This page summarises the information held within TEPCat for the transiting brown dwarf system EPIC 201702477. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2017AJ....153...15B | |
| Date of discovery paper | 2016 / 6 / 14 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 11 40 57.77 | h m s |
| Declination | +03 40 53.5 | d m s |
| Right ascension (decimal) | 175.24071 | degrees |
| Declination (decimal) | 3.68153 | degrees |
| V-band apparent magnitude | 14.57 | mag |
| K-band apparent magnitude | 12.77 | mag |
| Transit duration | 0.168 ( 4.03 ) | day hour |
| Transit depth | 0.6 | % |
| Time of mid-transit | 2456811.5462 ± 0.0011 | HJD or BJD |
| Orbital period | 40.73691 ± 0.00037 | days |
| Reference for orbital ephemeris | 2017AJ....153...15B |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5542 ± 62 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.01 ± 0.03 | dex |
| Stellar mass | 0.95 ± 0.05 | Msun |
| Stellar radius | 1.01 ± 0.03 | Rsun |
| Stellar logarithmic surface gravity | 4.466 ± 0.058 | c.g.s. |
| Stellar mean density | 1.18 ± 0.24 ( 1.66 ± 0.34 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.228 ± 0.003 | |
| Orbital semimajor axis | 0.757 ± 0.065 | AU |
| Planetary mass | 70.9 ± 2.6 ( 225384 ± 8265 ) | Mjup Mearth |
| Planetary radius | 0.83 ± 0.04 ( 9.30 ± 0.45 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 144 ± 38 ( 191 ± 50 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2023MNRAS.519.5177C |
EPIC 201702477 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)