This page summarises the information held within TEPCat for the transiting brown dwarf system Kepler-492. Please see here for descriptions of the quantities given below.
Quantity | Value | Unit |
---|---|---|
Reference of discovery paper | 2013A+A...551L...9D | |
Date of discovery paper | 2013 / 2 / 13 | y / m / d |
Data/telescope used for discovery | Kepler | |
Right ascension | 19 41 59.20 | h m s |
Declination | +42 32 16.4 | d m s |
Right ascension (decimal) | 295.49667 | degrees |
Declination (decimal) | 42.53789 | degrees |
V-band apparent magnitude | 14.76 | mag |
K-band apparent magnitude | 12.66 | mag |
Transit duration | 0.1279 ( 3.070 ) | day hour |
Transit depth | 1.0 | % |
Time of mid-transit | 2455186.13609 ± 0.00016 | HJD or BJD |
Orbital period | 11.720126 ± 0.000011 | days |
Reference for orbital ephemeris | 2015A+A...575A..85B |
Quantity | Value | Unit |
---|---|---|
Stellar effective temperature | 5238 ± 87 | K |
Stellar metal abundance ([Fe/H] or [M/H]) | +0.15 ± 0.14 | dex |
Stellar mass | 0.88 ± 0.05 | Msun |
Stellar radius | 0.90 ± 0.03 | Rsun |
Stellar logarithmic surface gravity | 4.558 ± 0.014 | c.g.s. |
Stellar mean density | 1.53 ± 0.08 ( 2.16 ± 0.11 ) | ρsun g cm-3 |
Orbital eccentricity | 0.026 ± 0.018 | |
Orbital semimajor axis | 0.1010 ± 0.0010 | AU |
Planetary mass | 39.7 ± 2.1 ( 126202 ± 6676 ) | Mjup Mearth |
Planetary radius | 0.87 ± 0.02 ( 9.75 ± 0.22 ) | Rjup Rearth |
Planetary surface gravity | m/s2 log(cgs) | |
Planetary mean density | 68.5 +5.4 −5.1 ( 90.9 + 7.2 − 6.8 ) | ρjup g cm-3 |
Planetary equilibrium temperature | 737 ± 31 | K |
Reference of detailed study | 2023MNRAS.519.5177C |
Kepler-492 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/02/12 John Southworth (Keele University, UK)