This page summarises the information held within TEPCat for the transiting planetary system Kepler-444c. 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 | 0.0724 ( 1.738 ) | day hour |
| Transit depth | 0.004 | % |
| Time of mid-transit | 2454964.5220 ± 0.0013 | HJD or BJD |
| Orbital period | 4.548841 ± 0.000071 | 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 | 0.31 +0.12 −0.15 | |
| Orbital semimajor axis | 0.04881 ± 0.0093 | AU |
| Planetary mass | 0.0 +0.0007 −0.0 ( 0.00 +0.22 −0.00 ) | Mjup Mearth |
| Planetary radius | 0.0443 +0.0019 −0.0015 ( 0.497 +0.021 −0.017 ) | 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-444c does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/10 John Southworth (Keele University, UK)