stellar metal abundance ([Fe/H] or [M/H]) | −0.50 ± 0.09 | dex |
Stellar mass | 0.144 +0.007 −0.006 | Msun |
Stellar radius | 0.141 ± 0.008 | Rsun |
Stellar logarithmic surface gravity | c.g.s. | |
Stellar mean density | 26.8 +1.8 −1.7 ( 37.8 + 2.5 − 2.4 ) | ρsun g cm-3 |
Orbital eccentricity | 0.0 +0.24 −0.0 | |
Orbital semimajor axis | AU | |
Planetary mass | 0.0 +0.0086 −0.0 ( 0.0 +2.7 −0.0 ) | Mjup Mearth |
Planetary radius | 0.068 ± 0.003 ( 0.762 ± 0.034 ) | Rjup Rearth |
Planetary surface gravity | m/s2 log(cgs) | |
Planetary mean density | ρjup g cm-3 | |
Planetary equilibrium temperature | K | |
Reference of detailed study | 2017AJ....153..267M |
Kepler-42b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/02/12 John Southworth (Keele University, UK)