TEPCat: LHS 1478


 

This page summarises the information held within TEPCat for the transiting planetary system LHS 1478. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2021A+A...649A.144S  
Date of discovery paper 2021 / 2 / 24 y / m / d
Data/telescope used for discovery TESS  
Right ascension 02 57 18.26 h m s
Declination +76 33 11.0 d m s
Right ascension (decimal) 44.32608 degrees
Declination (decimal) 76.55306 degrees
V-band apparent magnitude 13.30 mag
K-band apparent magnitude 8.77 mag
Transit duration 0.0296
( 0.710 )
day
hour
Transit depth 0.2 %
Time of mid-transit   2458786.75425 ± 0.00042     HJD or BJD
Orbital period 1.9495378 ± 0.0000041 days
Reference for orbital ephemeris   2021A+A...649A.144S  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3381 ± 54 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.13 ± 0.19 dex
Stellar mass 0.236 ± 0.012   Msun
Stellar radius 0.246 ± 0.008 Rsun
Stellar logarithmic surface gravity 4.87 ± 0.06 c.g.s.
Stellar mean density 15.7 ± 1.8
( 22.2 ± 2.5 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.01848 +0.00061 −0.00063  AU
Planetary mass 0.0073 ± 0.0006
( 2.32 ± 0.19 )
Mjup
Mearth
Planetary radius 0.111 ± 0.004
( 1.244 ± 0.045 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 5.02 +0.81 −0.66
( 6.66 +1.07 −0.88 )
ρjup
g cm-3
Planetary equilibrium temperature 595 +10 −9 K
Reference of detailed study 2021A+A...649A.144S  

 

LHS 1478 does not have an entry in the catalogue of orbital obliquity measurements.

 


Page generated on 2025/03/17           John Southworth   (Keele University, UK)