TEPCat: NGTS-14


 

This page summarises the information held within TEPCat for the transiting planetary system NGTS-14. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2101.01470  
Date of discovery paper 2021 / 1 / 10 y / m / d
Right ascension 21 54 04.20 h m s
Declination −38 22 38.7 d m s
V-band apparent magnitude 13.24 mag
K-band apparent magnitude 11.31 mag
Transit duration 0.0933
( 2.239 )
day
hour
Transit depth 0.3 %
Time of mid-transit   2457502.5545 ± 0.0020     HJD or BJD
Orbital period 3.5357173 ± 0.0000069 days
Reference for orbital ephemeris   arXiv:2101.01470  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5187 ± 11 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.10 ± 0.03 dex
Stellar mass 0.898 ± 0.035   Msun
Stellar radius 0.842 ± 0.006 Rsun
Stellar logarithmic surface gravity 4.20 ± 0.04 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.0403 ± 0.0071  AU
Planetary mass 0.092 ± 0.012
( 29.2 ± 3.8 )
Mjup
Mearth
Planetary radius 0.444 +0.030 −0.03
( 4.98 +0.34 −0.34 )
Rjup
Rearth
Planetary surface gravity 12.0 +2.4 −2.0
3.08 +0.08 −0.08
m/s2
log(cgs)
Planetary mean density 1.05 ± 0.25
( 1.39 ± 0.33 )
ρjup
g cm-3
Planetary equilibrium temperature 1143 ± 139 K
Reference of detailed study arXiv:2101.01470  

 

NGTS-14 does not have an entry in the catalogue of orbital obliquity measurements.

 

NGTS-14 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2021/12/02           John Southworth   (Keele University, UK)