TEPCat: K2-93d


 

This page summarises the information held within TEPCat for the transiting planetary system K2-93d. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2016ApJ...827L..10V  
Date of discovery paper 2016 / 6 / 29 y / m / d
Data/telescope used for discovery K2  
Right ascension 08 26 27.85 h m s
Declination +10 04 49.4 d m s
Right ascension (decimal) 126.61604 degrees
Declination (decimal) 10.08039 degrees
V-band apparent magnitude 8.93 mag
K-band apparent magnitude 7.72 mag
Transit duration 0.78775
( 18.9060 )
day
hour
Transit depth 0.5 %
Time of mid-transit   2459355.1014 ± 0.0019     HJD or BJD
Orbital period 278.360 ± 0.0015 days
Reference for orbital ephemeris   2022A+A...668A.172G  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6320 +60 −30 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.10 ± 0.07 dex
Stellar mass 1.16 ± 0.04   Msun
Stellar radius 1.273 ± 0.015 Rsun
Stellar logarithmic surface gravity 4.294 ± 0.006 c.g.s.
Stellar mean density 0.563 ± 0.006
( 0.7944 ± 0.0085 )
ρsun
g cm-3
Orbital eccentricity 0.004 +0.009 −0.003  
Orbital semimajor axis   0.22 +0.03 −0.06  AU
Planetary mass 0.038 ± 0.009
( 12.1 ± 2.9 )
Mjup
Mearth
Planetary radius 0.821 ± 0.009
( 9.20 ± 0.10 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 0.07 ± 0.02
( 0.093 ± 0.027 )
ρjup
g cm-3
Planetary equilibrium temperature 294 +3 −1 K
Reference of detailed study arXiv:1911.07355  

 

Entries in the catalogue of orbital obliquity measurements:
 
Reference λ (degrees)
Grouffal et al. (2022)   57   + 26   - 18  

 

 


Page generated on 2024/04/19           John Southworth   (Keele University, UK)