TEPCat: L98-59b


 

This page summarises the information held within TEPCat for the transiting planetary system L98-59b. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1903.08017  
Date of discovery paper 2019 / 3 / 20 y / m / d
Right ascension 08 18 07.62 h m s
Declination −68 18 46.8 d m s
V-band apparent magnitude 11.69 mag
K-band apparent magnitude 7.10 mag
Transit duration 0.0413
( 0.991 )
day
hour
Transit depth 0.06 %
Time of mid-transit   2458366.17067 ± 0.00035     HJD or BJD
Orbital period 2.2531136 ± 0.0000014 days
Reference for orbital ephemeris   arXiv:2108.03323  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3412 ± 49 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.46 ± 0.26 dex
Stellar mass 0.273 ± 0.030   Msun
Stellar radius 0.303 +0.026 −0.023 Rsun
Stellar logarithmic surface gravity 4.86 ± 0.13 c.g.s.
Stellar mean density 9.15 +1.8 −1.4
( 12.9 + 2.5 − 2.0 )
ρsun
g cm-3
Orbital eccentricity 0.103 +0.117 −0.045  
Orbital semimajor axis   0.02191 +0.00080 −0.00084  AU
Planetary mass 0.0013 ± 0.0005
( 0.41 ± 0.16 )
Mjup
Mearth
Planetary radius 0.0758 +0.0054 −0.0042
( 0.850 +0.061 −0.047 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 2.7 ± 1.1
( 3.6 ± 1.5 )
ρjup
g cm-3
Planetary equilibrium temperature 627 +33 −36 K
Reference of detailed study arXiv:2108.03323  

 

L98-59b does not have an entry in the catalogue of orbital obliquity measurements.

 

L98-59b 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)