TEPCat: GJ 3929


 

This page summarises the information held within TEPCat for the transiting planetary system GJ 3929. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2202.00970  
Date of discovery paper 2022 / 2 / 3 y / m / d
Data/telescope used for discovery TESS  
Right ascension 15 58 18.80 h m s
Declination +35 24 24.3 d m s
Right ascension (decimal) 239.57833 degrees
Declination (decimal) 35.40675 degrees
V-band apparent magnitude 12.68 mag
K-band apparent magnitude 7.87 mag
Transit duration 0.0495
( 1.188 )
day
hour
Transit depth 0.1 %
Time of mid-transit   2459320.05808 ± 0.00019     HJD or BJD
Orbital period 2.6162745 ± 0.0000003 days
Reference for orbital ephemeris   arXiv:2202.00970  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3384 ± 88 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.02 ± 0.12 dex
Stellar mass 0.313 +0.027 −0.022   Msun
Stellar radius 0.32 ± 0.01 Rsun
Stellar logarithmic surface gravity 4.89 ± 0.05 c.g.s.
Stellar mean density 9.43 ± 0.78
( 13.3 ± 1.1 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.0252 ± 0.0005  AU
Planetary mass 0.0055 ± 0.0014
( 1.75 ± 0.45 )
Mjup
Mearth
Planetary radius 0.0972 ± 0.0036
( 1.090 ± 0.040 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 5.5 ± 1.5
( 7.3 ± 2.0 )
ρjup
g cm-3
Planetary equilibrium temperature 568 ± 6 K
Reference of detailed study arXiv:2207.10672  

 

GJ 3929 does not have an entry in the catalogue of orbital obliquity measurements.

 

GJ 3929 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2022/12/01           John Southworth   (Keele University, UK)