TEPCat: TOI-776c


 

This page summarises the information held within TEPCat for the transiting planetary system TOI-776c. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2009.08338  
Date of discovery paper 2020 / 9 / 18 y / m / d
Right ascension 11 54 18.39 h m s
Declination −37 33 09.8 d m s
V-band apparent magnitude 11.54 mag
K-band apparent magnitude 7.88 mag
Transit duration 0.130
( 3.12 )
day
hour
Transit depth 0.15 %
Time of mid-transit   2458572.5997 ± 0.0023     HJD or BJD
Orbital period 15.6653 ± 0.0008 days
Reference for orbital ephemeris   arXiv:2009.08338  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3709 ± 70 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.20 ± 0.12 dex
Stellar mass 0.544 ± 0.028   Msun
Stellar radius 0.538 ± 0.024 Rsun
Stellar logarithmic surface gravity 4.727 ± 0.025 c.g.s.
Stellar mean density 4.00 +0.53 −0.64
( 5.64 +0.75 −0.90 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.1000 ± 0.0017  AU
Planetary mass 0.0192 ± 0.0047
( 6.1 ± 1.5 )
Mjup
Mearth
Planetary radius 0.184 ± 0.012
( 2.06 ± 0.13 )
Rjup
Rearth
Planetary surface gravity 14.2 +4.0 −3.5
3.2 +0.1 −0.1
m/s2
log(cgs)
Planetary mean density 2.9 +0.9 −0.8
( 3.8 +1.2 −1.1 )
ρjup
g cm-3
Planetary equilibrium temperature 415 ± 10 K
Reference of detailed study arXiv:2009.08338  

 

TOI-776c does not have an entry in the catalogue of orbital obliquity measurements.

 

TOI-776c 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)