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
Right ascension 11 40 57.77 h m s
Declination +03 40 53.5 d m s
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 5492 ± 60 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.20 ± 0.04 dex
Stellar mass 0.870 ± 0.031   Msun
Stellar radius 0.901 ± 0.057 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 0.2281 ± 0.0026  
Orbital semimajor axis   0.757 ± 0.065  AU
Planetary mass 66.9 ± 1.7
( 212668 ± 5404 )
Mjup
Mearth
Planetary radius 0.757 ± 0.065
( 8.49 ± 0.73 )
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 2017AJ....153...15B  

 

EPIC 201702477 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

EPIC 201702477 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/15           John Southworth   (Keele University, UK)