TEPCat: L98-59d


 

This page summarises the information held within TEPCat for the transiting planetary system L98-59d. 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 0.0350
( 0.840 )
day
hour
Transit depth 0.17 %
Time of mid-transit   2458362.73974 ± 0.00036     HJD or BJD
Orbital period 7.4507245 ± 0.0000018 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 0.128 +0.108 −0.076  
Orbital semimajor axis   0.0486 +0.0018 −0.0019  AU
Planetary mass 0.0061 ± 0.0009
( 1.94 ± 0.29 )
Mjup
Mearth
Planetary radius 0.1357 +0.0106 −0.0087
( 1.521 +0.119 −0.098 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 2.22 +0.60 −0.38
( 2.94 +0.80 −0.50 )
ρjup
g cm-3
Planetary equilibrium temperature 416 ± 20 K
Reference of detailed study arXiv:2108.03323  

 

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

 

L98-59d 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)