TEPCat: TOI-1982


 

This page summarises the information held within TEPCat for the transiting brown dwarf system TOI-1982. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2205.10854  
Date of discovery paper 2022 / 5 / 24 y / m / d
Data/telescope used for discovery TESS  
Right ascension 13 50 20.36 h m s
Declination −23 23 00.2 d m s
Right ascension (decimal) 207.58483 degrees
Declination (decimal) -23.38339 degrees
V-band apparent magnitude 10.55 mag
K-band apparent magnitude 9.54 mag
Transit duration 0.2
( 5. )
day
hour
Transit depth 0.5 %
Time of mid-transit   2459323.8230 ± 0.0014     HJD or BJD
Orbital period 17.172446 ± 0.000044 days
Reference for orbital ephemeris   arXiv:2205.10854  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6325 ± 110 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.10 ± 0.09 dex
Stellar mass 1.41 ± 0.08   Msun
Stellar radius 1.51 ± 0.05 Rsun
Stellar logarithmic surface gravity 4.23 ± 0.04 c.g.s.
Stellar mean density 0.405 +0.034 −0.033
( 0.571 +0.048 −0.047 )
ρsun
g cm-3
Orbital eccentricity 0.272 ± 0.014  
Orbital semimajor axis   0.1457 ± 0.0066  AU
Planetary mass 65.9 +2.8 −2.7
( 209490 +8901 −8583 )
Mjup
Mearth
Planetary radius 1.08 ± 0.04
( 12.11 ± 0.45 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 49.8 ± 6.1
( 66.1 ± 8.1 )
ρjup
g cm-3
Planetary equilibrium temperature 982 ± 17 K
Reference of detailed study arXiv:2205.10854  

 

TOI-1982 does not have an entry in the catalogue of orbital obliquity measurements.

 

TOI-1982 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)