This page summarises the information held within TEPCat for the transiting system Kepler-889b. 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 25 52.15 | h m s |
| Declination | +50 45 34.1 | d m s |
| Right ascension (decimal) | 291.46729 | degrees |
| Declination (decimal) | 50.75947 | degrees |
| V-band apparent magnitude | 12.82 | mag |
| K-band apparent magnitude | 11.33 | mag |
| Transit duration | 0.1216 ( 2.918 ) | day hour |
| Transit depth | 0.01 | % |
| Time of mid-transit | 2454966.55997 ± 0.00300 | HJD or BJD |
| Orbital period | 3.7444364 ± 0.0000145 | days |
| Reference for orbital ephemeris | 2016ApJ...822...86M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5961 +75 −60 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | 0.19 ± 0.08 | dex |
| Stellar mass | 1.140 +0.060 −0.100 | Msun |
| Stellar radius | 1.250 +0.220 −0.140 | Rsun |
| Stellar logarithmic surface gravity | 4.300 +0.100 −0.120 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | ||
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.098 +0.016 −0.015 ( 1.10 +0.18 −0.17 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 1328 | K |
| Reference of detailed study | 2016ApJ...822...86M |
Kepler-889b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)