TEPCat: NGTS-13


 

This page summarises the information held within TEPCat for the transiting planetary system NGTS-13. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2021A+A...647A.180G  
Date of discovery paper 2021 / 4 / 14 y / m / d
Right ascension 11 44 57.66 h m s
Declination −38 08 23.0 d m s
V-band apparent magnitude 12.70 mag
K-band apparent magnitude 11.14 mag
Transit duration 0.2176
( 5.222 )
day
hour
Transit depth 0.43 %
Time of mid-transit   2458572.8247 ± 0.0018     HJD or BJD
Orbital period 4.119027 ± 0.000023 days
Reference for orbital ephemeris   2021A+A...647A.180G  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5819 ± 73 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.25 ± 0.17 dex
Stellar mass 1.30 +0.11 −0.18   Msun
Stellar radius 1.788 ± 0.057 Rsun
Stellar logarithmic surface gravity 4.04 +0.05 −0.06 c.g.s.
Stellar mean density 0.21 ± 0.03
( 0.296 ± 0.042 )
ρsun
g cm-3
Orbital eccentricity 0.086 ± 0.034  
Orbital semimajor axis   0.0549 +0.0015 −0.0025  AU
Planetary mass 4.84 ± 0.44
( 15386 ± 1399 )
Mjup
Mearth
Planetary radius 1.142 ± 0.046
( 12.80 ± 0.52 )
Rjup
Rearth
Planetary surface gravity 91 +14 −12
3.96 +0.06 −0.06
m/s2
log(cgs)
Planetary mean density 3.03 ± 0.41
( 4.02 ± 0.54 )
ρjup
g cm-3
Planetary equilibrium temperature 1605 ± 30 K
Reference of detailed study 2021A+A...647A.180G  

 

NGTS-13 does not have an entry in the catalogue of orbital obliquity measurements.

 

NGTS-13 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)