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 2019ApJ...871L..24V  
Date of discovery paper 2018 / 9 / 20 y / m / d
Data/telescope used for discovery TESS  
Right ascension 22 41 59.09 h m s
Declination −69 10 10.6 d m s
Right ascension (decimal) 340.49621 degrees
Declination (decimal) -69.16961 degrees
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   2019ApJ...871L..24V  

 

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 2019ApJ...871L..24V  

 

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

 


Page generated on 2024/09/04           John Southworth   (Keele University, UK)