TEPCat: WASP-103


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-103. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2014A+A...562L...3G  
Date of discovery paper 2014 / 1 / 14 y / m / d
Data/telescope used for discovery WASP  
Right ascension 16 37 15.59 h m s
Declination +07 11 00.0 d m s
Right ascension (decimal) 249.31496 degrees
Declination (decimal) 7.18333 degrees
V-band apparent magnitude 12.39 mag
K-band apparent magnitude 10.77 mag
Transit duration 0.11232
( 2.6957 )
day
hour
Transit depth 1.3 %
Time of mid-transit   2457511.944555 ± 0.000016     HJD or BJD
Orbital period 0.92554549 ± 0.0000003 days
Reference for orbital ephemeris   2022MNRAS.512.2062B  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6110 ± 160 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.06 ± 0.13 dex
Stellar mass 1.205 +0.096 −0.117   Msun
Stellar radius 1.413 +0.041 −0.048 Rsun
Stellar logarithmic surface gravity 4.219 +0.012 −0.016 c.g.s.
Stellar mean density 0.428 +0.007 −0.011
( 0.6039 +0.0099 −0.0155 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.01979 +0.00052 −0.00065  AU
Planetary mass 1.47 +0.11 −0.13
( 467 +34 −41 )
Mjup
Mearth
Planetary radius 1.646 +0.052 −0.060
( 18.45 + 0.58 − 0.67 )
Rjup
Rearth
Planetary surface gravity 14.34 +0.83 −0.85
3.16 +0.02 −0.03
m/s2
log(cgs)
Planetary mean density 0.309 ± 0.025
( 0.410 ± 0.033 )
ρjup
g cm-3
Planetary equilibrium temperature 2489 +66 −65 K
Reference of detailed study 2018MNRAS.474.2334D  

 

Entries in the catalogue of orbital obliquity measurements:
 
Reference λ (degrees)
Addison et al. (2016)   3   ±   33  
Zak et al. (2024)   2   + 35   - 36  

 

 


Page generated on 2024/09/10           John Southworth   (Keele University, UK)