TEPCat: TOI-270c


 

This page summarises the information held within TEPCat for the transiting planetary system TOI-270c. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1903.06107  
Date of discovery paper 2019 / 3 / 15 y / m / d
Right ascension 04 33 39.72 h m s
Declination −51 57 22.4 d m s
V-band apparent magnitude 12.62 mag
K-band apparent magnitude 8.25 mag
Transit duration 0.07
( 1.7 )
day
hour
Transit depth 0.3 %
Time of mid-transit   2458463.08481 ± 0.00025     HJD or BJD
Orbital period 5.660172 ± 0.000035 days
Reference for orbital ephemeris   arXiv:1903.06107  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3386 +137 −131 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.17 ± 0.10 dex
Stellar mass 0.40 ± 0.02   Msun
Stellar radius 0.38 ± 0.02 Rsun
Stellar logarithmic surface gravity c.g.s.
Stellar mean density 7.4 +1.0 −1.6
( 10.4 + 1.4 − 2.3 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.0472 +0.0030 −0.0033  AU
Planetary mass Mjup
Mearth
Planetary radius 0.216 ± 0.012
( 2.42 ± 0.13 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 424 +20 −19 K
Reference of detailed study arXiv:1903.06107  

 

TOI-270c does not have an entry in the catalogue of orbital obliquity measurements.

 

TOI-270c has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2019/07/16           John Southworth   (Keele University, UK)