TEPCat: XO-7


 

This page summarises the information held within TEPCat for the transiting planetary system XO-7. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1912.02821  
Date of discovery paper 2019 / 12 / 9 y / m / d
Right ascension 18 29 54.93 h m s
Declination +85 13 59.6 d m s
V-band apparent magnitude 10.52 mag
K-band apparent magnitude 9.24 mag
Transit duration 0.1155
( 2.772 )
day
hour
Transit depth 0.9 %
Time of mid-transit   2457917.47503 ± 0.00045     HJD or BJD
Orbital period 2.8641424 ± 0.0000043 days
Reference for orbital ephemeris   arXiv:1912.02821  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6250 ± 100 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.432 ± 0.057 dex
Stellar mass 1.405 ± 0.059   Msun
Stellar radius 1.480 ± 0.022 Rsun
Stellar logarithmic surface gravity 4.246 ± 0.023 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.038 ± 0.033  
Orbital semimajor axis   0.04421 ± 0.00062  AU
Planetary mass 0.709 ± 0.034
( 225 ± 10 )
Mjup
Mearth
Planetary radius 1.373 ± 0.026
( 15.39 ± 0.29 )
Rjup
Rearth
Planetary surface gravity 9.33 +0.62 −0.58
2.97 +0.03 −0.03
m/s2
log(cgs)
Planetary mean density 0.256 ± 0.020
( 0.340 ± 0.027 )
ρjup
g cm-3
Planetary equilibrium temperature 1743 ± 23 K
Reference of detailed study arXiv:1912.02821  

 

XO-7 does not have an entry in the catalogue of orbital obliquity measurements.

 

XO-7 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)