TEPCat: TOI-3884


 

This page summarises the information held within TEPCat for the transiting planetary system TOI-3884. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2022A+A...667L..11A  
Date of discovery paper 2022 / 10 / 21 y / m / d
Data/telescope used for discovery TESS  
Right ascension 12 06 17.44 h m s
Declination +12 30 24.9 d m s
Right ascension (decimal) 181.57267 degrees
Declination (decimal) 12.50692 degrees
V-band apparent magnitude 15.74 mag
K-band apparent magnitude 10.24 mag
Transit duration 0.0666
( 1.598 )
day
hour
Transit depth 4.0 %
Time of mid-transit   2459556.51669 ± 0.00025     HJD or BJD
Orbital period 4.5445828 ± 0.0000098 days
Reference for orbital ephemeris   2023AJ....165..249L  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3180 ± 88 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.04 ± 0.12 dex
Stellar mass 0.298 ± 0.018   Msun
Stellar radius 0.302 ± 0.012 Rsun
Stellar logarithmic surface gravity 4.97 ± 0.05 c.g.s.
Stellar mean density 10.8 ± 1.4
( 15.2 ± 2.0 )
ρsun
g cm-3
Orbital eccentricity 0.06 +0.06 −0.04  
Orbital semimajor axis   0.0361 ± 0.0008  AU
Planetary mass 0.103 ± 0.023
( 32.7 ± 7.3 )
Mjup
Mearth
Planetary radius 0.574 ± 0.018
( 6.43 ± 0.20 )
Rjup
Rearth
Planetary surface gravity 4.1 +0.9 −0.8
2.61 +0.09 −0.09
m/s2
log(cgs)
Planetary mean density 0.51 +0.14 −0.12
( 0.68 +0.19 −0.16 )
ρjup
g cm-3
Planetary equilibrium temperature 441 ± 15 K
Reference of detailed study 2023AJ....165..249L  

 

Entries in the catalogue of orbital obliquity measurements:
 
Reference λ (degrees)
Libby-Roberts et al.(2023)   75   ±   10  

 

 


Page generated on 2024/03/28           John Southworth   (Keele University, UK)