This page summarises the information held within TEPCat for the transiting brown dwarf system Kepler-503. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2018ApJ...861L...4C | |
| Date of discovery paper | 2018 / 5 / 23 | y / m / d |
| Data/telescope used for discovery | Kepler | |
| Right ascension | 19 22 32.76 | h m s |
| Declination | +38 42 27.6 | d m s |
| Right ascension (decimal) | 290.63650 | degrees |
| Declination (decimal) | 38.70767 | degrees |
| V-band apparent magnitude | 14.94 | mag |
| K-band apparent magnitude | 13.04 | mag |
| Transit duration | 0.25 ( 6.0 ) | day hour |
| Transit depth | 0.4 | % |
| Time of mid-transit | 2454971.34494 ± 0.00026 | HJD or BJD |
| Orbital period | 7.2584481 ± 0.0000023 | days |
| Reference for orbital ephemeris | 2018ApJ...861L...4C |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5670 +100 −110 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.169 +0.046 −0.045 | dex |
| Stellar mass | 1.154 +0.047 −0.042 | Msun |
| Stellar radius | 1.764 +0.080 −0.068 | Rsun |
| Stellar logarithmic surface gravity | 4.008 ± 0.038 | c.g.s. |
| Stellar mean density | 0.210 +0.027 −0.026 ( 0.296 +0.038 −0.037 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.025 +0.014 −0.012 | |
| Orbital semimajor axis | 0.0786 ± 0.0010 | AU |
| Planetary mass | 78.6 ± 3.1 ( 249862 ± 9855 ) | Mjup Mearth |
| Planetary radius | 0.96 +0.06 −0.04 ( 10.76 + 0.67 − 0.45 ) | Rjup Rearth |
| Planetary surface gravity | 2090 ± 230 5.32 ± 0.05 | m/s2 log(cgs) |
| Planetary mean density | 81 ± 13 ( 107 ± 17 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1296 +22 −23 | K |
| Reference of detailed study | 2018ApJ...861L...4C |
Kepler-503 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/10 John Southworth (Keele University, UK)