TEPCat: K2-49


 

This page summarises the information held within TEPCat for the transiting system K2-49. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2016ApJS..226....7C  
Date of discovery paper 2016 / 7 / 19 y / m / d
Right ascension 11 49 16.85 h m s
Declination +03 28 32.0 d m s
V-band apparent magnitude 15.67 mag
K-band apparent magnitude 12.72 mag
Transit duration 0.096
( 2.30 )
day
hour
Transit depth 0.15 %
Time of mid-transit   2456810.02030 ± 0.00260     HJD or BJD
Orbital period 2.770650 ± 0.000150 days
Reference for orbital ephemeris   2016ApJS..226....7C  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4175 ± 97 K
Stellar metal abundance ([Fe/H] or [M/H])   dex
Stellar mass 0.510 ± 0.140   Msun
Stellar radius 0.450 ± 0.120 Rsun
Stellar logarithmic surface gravity 4.810 ± 0.110 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity  
Orbital semimajor axis   0.031 ± 0.003  AU
Planetary mass Mjup
Mearth
Planetary radius 0.172 ± 0.047
( 1.93 ± 0.53 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study 2016ApJS..226....7C  

 

K2-49 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

K2-49 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)