TEPCat: WASP-104


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-104. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2014A+A...570A..64S  
Date of discovery paper 2014 / 8 / 6 y / m / d
Right ascension 10 42 24.61 h m s
Declination +07 26 06.3 d m s
V-band apparent magnitude 11.79 mag
K-band apparent magnitude 9.88 mag
Transit duration 0.07283
( 1.7479 )
day
hour
Transit depth 1.5 %
Time of mid-transit   2457935.070228 ± 0.000011     HJD or BJD
Orbital period 1.75540563 ± 0.0000011 days
Reference for orbital ephemeris   arXiv:2011.06329  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5348 ± 32 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.410 ± 0.057 dex
Stellar mass 1.016 ± 0.033   Msun
Stellar radius 0.935 ± 0.010 Rsun
Stellar logarithmic surface gravity 4.5032 ± 0.0050 c.g.s.
Stellar mean density 1.2413 ± 0.0057
( 1.7515 ± 0.0080 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.030 −0.0  
Orbital semimajor axis   0.02860 ± 0.00047  AU
Planetary mass 1.216 ± 0.045
( 386 ± 14 )
Mjup
Mearth
Planetary radius 1.093 ± 0.012
( 12.25 ± 0.13 )
Rjup
Rearth
Planetary surface gravity 25.26 ± 0.74
3.40 ± 0.01
m/s2
log(cgs)
Planetary mean density 0.873 ± 0.028
( 1.158 ± 0.037 )
ρjup
g cm-3
Planetary equilibrium temperature 1474 ± 9 K
Reference of detailed study arXiv:2011.06329  

 

WASP-104 does not have an entry in the catalogue of orbital obliquity measurements.

 

WASP-104 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2021/12/02           John Southworth   (Keele University, UK)