This page summarises the information held within TEPCat for the transiting system Kepler-521b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2016ApJ...822...86M | |
| Date of discovery paper | 2016 / 5 / 10 | y / m / d |
| Data/telescope used for discovery | Kepler | |
| Right ascension | 19 55 15.93 | h m s |
| Declination | +43 59 52.9 | d m s |
| Right ascension (decimal) | 298.81638 | degrees |
| Declination (decimal) | 43.99803 | degrees |
| V-band apparent magnitude | 12.98 | mag |
| K-band apparent magnitude | 11.67 | mag |
| Transit duration | 0.3055 ( 7.332 ) | day hour |
| Transit depth | 0.05 | % |
| Time of mid-transit | 2455039.35965 ± 0.00100 | HJD or BJD |
| Orbital period | 22.2080955 ± 0.0000414 | days |
| Reference for orbital ephemeris | 2016ApJ...822...86M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6406 +91 −87 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | 0.25 ± 0.08 | dex |
| Stellar mass | 1.340 +0.060 −0.110 | Msun |
| Stellar radius | 1.460 +0.140 −0.110 | Rsun |
| Stellar logarithmic surface gravity | 4.240 +0.050 −0.070 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | ||
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.269 +0.047 −0.025 ( 3.02 +0.53 −0.28 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 803 | K |
| Reference of detailed study | 2016ApJ...822...86M |
Kepler-521b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)