TEPCat: EPIC 211442297


 

This page summarises the information held within TEPCat for the transiting planetary system EPIC 211442297. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1708.07128  
Date of discovery paper 2017 / 8 / 24 y / m / d
Right ascension 08 26 12.83 h m s
Declination +12 16 55.0 d m s
V-band apparent magnitude 13.34 mag
K-band apparent magnitude 11.72 mag
Transit duration 0.1679
( 4.030 )
day
hour
Transit depth 1.7 %
Time of mid-transit   2457157.15701 ± 0.00025     HJD or BJD
Orbital period 20.273034 ± 0.000036 days
Reference for orbital ephemeris   arXiv:1708.07128  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5544 ± 60 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.23 ± 0.04 dex
Stellar mass 0.831 +0.023 −0.019   Msun
Stellar radius 0.881 +0.049 −0.050 Rsun
Stellar logarithmic surface gravity 4.461 +0.057 −0.041 c.g.s.
Stellar mean density 1.01 +0.31 −0.20
( 1.43 +0.44 −0.28 )
ρsun
g cm-3
Orbital eccentricity 0.137 +0.072 −0.074  
Orbital semimajor axis   0.1367 +0.0012 −0.0010  AU
Planetary mass 0.84 +0.18 −0.20
( 267 +57 −63 )
Mjup
Mearth
Planetary radius 1.114 +0.057 −0.061
( 12.49 + 0.64 − 0.68 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 0.62 +0.23 −0.18
( 0.82 +0.31 −0.24 )
ρjup
g cm-3
Planetary equilibrium temperature 682 +22 −24 K
Reference of detailed study arXiv:1708.07128  

 

EPIC 211442297 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

EPIC 211442297 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)