TEPCat: K2-110


 

This page summarises the information held within TEPCat for the transiting planetary system K2-110. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2017A+A...604A..19O  
Date of discovery paper 2016 / 5 / 16 y / m / d
Right ascension 13 49 23.89 h m s
Declination −12 17 04.2 d m s
V-band apparent magnitude 11.91 mag
K-band apparent magnitude 9.61 mag
Transit duration 0.134
( 3.22 )
day
hour
Transit depth 0.13 %
Time of mid-transit   2457275.32992 ± 0.00061     HJD or BJD
Orbital period 13.86375 ± 0.00026 days
Reference for orbital ephemeris   2017A+A...604A..19O  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5010 ± 50 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.34 ± 0.03 dex
Stellar mass 0.738 ± 0.018   Msun
Stellar radius 0.713 ± 0.020 Rsun
Stellar logarithmic surface gravity 4.60 ± 0.03 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.079 ± 0.070  
Orbital semimajor axis   0.1021 ± 0.0008  AU
Planetary mass 0.0525 ± 0.0101
( 16.7 ± 3.2 )
Mjup
Mearth
Planetary radius 0.231 ± 0.009
( 2.59 ± 0.10 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 3.9 ± 0.9
( 5.2 ± 1.2 )
ρjup
g cm-3
Planetary equilibrium temperature 640 ± 20 K
Reference of detailed study 2017A+A...604A..19O  

 

K2-110 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

K2-110 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)