TEPCat: Kepler-1122b


 

This page summarises the information held within TEPCat for the transiting system Kepler-1122b. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2016ApJ...822...86M  
Date of discovery paper 2016 / 5 / 10 y / m / d
Data/telescope used for discovery Kepler  
Right ascension 19 13 07.32 h m s
Declination +46 20 27.2 d m s
Right ascension (decimal) 288.28050 degrees
Declination (decimal) 46.34089 degrees
V-band apparent magnitude 15.23 mag
K-band apparent magnitude 13.37 mag
Transit duration 0.2951
( 7.082 )
day
hour
Transit depth 0.05 %
Time of mid-transit   2454988.31211 ± 0.00700     HJD or BJD
Orbital period 42.1918331 ± 0.0003561 days
Reference for orbital ephemeris   2016ApJ...822...86M  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5544 ± 73 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.03 +0.14 −0.18 dex
Stellar mass 0.920 +0.040 −0.030   Msun
Stellar radius 0.890 +0.110 −0.060 Rsun
Stellar logarithmic surface gravity 4.510 +0.050 −0.110 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity  
Orbital semimajor axis     AU
Planetary mass Mjup
Mearth
Planetary radius 0.210 ± 0.029
( 2.35 ± 0.33 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 526 K
Reference of detailed study 2016ApJ...822...86M  

 

Kepler-1122b does not have an entry in the catalogue of orbital obliquity measurements.

 


Page generated on 2025/08/27           John Southworth   (Keele University, UK)