This page summarises the information held within TEPCat for the transiting system Kepler-197b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2014ApJ...784...45R | |
| Date of discovery paper | 2014 / 3 / 20 | y / m / d |
| Data/telescope used for discovery | Kepler | |
| Right ascension | 19 40 54.35 | h m s |
| Declination | +50 33 32.3 | d m s |
| Right ascension (decimal) | 295.22646 | degrees |
| Declination (decimal) | 50.55897 | degrees |
| V-band apparent magnitude | 11.90 | mag |
| K-band apparent magnitude | 10.53 | mag |
| Transit duration | 0.1534 ( 3.682 ) | day hour |
| Transit depth | 0.01 | % |
| Time of mid-transit | 2455004.47282 ± 0.00221 | HJD or BJD |
| Orbital period | 5.599308 ± 0.000023 | days |
| Reference for orbital ephemeris | 2014ApJ...784...45R |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6004 ± 102 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.38 ± 0.10 | dex |
| Stellar mass | 0.903 | Msun |
| Stellar radius | 1.120 ± 0.033 | Rsun |
| Stellar logarithmic surface gravity | 4.304 ± 0.053 | c.g.s. |
| Stellar mean density | 0.907 ± 0.052 ( 1.280 ± 0.073 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.091 ± 0.004 ( 1.020 ± 0.045 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2014ApJ...784...45R |
Kepler-197b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)