TEPCat: EPIC 201702477


 

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.

 

Discovery and basic observable quantities:
 
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  

 

Physical properties from the most recent detailed study:
 
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 2024/09/10           John Southworth   (Keele University, UK)