This page summarises the information held within TEPCat for the transiting planetary system Kepler-289d. 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 49 51.68 | h m s |
| Declination | +42 52 58.2 | d m s |
| Right ascension (decimal) | 297.46533 | degrees |
| Declination (decimal) | 42.88283 | degrees |
| V-band apparent magnitude | 14.11 | mag |
| K-band apparent magnitude | 12.51 | mag |
| Transit duration | 0.3361 ( 8.066 ) | day hour |
| Transit depth | 1.24 | % |
| Time of mid-transit | 2455069.6734 ± 0.0028 | HJD or BJD |
| Orbital period | 125.8723 ± 0.0028 | days |
| Reference for orbital ephemeris | 2023AJ....165...48G |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5990 ± 38 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.065 ± 0.04 | dex |
| Stellar mass | 1.08 ± 0.02 | Msun |
| Stellar radius | 1.00 ± 0.02 | Rsun |
| Stellar logarithmic surface gravity | 4.47 ± 0.01 | c.g.s. |
| Stellar mean density | 1.19 ± 0.05 ( 1.679 ± 0.071 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.51 ± 0.03 | AU |
| Planetary mass | 0.494 +0.022 −0.023 ( 157.04 +6.99 −7.31 ) | Mjup Mearth |
| Planetary radius | 1.002 ± 0.019 ( 11.23 ± 0.21 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 0.50 ± 0.02 ( 0.663 ± 0.027 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2023AJ....165...48G |
Kepler-289d does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)