TEPCat: TOI-1899


 

This page summarises the information held within TEPCat for the transiting planetary system TOI-1899. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2007.07098  
Date of discovery paper 2020 / 7 / 15 y / m / d
Right ascension 19 57 42.44 h m s
Declination +40 08 36.1 d m s
V-band apparent magnitude 14.29 mag
K-band apparent magnitude 10.51 mag
Transit duration 0.201
( 4.82 )
day
hour
Transit depth 4.0 %
Time of mid-transit   2458711.9578 ± 0.0012     HJD or BJD
Orbital period 29.02 ± 0.30 days
Reference for orbital ephemeris   arXiv:2007.07098  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3841 +54 −45 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.20 ± 0.13 dex
Stellar mass 0.627 +0.026 −0.028   Msun
Stellar radius 0.607 +0.019 −0.023 Rsun
Stellar logarithmic surface gravity 4.669 +0.025 −0.022 c.g.s.
Stellar mean density 2.80 +0.26 −0.21
( 3.95 +0.37 −0.30 )
ρsun
g cm-3
Orbital eccentricity 0.118 +0.073 −0.077  
Orbital semimajor axis   0.1587 +0.0067 −0.0075  AU
Planetary mass 0.66 ± 0.07
( 209 ± 22 )
Mjup
Mearth
Planetary radius 1.37 +0.05 −0.06
( 15.36 + 0.56 − 0.67 )
Rjup
Rearth
Planetary surface gravity 8.8 ± 1.1
2.94 ± 0.05
m/s2
log(cgs)
Planetary mean density 0.24 +0.04 −0.05
( 0.318 +0.053 −0.066 )
ρjup
g cm-3
Planetary equilibrium temperature 362 ± 7 K
Reference of detailed study arXiv:2007.07098  

 

TOI-1899 does not have an entry in the catalogue of orbital obliquity measurements.

 

TOI-1899 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2021/12/02           John Southworth   (Keele University, UK)