This page summarises the information held within TEPCat for the transiting system Kepler-81d. 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 34 32.87 | h m s |
| Declination | +42 49 29.9 | d m s |
| Right ascension (decimal) | 293.63696 | degrees |
| Declination (decimal) | 42.82497 | degrees |
| V-band apparent magnitude | 15.43 | mag |
| K-band apparent magnitude | 12.39 | mag |
| Transit duration | 0.1071 ( 2.570 ) | day hour |
| Transit depth | 0.04 | % |
| Time of mid-transit | 2454965.07963 ± 0.00533 | HJD or BJD |
| Orbital period | 20.837846 ± 0.000181 | days |
| Reference for orbital ephemeris | 2014ApJ...784...45R |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4500 ± 116 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.18 ± 0.10 | dex |
| Stellar mass | 0.639 | Msun |
| Stellar radius | 0.595 ± 0.029 | Rsun |
| Stellar logarithmic surface gravity | 4.696 ± 0.200 | c.g.s. |
| Stellar mean density | 4.282 ± 0.437 ( 6.04 ± 0.62 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.108 ± 0.024 ( 1.21 ± 0.27 ) | 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-81d does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)