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 0.042
( 1.01 )
day
hour
Transit depth 0.06 %
Time of mid-transit   2458366.1708 ± 0.0010     HJD or BJD
Orbital period 2.2531 ± 0.0004 days
Reference for orbital ephemeris   arXiv:1905.10669  

 

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])   −0.5 ± 0.5 dex
Stellar mass 0.312 ± 0.031   Msun
Stellar radius 0.314 ± 0.014 Rsun
Stellar logarithmic surface gravity 4.94 ± 0.06 c.g.s.
Stellar mean density 12.8 ± 0.4
( 18.06 ± 0.56 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.12 −0.0  
Orbital semimajor axis   0.02282 ± 0.00008  AU
Planetary mass 0.0 +0.003 −0.0
( 0.00 +0.95 −0.00 )
Mjup
Mearth
Planetary radius 0.0714 ± 0.0045
( 0.800 ± 0.050 )
Rjup
Rearth
Planetary surface gravity 0.0 +16.6 −0.0
**0000000000000000000000000000000000000000000000000 +**0000000000000000000000000000000000000000000000000 −**0000000000000000000000000000000000000000000000000
m/s2
log(cgs)
Planetary mean density 0.0 +9.6 −0.0
( 0 +12 − 0 )
ρjup
g cm-3
Planetary equilibrium temperature 610 ± 13 K
Reference of detailed study arXiv:1905.10669  

 

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 2019/07/16           John Southworth   (Keele University, UK)