TEPCat: LHS 3844


 

This page summarises the information held within TEPCat for the transiting planetary system LHS 3844. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1809.07242  
Date of discovery paper 2018 / 9 / 20 y / m / d
Right ascension 22 41 59.09 h m s
Declination −69 10 10.6 d m s
V-band apparent magnitude 15.26 mag
K-band apparent magnitude 9.15 mag
Transit duration 0.0216
( 0.518 )
day
hour
Transit depth 0.4 %
Time of mid-transit   2458325.72568 ± 0.00025     HJD or BJD
Orbital period 0.4629279 ± 0.0000016 days
Reference for orbital ephemeris   arXiv:1809.07242  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3036 ± 77 K
Stellar metal abundance ([Fe/H] or [M/H])   dex
Stellar mass 0.151 ± 0.014   Msun
Stellar radius 0.189 ± 0.006 Rsun
Stellar logarithmic surface gravity 5.06 ± 0.01 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity  
Orbital semimajor axis   0.00623 ± 0.00015  AU
Planetary mass Mjup
Mearth
Planetary radius 0.118 ± 0.002
( 1.323 ± 0.022 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 805 ± 20 K
Reference of detailed study arXiv:1809.07242  

 

LHS 3844 does not have an entry in the catalogue of orbital obliquity measurements.

 

LHS 3844 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)