TEPCat: GJ 486


 

This page summarises the information held within TEPCat for the transiting planetary system GJ 486. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2103.04950  
Date of discovery paper 2021 / 3 / 9 y / m / d
Data/telescope used for discovery TESS  
Right ascension 12 47 56.62 h m s
Declination +09 45 05.0 d m s
Right ascension (decimal) 191.98592 degrees
Declination (decimal) 9.75139 degrees
V-band apparent magnitude 11.40 mag
K-band apparent magnitude 6.36 mag
Transit duration 0.04512
( 1.0829 )
day
hour
Transit depth 0.13 %
Time of mid-transit   2459309.67651 ± 0.00010     HJD or BJD
Orbital period 1.4671205 ± 0.0000012 days
Reference for orbital ephemeris   arXiv:2206.09990  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3291 ± 75 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.15 ± 0.13 dex
Stellar mass 0.333 ± 0.019   Msun
Stellar radius 0.339 ± 0.015 Rsun
Stellar logarithmic surface gravity 4.82 ± 0.12 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.01713 +0.00091 −0.00098  AU
Planetary mass 0.0094 ± 0.0004
( 2.99 ± 0.13 )
Mjup
Mearth
Planetary radius 0.1198 +0.0056 −0.0055
( 1.343 +0.063 −0.062 )
Rjup
Rearth
Planetary surface gravity 16.3 ± 1.7
3.21 ± 0.04
m/s2
log(cgs)
Planetary mean density 5.11 +0.81 −0.69
( 6.78 +1.07 −0.92 )
ρjup
g cm-3
Planetary equilibrium temperature 706 +19 −20 K
Reference of detailed study arXiv:2206.09990  

 

GJ 486 does not have an entry in the catalogue of orbital obliquity measurements.

 

GJ 486 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)