TEPCat: NGTS-15


 

This page summarises the information held within TEPCat for the transiting planetary system NGTS-15. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2103.10302  
Date of discovery paper 2021 / 3 / 19 y / m / d
Right ascension 04 53 25.27 h m s
Declination −32 48 01.3 d m s
V-band apparent magnitude 14.56 mag
K-band apparent magnitude 12.91 mag
Transit duration 0.1043
( 2.503 )
day
hour
Transit depth 1.7 %
Time of mid-transit   2458405.0558 ± 0.0007     HJD or BJD
Orbital period 3.27623 ± 0.00001 days
Reference for orbital ephemeris   arXiv:2103.10302  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5600 ± 150 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.15 ± 0.1 dex
Stellar mass 0.995 ± 0.025   Msun
Stellar radius 0.954 ± 0.082 Rsun
Stellar logarithmic surface gravity 4.40 ± 0.11 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.0441 ± 0.0046  AU
Planetary mass 0.751 +0.102 −0.088
( 238 +32 −27 )
Mjup
Mearth
Planetary radius 1.10 ± 0.10
( 12.3 ± 1.1 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 0.56 ± 0.08
( 0.74 ± 0.11 )
ρjup
g cm-3
Planetary equilibrium temperature 1146 ± 47 K
Reference of detailed study arXiv:2103.10302  

 

NGTS-15 does not have an entry in the catalogue of orbital obliquity measurements.

 

NGTS-15 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)