This page summarises the information held within TEPCat for the transiting planetary system Kepler-444e. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2015ApJ...799..170C | |
| Date of discovery paper | 2015 / 1 / 27 | y / m / d |
| Data/telescope used for discovery | Kepler | |
| Right ascension | 19 19 00.55 | h m s |
| Declination | +41 38 04.6 | d m s |
| Right ascension (decimal) | 289.75229 | degrees |
| Declination (decimal) | 41.63461 | degrees |
| V-band apparent magnitude | 9.17 | mag |
| K-band apparent magnitude | 6.70 | mag |
| Transit duration | 0.1161 ( 2.786 ) | day hour |
| Transit depth | 0.005 | % |
| Time of mid-transit | 2454968.0927 ± 0.0018 | HJD or BJD |
| Orbital period | 7.743493 ± 0.000017 | days |
| Reference for orbital ephemeris | 2015ApJ...799..170C |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5172 ± 75 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.52 ± 0.12 | dex |
| Stellar mass | 0.758 ± 0.043 | Msun |
| Stellar radius | 0.752 ± 0.014 | Rsun |
| Stellar logarithmic surface gravity | 4.5625 ± 0.0095 | c.g.s. |
| Stellar mean density | 1.768 ± 0.020 ( 2.495 ± 0.028 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.10 +0.20 −0.06 | |
| Orbital semimajor axis | 0.0696 ± 0.0013 | AU |
| Planetary mass | 0.0001 +0.0002 −0.0001 ( 0.032 +0.064 −0.032 ) | Mjup Mearth |
| Planetary radius | 0.0487 +0.0015 −0.0013 ( 0.546 +0.017 −0.015 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2022A+A...667A.128S |
Kepler-444e does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/11/11 John Southworth (Keele University, UK)