TEPCat: Kepler-277b


 

This page summarises the information held within TEPCat for the transiting system Kepler-277b. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2014ApJS..210...25X  
Date of discovery paper 2013 / 9 / 10 y / m / d
Right ascension 19 06 19.96 h m s
Declination +39 04 37.9 d m s
V-band apparent magnitude 13.56 mag
K-band apparent magnitude 11.96 mag
Transit duration 0.3335
( 8.004 )
day
hour
Transit depth 0.02 %
Time of mid-transit   2454975.10140 ± 0.00428     HJD or BJD
Orbital period 17.324055 ± 0.000129 days
Reference for orbital ephemeris   2014ApJ...784...45R  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6040 ± 131 K
Stellar metal abundance ([Fe/H] or [M/H])   0.06 ± 0.10 dex
Stellar mass 1.195   Msun
Stellar radius 1.483 ± 0.284 Rsun
Stellar logarithmic surface gravity 4.176 ± 0.150 c.g.s.
Stellar mean density 0.517 ± 0.291
( 0.73 ± 0.41 )
ρsun
g cm-3
Orbital eccentricity 0.27 +0.08 −0.27  
Orbital semimajor axis   0.137 ± 0.003  AU
Planetary mass 0.0 +0.708 −0.0
( 0 +225 −0 )
Mjup
Mearth
Planetary radius 0.222 ± 0.044
( 2.49 ± 0.49 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study 2014ApJ...784...45R  

 

Kepler-277b does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-277b 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)