TEPCat: Gaia-1


 

This page summarises the information held within TEPCat for the transiting planetary system Gaia-1. 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 06 02 34.47 h m s
Declination −00 34 37.0 d m s
Right ascension (decimal) 90.64363 degrees
Declination (decimal) -0.57694 degrees
V-band apparent magnitude 13.24 mag
K-band apparent magnitude 11.27 mag
Transit duration 0.092
( 2.21 )
day
hour
Transit depth 1.3 %
Time of mid-transit   2458468.18524 ± 0.00057     HJD or BJD
Orbital period 3.052524 ± 0.000017 days
Reference for orbital ephemeris   arXiv:2205.10197  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5470 ± 110 K
Stellar metal abundance ([Fe/H] or [M/H])   dex
Stellar mass 0.949 ± 0.066   Msun
Stellar radius 0.952 ± 0.025 Rsun
Stellar logarithmic surface gravity c.g.s.
Stellar mean density 1.10 ± 0.12
( 1.55 ± 0.17 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.04047 ± 0.00094  AU
Planetary mass 1.68 ± 0.11
( 534 ± 34 )
Mjup
Mearth
Planetary radius 1.229 ± 0.021
( 13.78 ± 0.24 )
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-1 does not have an entry in the catalogue of orbital obliquity measurements.

 

Gaia-1 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)