TEPCat: GJ 3090


 

This page summarises the information held within TEPCat for the transiting planetary system GJ 3090. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2207.14121  
Date of discovery paper 2022 / 7 / 29 y / m / d
Data/telescope used for discovery TESS  
Right ascension 01 21 45.39 h m s
Declination −46 42 51.8 d m s
Right ascension (decimal) 20.43913 degrees
Declination (decimal) -46.71439 degrees
V-band apparent magnitude 11.40 mag
K-band apparent magnitude 7.29 mag
Transit duration 0.0539
( 1.294 )
day
hour
Transit depth 0.15 %
Time of mid-transit   2458370.41849 ± 0.00030     HJD or BJD
Orbital period 2.8531054 ± 0.0000023 days
Reference for orbital ephemeris   arXiv:2207.14121  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3556 ± 70 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.06 ± 0.12 dex
Stellar mass 0.519 ± 0.013   Msun
Stellar radius 0.516 ± 0.016 Rsun
Stellar logarithmic surface gravity c.g.s.
Stellar mean density 3.79 ± 0.38
( 5.35 ± 0.54 )
ρsun
g cm-3
Orbital eccentricity 0.18 ± 0.12  
Orbital semimajor axis   0.0317 ± 0.0014  AU
Planetary mass 0.0104 ± 0.0023
( 3.31 ± 0.73 )
Mjup
Mearth
Planetary radius 0.193 ± 0.009
( 2.16 ± 0.10 )
Rjup
Rearth
Planetary surface gravity 6.9 +1.7 −1.6
2.84 +0.10 −0.11
m/s2
log(cgs)
Planetary mean density 1.36 +0.38 −0.32
( 1.80 +0.50 −0.42 )
ρjup
g cm-3
Planetary equilibrium temperature 692 ± 18 K
Reference of detailed study arXiv:2207.14121  

 

GJ 3090 does not have an entry in the catalogue of orbital obliquity measurements.

 

GJ 3090 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)