This page summarises the information held within TEPCat for the transiting planetary system Kepler-446b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2015ApJ...801...18M | |
| Date of discovery paper | 2015 / 1 / 8 | y / m / d |
| Data/telescope used for discovery | Kepler | |
| Right ascension | 18 49 00.05 | h m s |
| Declination | +44 55 16.0 | d m s |
| Right ascension (decimal) | 282.25021 | degrees |
| Declination (decimal) | 44.92111 | degrees |
| V-band apparent magnitude | 17.26 | mag |
| K-band apparent magnitude | 12.83 | mag |
| Transit duration | 0.0325 ( 0.780 ) | day hour |
| Transit depth | 0.33 | % |
| Time of mid-transit | 2454965.9135 ± 0.0019 | HJD or BJD |
| Orbital period | 1.565409 ± 0.0000033 | days |
| Reference for orbital ephemeris | 2015ApJ...801...18M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3359 ± 60 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.30 ± 0.12 | dex |
| Stellar mass | 0.22 ± 0.05 | Msun |
| Stellar radius | 0.24 ± 0.04 | Rsun |
| Stellar logarithmic surface gravity | c.g.s. | |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.134 ± 0.022 ( 1.50 ± 0.25 ) | 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...801...18M |
Kepler-446b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)