This page summarises the information held within TEPCat for the transiting planetary system Kepler-538. 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 / 11 | y / m / d |
| Data/telescope used for discovery | Kepler | |
| Right ascension | 19 49 56.85 | h m s |
| Declination | +49 37 24.4 | d m s |
| Right ascension (decimal) | 297.48687 | degrees |
| Declination (decimal) | 49.62344 | degrees |
| V-band apparent magnitude | 11.27 | mag |
| K-band apparent magnitude | 9.65 | mag |
| Transit duration | 0.276 ( 6.62 ) | day hour |
| Transit depth | 0.05 | % |
| Time of mid-transit | 2454962.94024 ± 0.00074 | HJD or BJD |
| Orbital period | 81.737980 ± 0.000073 | days |
| Reference for orbital ephemeris | 2021MNRAS.503.4092B |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5547 ± 50 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.03 ± 0.08 | dex |
| Stellar mass | 0.892 +0.051 −0.035 | Msun |
| Stellar radius | 0.8717 +0.0064 −0.0061 | Rsun |
| Stellar logarithmic surface gravity | 4.51 ± 0.10 | c.g.s. |
| Stellar mean density | 1.349 +0.089 −0.072 ( 1.90 +0.13 −0.10 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.041 +0.034 −0.029 | |
| Orbital semimajor axis | 0.4669 +0.0087 −0.0090 | AU |
| Planetary mass | 0.0333 +0.0079 −0.0075 ( 10.6 +2.5 −2.4 ) | Mjup Mearth |
| Planetary radius | 0.1976 +0.0036 −0.0030 ( 2.215 +0.040 −0.034 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 4.1 ± 1.0 ( 5.4 ± 1.3 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 380 | K |
| Reference of detailed study | 2019AJ....158..165M |
Kepler-538 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/01/01 John Southworth (Keele University, UK)