This page summarises the information held within TEPCat for the transiting system Kepler-838b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2016ApJ...822...86M | |
| Date of discovery paper | 2016 / 5 / 10 | y / m / d |
| Data/telescope used for discovery | Kepler | |
| Right ascension | 19 01 44.52 | h m s |
| Declination | +45 58 33.6 | d m s |
| Right ascension (decimal) | 285.43550 | degrees |
| Declination (decimal) | 45.97600 | degrees |
| V-band apparent magnitude | 15.43 | mag |
| K-band apparent magnitude | 13.76 | mag |
| Transit duration | 0.1945 ( 4.668 ) | day hour |
| Transit depth | 0.07 | % |
| Time of mid-transit | 2454983.24579 ± 0.00200 | HJD or BJD |
| Orbital period | 15.7495858 ± 0.0000470 | days |
| Reference for orbital ephemeris | 2016ApJ...822...86M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5770 +68 −67 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.06 +0.15 −0.19 | dex |
| Stellar mass | 0.980 +0.050 −0.040 | Msun |
| Stellar radius | 0.960 +0.130 −0.080 | Rsun |
| Stellar logarithmic surface gravity | 4.460 +0.060 −0.110 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | ||
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.247 +0.079 −0.027 ( 2.77 +0.89 −0.30 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 777 | K |
| Reference of detailed study | 2016ApJ...822...86M |
Kepler-838b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)