This page summarises the information held within TEPCat for the transiting system Kepler-401d. 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 20 19.86 | h m s |
| Declination | +50 51 48.5 | d m s |
| Right ascension (decimal) | 290.08275 | degrees |
| Declination (decimal) | 50.86347 | degrees |
| V-band apparent magnitude | 13.43 | mag |
| K-band apparent magnitude | 11.99 | mag |
| Transit duration | 0.4975 ( 11.940 ) | day hour |
| Transit depth | 0.03 | % |
| Time of mid-transit | 2455088.22870 ± 0.01100 | HJD or BJD |
| Orbital period | 184.2627410 ± 0.0030000 | days |
| Reference for orbital ephemeris | 2016ApJ...822...86M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6184 +88 −72 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | 0.02 +0.08 −0.09 | dex |
| Stellar mass | 1.170 +0.070 −0.050 | Msun |
| Stellar radius | 1.290 +0.220 −0.130 | Rsun |
| Stellar logarithmic surface gravity | 4.280 +0.090 −0.110 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | ||
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.229 +0.039 −0.038 ( 2.57 +0.44 −0.43 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 380 | K |
| Reference of detailed study | 2016ApJ...822...86M |
Kepler-401d does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)