TEPCat: Qatar-3


 

This page summarises the information held within TEPCat for the transiting planetary system Qatar-3. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2017AJ....153..200A  
Date of discovery paper 2017 / 4 / 10 y / m / d
Right ascension 23 56 36.48 h m s
Declination +36 12 46.6 d m s
V-band apparent magnitude 12.88 mag
K-band apparent magnitude 11.22 mag
Transit duration 0.1296
( 3.110 )
day
hour
Transit depth 0.9 %
Time of mid-transit   2457302.45300 ± 0.00010     HJD or BJD
Orbital period 2.50792 ± 0.00093 days
Reference for orbital ephemeris   2017AJ....153..200A  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6009 ± 52 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.04 ± 0.08 dex
Stellar mass 1.145 ± 0.064   Msun
Stellar radius 1.272 ± 0.14 Rsun
Stellar logarithmic surface gravity 4.286 ± 0.079 c.g.s.
Stellar mean density 0.55 ± 0.14
( 0.78 ± 0.20 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.03783 ± 0.00069  AU
Planetary mass 4.31 ± 0.47
( 13701 ± 1494 )
Mjup
Mearth
Planetary radius 1.096 ± 0.14
( 12.3 ± 1.6 )
Rjup
Rearth
Planetary surface gravity 87 +23 −18
3.9 +0.1 −0.1
m/s2
log(cgs)
Planetary mean density 3.0 ± 0.9
( 4.0 ± 1.2 )
ρjup
g cm-3
Planetary equilibrium temperature 1681 ± 84 K
Reference of detailed study 2017AJ....153..200A  

 

Qatar-3 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Qatar-3 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/15           John Southworth   (Keele University, UK)