This page summarises the information held within TEPCat for the transiting planetary system Kepler-440b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2015ApJ...800...99T | |
| Date of discovery paper | 2015 / 1 / 7 | y / m / d |
| Data/telescope used for discovery | Kepler | |
| Right ascension | 19 01 23.99 | h m s |
| Declination | +41 27 07.9 | d m s |
| Right ascension (decimal) | 285.34996 | degrees |
| Declination (decimal) | 41.45219 | degrees |
| V-band apparent magnitude | 15.71 | mag |
| K-band apparent magnitude | 12.12 | mag |
| Transit duration | 0.331 ( 7.94 ) | day hour |
| Transit depth | 0.10 | % |
| Time of mid-transit | 2455756.2986 ± 0.0028 | HJD or BJD |
| Orbital period | 101.11141 ± 0.00087 | days |
| Reference for orbital ephemeris | 2015ApJ...800...99T |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4134 ± 154 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.30 ± 0.15 | dex |
| Stellar mass | 0.575 +0.043 −0.047 | Msun |
| Stellar radius | 0.559 +0.029 −0.054 | Rsun |
| Stellar logarithmic surface gravity | 4.706 +0.049 −0.016 | c.g.s. |
| Stellar mean density | 3.37 +0.73 −0.34 ( 4.76 +1.03 −0.48 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.34 +0.12 −0.19 | |
| Orbital semimajor axis | 0.242 +0.066 −0.041 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.166 +0.021 −0.017 ( 1.86 +0.24 −0.19 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2015ApJ...800...99T |
Kepler-440b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)