TEPCat: NGTS-25


 

This page summarises the information held within TEPCat for the transiting planetary system NGTS-25. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2023MNRAS.518.4845J  
Date of discovery paper 2022 / 11 / 3 y / m / d
Data/telescope used for discovery NGTS  
Right ascension 20 29 40.38 h m s
Declination −39 01 55.5 d m s
Right ascension (decimal) 307.41825 degrees
Declination (decimal) -39.03208 degrees
V-band apparent magnitude 14.27 mag
K-band apparent magnitude 12.32 mag
Transit duration 0.1028
( 2.467 )
day
hour
Transit depth 2.0 %
Time of mid-transit   2458204.26373 ± 0.00050     HJD or BJD
Orbital period 2.8230930 ± 0.0000033 days
Reference for orbital ephemeris   2023MNRAS.518.4845J  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5321 ± 58 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.37 ± 0.07 dex
Stellar mass 0.91 +0.03 −0.04   Msun
Stellar radius 0.86 +0.02 −0.05 Rsun
Stellar logarithmic surface gravity 4.48 ± 0.14 c.g.s.
Stellar mean density 1.573 +0.060 −0.078
( 2.220 +0.085 −0.110 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.0388 +0.0014 −0.0020  AU
Planetary mass 0.639 +0.058 −0.052
( 203 +18 −16 )
Mjup
Mearth
Planetary radius 1.023 +0.035 −0.052
( 11.47 + 0.39 − 0.58 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 0.672 +0.075 −0.067
( 0.891 +0.099 −0.089 )
ρjup
g cm-3
Planetary equilibrium temperature 1101 +15 −14 K
Reference of detailed study 2023MNRAS.518.4845J  

 

NGTS-25 does not have an entry in the catalogue of orbital obliquity measurements.

 


Page generated on 2024/03/28           John Southworth   (Keele University, UK)