This page summarises the information held within TEPCat for the transiting planetary system Kepler-428. Please see here for descriptions of the quantities given below.
Quantity | Value | Unit |
---|---|---|
Reference of discovery paper | 2014A+A...572A..93H | |
Date of discovery paper | 2014 / 10 / 1 | y / m / d |
Data/telescope used for discovery | Kepler | |
Right ascension | 19 22 19.61 | h m s |
Declination | +40 34 38.6 | d m s |
Right ascension (decimal) | 290.58171 | degrees |
Declination (decimal) | 40.57739 | degrees |
V-band apparent magnitude | 15.47 | mag |
K-band apparent magnitude | 13.23 | mag |
Transit duration | 0.1089 ( 2.614 ) | day hour |
Transit depth | 2.4 | % |
Time of mid-transit | 2455003.048008 ± 0.000032 | HJD or BJD |
Orbital period | 3.52563254 ± 0.00000015 | days |
Reference for orbital ephemeris | 2014A+A...572A..93H |
Quantity | Value | Unit |
---|---|---|
Stellar effective temperature | 5150 ± 100 | K |
Stellar metal abundance ([Fe/H] or [M/H]) | +0.09 ± 0.17 | dex |
Stellar mass | 0.87 ± 0.05 | Msun |
Stellar radius | 0.80 ± 0.02 | Rsun |
Stellar logarithmic surface gravity | 4.571 ± 0.011 | c.g.s. |
Stellar mean density | 1.208 ± 0.029 ( 1.704 ± 0.041 ) | ρsun g cm-3 |
Orbital eccentricity | 0.0 +0.22 −0.0 | |
Orbital semimajor axis | 0.0433 ± 0.0009 | AU |
Planetary mass | 1.27 ± 0.19 ( 403 ± 60 ) | Mjup Mearth |
Planetary radius | 1.08 ± 0.03 ( 12.11 ± 0.34 ) | Rjup Rearth |
Planetary surface gravity | m/s2 log(cgs) | |
Planetary mean density | 0.77 ± 0.11 ( 1.02 ± 0.15 ) | ρjup g cm-3 |
Planetary equilibrium temperature | 1070 ± 25 | K |
Reference of detailed study | 2014A+A...572A..93H |
Kepler-428 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/02/12 John Southworth (Keele University, UK)