TEPCat: EPIC 228735255


 

This page summarises the information held within TEPCat for the transiting planetary system EPIC 228735255. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1706.06865  
Date of discovery paper 2017 / 6 / 22 y / m / d
Right ascension 12 32 32.96 h m s
Declination −09 36 27.5 d m s
V-band apparent magnitude 12.62 mag
K-band apparent magnitude 11.00 mag
Transit duration 0.190
( 4.56 )
day
hour
Transit depth 1.3 %
Time of mid-transit   2457588.28380 ± 0.00014     HJD or BJD
Orbital period 6.569300 ± 0.000019 days
Reference for orbital ephemeris   arXiv:1706.06865  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5654 ± 55 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.12 ± 0.045 dex
Stellar mass 1.005 +0.021 −0.020   Msun
Stellar radius 0.987 ± 0.011 Rsun
Stellar logarithmic surface gravity 4.452 +0.010 −0.009 c.g.s.
Stellar mean density 1.048 ± 0.041
( 1.479 ± 0.058 )
ρsun
g cm-3
Orbital eccentricity 0.120 +0.056 −0.046  
Orbital semimajor axis   0.0591 ± 0.0034  AU
Planetary mass 1.019 +0.070 −0.07
( 323 +22 −22 )
Mjup
Mearth
Planetary radius 1.095 ± 0.018
( 12.27 ± 0.20 )
Rjup
Rearth
Planetary surface gravity 21.1 +1.7 −1.5
3.32 +0.03 −0.03
m/s2
log(cgs)
Planetary mean density 0.726 ± 0.062
( 0.963 ± 0.082 )
ρjup
g cm-3
Planetary equilibrium temperature 1114 ± 34 K
Reference of detailed study arXiv:1706.06865  

 

EPIC 228735255 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

EPIC 228735255 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


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