TEPCat: HD 202772


 

This page summarises the information held within TEPCat for the transiting planetary system HD 202772. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2019AJ....157...51W  
Date of discovery paper 2018 / 10 / 5 y / m / d
Data/telescope used for discovery TESS  
Right ascension 21 18 47.90 h m s
Declination −26 36 59.0 d m s
Right ascension (decimal) 319.69958 degrees
Declination (decimal) -26.61639 degrees
V-band apparent magnitude 8.32 mag
K-band apparent magnitude 7.15 mag
Transit duration 0.2346
( 5.630 )
day
hour
Transit depth 0.38 %
Time of mid-transit   2458338.61047 ± 0.00024     HJD or BJD
Orbital period 3.308958 ± 0.000083 days
Reference for orbital ephemeris   2019AJ....157...51W  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6272 +71 −77 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.30 ± 0.06 dex
Stellar mass 1.720 +0.064 −0.066   Msun
Stellar radius 2.591 +0.078 −0.053 Rsun
Stellar logarithmic surface gravity 3.848 +0.030 −0.027 c.g.s.
Stellar mean density 0.099 +0.011 −0.009
( 0.140 +0.016 −0.013 )
ρsun
g cm-3
Orbital eccentricity 0.038 +0.042 −0.027  
Orbital semimajor axis   0.05208 +0.00064 −0.00068  AU
Planetary mass 1.017 +0.070 −0.068
( 323 +22 −21 )
Mjup
Mearth
Planetary radius 1.545 +0.052 −0.060
( 17.32 + 0.58 − 0.67 )
Rjup
Rearth
Planetary surface gravity 10.6 +1.0 −0.8
3.03 +0.04 −0.03
m/s2
log(cgs)
Planetary mean density 0.259 +0.032 −0.026
( 0.344 +0.042 −0.034 )
ρjup
g cm-3
Planetary equilibrium temperature 2132 +28 −30 K
Reference of detailed study 2019AJ....157...51W  

 

HD 202772 does not have an entry in the catalogue of orbital obliquity measurements.

 

HD 202772 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2022/12/07           John Southworth   (Keele University, UK)