TEPCat: Gaia-2


 

This page summarises the information held within TEPCat for the transiting planetary system Gaia-2. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2205.10197  
Date of discovery paper 2022 / 5 / 23 y / m / d
Data/telescope used for discovery Gaia  
Right ascension 07 22 56.46 h m s
Declination +67 15 09.2 d m s
Right ascension (decimal) 110.73525 degrees
Declination (decimal) 67.25256 degrees
V-band apparent magnitude 11.28 mag
K-band apparent magnitude 9.74 mag
Transit duration 0.092
( 2.21 )
day
hour
Transit depth 1.7 %
Time of mid-transit   2458843.98875 ± 0.00019     HJD or BJD
Orbital period 3.6915237 ± 0.0000035 days
Reference for orbital ephemeris   arXiv:2205.10197  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5720 ± 84 K
Stellar metal abundance ([Fe/H] or [M/H])   dex
Stellar mass 1.000 ± 0.095   Msun
Stellar radius 1.064 ± 0.031 Rsun
Stellar logarithmic surface gravity c.g.s.
Stellar mean density 1.05 ± 0.22
( 1.48 ± 0.31 )
ρsun
g cm-3
Orbital eccentricity 0.346 ± 0.023  
Orbital semimajor axis   0.0467 ± 0.0015  AU
Planetary mass 0.773 ± 0.041
( 245 ± 13 )
Mjup
Mearth
Planetary radius 1.327 ± 0.014
( 14.87 ± 0.16 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study arXiv:2205.10197  

 

Gaia-2 does not have an entry in the catalogue of orbital obliquity measurements.

 

Gaia-2 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)