This page summarises the information held within TEPCat for the transiting system Kepler-489b. 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 23 19.95 | h m s |
| Declination | +38 11 03.6 | d m s |
| Right ascension (decimal) | 290.83312 | degrees |
| Declination (decimal) | 38.18433 | degrees |
| V-band apparent magnitude | 14.27 | mag |
| K-band apparent magnitude | 11.96 | mag |
| Transit duration | 0.1645 ( 3.948 ) | day hour |
| Transit depth | 1.05 | % |
| Time of mid-transit | 2454966.83917 ± 0.00011 | HJD or BJD |
| Orbital period | 17.2762967 ± 0.0000024 | days |
| Reference for orbital ephemeris | 2016ApJ...822...86M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5014 +70 −58 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.00 ± 0.10 | dex |
| Stellar mass | 0.820 +0.030 −0.180 | Msun |
| Stellar radius | 0.760 ± 0.020 | Rsun |
| Stellar logarithmic surface gravity | 4.590 ± 0.010 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | ||
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.652 +0.042 −0.027 ( 7.31 +0.47 −0.30 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 538 | K |
| Reference of detailed study | 2016ApJ...822...86M |
Kepler-489b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)