TEPCat: NGTS-12


 

This page summarises the information held within TEPCat for the transiting planetary system NGTS-12. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2009.10620  
Date of discovery paper 2020 / 9 / 23 y / m / d
Right ascension 11 44 59.99 h m s
Declination −35 38 26.0 d m s
V-band apparent magnitude 12.38 mag
K-band apparent magnitude 10.59 mag
Transit duration 0.244
( 5.86 )
day
hour
Transit depth 0.5 %
Time of mid-transit   2458572.8549 ± 0.0017     HJD or BJD
Orbital period 7.532806 ± 0.000048 days
Reference for orbital ephemeris   arXiv:2009.10620  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5690 ± 130 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.03 ± 0.11 dex
Stellar mass 1.021 +0.056 −0.049   Msun
Stellar radius 1.589 ± 0.040 Rsun
Stellar logarithmic surface gravity 4.045 ± 0.038 c.g.s.
Stellar mean density 0.254 ± 0.028
( 0.358 ± 0.040 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.08 −0.0  
Orbital semimajor axis   0.0757 ± 0.0014  AU
Planetary mass 0.208 ± 0.022
( 66.1 ± 7.0 )
Mjup
Mearth
Planetary radius 1.048 ± 0.032
( 11.75 ± 0.36 )
Rjup
Rearth
Planetary surface gravity 4.68 +0.56 −0.57
2.67 +0.05 −0.06
m/s2
log(cgs)
Planetary mean density 0.168 ± 0.022
( 0.223 ± 0.029 )
ρjup
g cm-3
Planetary equilibrium temperature 1257 ± 34 K
Reference of detailed study arXiv:2009.10620  

 

NGTS-12 does not have an entry in the catalogue of orbital obliquity measurements.

 

NGTS-12 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)