TEPCat: EPIC 246393474


 

This page summarises the information held within TEPCat for the transiting planetary system EPIC 246393474. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1711.02097  
Date of discovery paper 2017 / 11 / 7 y / m / d
Right ascension 23 23 39.97 h m s
Declination −01 11 21.4 d m s
V-band apparent magnitude 11.49 mag
K-band apparent magnitude 8.40 mag
Transit duration 0.039
( 0.94 )
day
hour
Transit depth 0.05 %
Time of mid-transit   2457738.46540 ± 0.00022     HJD or BJD
Orbital period 0.2803226 ± 0.0000013 days
Reference for orbital ephemeris   arXiv:1711.02097  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4373 ± 57 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.03 ± 0.10 dex
Stellar mass 0.662 ± 0.022   Msun
Stellar radius 0.674 ± 0.039 Rsun
Stellar logarithmic surface gravity 4.584 ± 0.051 c.g.s.
Stellar mean density 2.11 +0.23 −0.48
( 2.98 +0.32 −0.68 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.00716 +0.00055 −0.00065  AU
Planetary mass 0.0167 ± 0.0014
( 5.31 ± 0.45 )
Mjup
Mearth
Planetary radius 0.137 +0.009 −0.008
( 1.536 +0.101 −0.090 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 6.0 +1.4 −1.1
( 8.0 +1.9 −1.5 )
ρjup
g cm-3
Planetary equilibrium temperature 2039 +87 −48 K
Reference of detailed study arXiv:1711.02097  

 

EPIC 246393474 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

EPIC 246393474 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/13           John Southworth   (Keele University, UK)