TEPCat: K2-310c


 

This page summarises the information held within TEPCat for the transiting planetary system K2-310c. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2019MNRAS.488..536H  
Date of discovery paper 2019 / 6 / 14 y / m / d
Data/telescope used for discovery K2  
Right ascension 13 36 53.21 h m s
Declination −07 19 05.3 d m s
Right ascension (decimal) 204.22171 degrees
Declination (decimal) -7.31814 degrees
V-band apparent magnitude 14.84 mag
K-band apparent magnitude 12.16 mag
Transit duration 0.192
( 4.61 )
day
hour
Transit depth 0.16 %
Time of mid-transit   2457227.790 ± 0.005     HJD or BJD
Orbital period 65.5500 ± 0.0089 days
Reference for orbital ephemeris   2019MNRAS.488..536H  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4542 +149 −298 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.47 +0.30 −0.25 dex
Stellar mass 0.615 +0.049 −0.089   Msun
Stellar radius 0.570 +0.054 −0.095 Rsun
Stellar logarithmic surface gravity 4.708 +0.088 −0.040 c.g.s.
Stellar mean density 2.28 +1.06 −0.36
( 3.22 +1.50 −0.51 )
ρsun
g cm-3
Orbital eccentricity 0.3 ± 0.1  
Orbital semimajor axis   0.280 ± 0.006  AU
Planetary mass 0.030 ± 0.008
( 9.5 ± 2.5 )
Mjup
Mearth
Planetary radius 0.240 ± 0.013
( 2.69 ± 0.15 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 316 ± 10 K
Reference of detailed study 2019MNRAS.488..536H  

 

K2-310c does not have an entry in the catalogue of orbital obliquity measurements.

 

K2-310c has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2022/12/01           John Southworth   (Keele University, UK)