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 0.035
( 0.84 )
day
hour
Transit depth 0.17 %
Time of mid-transit   2458362.7376 ± 0.0008     HJD or BJD
Orbital period 7.4512 ± 0.0007 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 +0.09 −0.0  
Orbital semimajor axis   0.0506 ± 0.0002  AU
Planetary mass 0.0071 ± 0.0016
( 2.26 ± 0.51 )
Mjup
Mearth
Planetary radius 0.140 ± 0.012
( 1.57 ± 0.13 )
Rjup
Rearth
Planetary surface gravity 9.0 ± 2.7
3.0 ± 0.1
m/s2
log(cgs)
Planetary mean density 2.5 ± 0.9
( 3.3 ± 1.2 )
ρjup
g cm-3
Planetary equilibrium temperature 374 ± 8 K
Reference of detailed study arXiv:1905.10669  

 

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 2019/07/02           John Southworth   (Keele University, UK)