TEPCat: LHS 1678c


 

This page summarises the information held within TEPCat for the transiting planetary system LHS 1678c. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2110.12079  
Date of discovery paper 2021 / 10 / 26 y / m / d
Data/telescope used for discovery TESS  
Right ascension 04 32 42.63 h m s
Declination −39 47 12.1 d m s
Right ascension (decimal) 68.17762 degrees
Declination (decimal) -39.78669 degrees
V-band apparent magnitude 12.48 mag
K-band apparent magnitude 8.26 mag
Transit duration 0.0525
( 1.260 )
day
hour
Transit depth 0.09 %
Time of mid-transit   2458414.7594 ± 0.0015     HJD or BJD
Orbital period 3.6942470 ± 0.0000023 days
Reference for orbital ephemeris   arXiv:2110.12079  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3490 ± 50 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.36 ± 0.06 dex
Stellar mass 0.345 ± 0.014   Msun
Stellar radius 0.329 ± 0.010 Rsun
Stellar logarithmic surface gravity c.g.s.
Stellar mean density 9.6 ± 1.0
( 13.5 ± 1.4 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.37 −0.0  
Orbital semimajor axis   0.0331 +0.0016 −0.0015  AU
Planetary mass 0.0 +0.0066 −0.0
( 0.0 +2.1 −0.0 )
Mjup
Mearth
Planetary radius 0.0876 +0.0057 −0.0056
( 0.982 +0.064 −0.063 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study arXiv:2110.12079  

 

LHS 1678c does not have an entry in the catalogue of orbital obliquity measurements.

 

LHS 1678c has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2022/12/07           John Southworth   (Keele University, UK)