TEPCat: TOI-677


 

This page summarises the information held within TEPCat for the transiting planetary system TOI-677. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2020AJ....159..145J  
Date of discovery paper 2019 / 11 / 14 y / m / d
Data/telescope used for discovery TESS  
Right ascension 09 36 28.69 h m s
Declination −50 27 47.8 d m s
Right ascension (decimal) 144.11954 degrees
Declination (decimal) -50.46328 degrees
V-band apparent magnitude 9.74 mag
K-band apparent magnitude 8.43 mag
Transit duration 0.1056
( 2.534 )
day
hour
Transit depth 0.9 %
Time of mid-transit   2458547.47449 ± 0.00016     HJD or BJD
Orbital period 11.2365985 ± 0.000019 days
Reference for orbital ephemeris   arXiv:2402.07346  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6295 ± 80 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.02 ± 0.05 dex
Stellar mass 1.181 ± 0.058   Msun
Stellar radius 1.28 ± 0.03 Rsun
Stellar logarithmic surface gravity 4.286 +0.016 −0.015 c.g.s.
Stellar mean density 0.57 ± 0.04
( 0.804 ± 0.056 )
ρsun
g cm-3
Orbital eccentricity 0.460 +0.019 −0.018  
Orbital semimajor axis   0.1041 +0.0035 −0.0034  AU
Planetary mass 1.234 +0.083 −0.084
( 392 +26 −26 )
Mjup
Mearth
Planetary radius 1.179 +0.029 −0.030
( 13.22 + 0.33 − 0.34 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 1252 ± 21 K
Reference of detailed study arXiv:2402.07346  

 

Entries in the catalogue of orbital obliquity measurements:
 
Reference λ (degrees)
Sedaghati et al. (2023)   0.3   ±   1.3  
Hu et al. (2024)   3.2   + 1.6   - 1.5  

 

 


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