This page summarises the information held within TEPCat for the transiting system Kepler-389b. 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 27 50.40 | h m s |
| Declination | +44 54 00.1 | d m s |
| Right ascension (decimal) | 291.96000 | degrees |
| Declination (decimal) | 44.90003 | degrees |
| V-band apparent magnitude | 16.00 | mag |
| K-band apparent magnitude | 13.89 | mag |
| Transit duration | 0.0873 ( 2.095 ) | day hour |
| Transit depth | 0.04 | % |
| Time of mid-transit | 2454965.94408 ± 0.00642 | HJD or BJD |
| Orbital period | 3.244107 ± 0.000030 | days |
| Reference for orbital ephemeris | 2014ApJ...784...45R |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5376 ± 250 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.19 ± 0.50 | dex |
| Stellar mass | 0.847 | Msun |
| Stellar radius | 0.792 ± 0.402 | Rsun |
| Stellar logarithmic surface gravity | 4.570 ± 0.300 | c.g.s. |
| Stellar mean density | 2.405 ± 0.948 ( 3.4 ± 1.3 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.135 ± 0.069 ( 1.51 ± 0.77 ) | 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-389b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)