TEPCat: TOI-858B


 

This page summarises the information held within TEPCat for the transiting planetary system TOI-858B. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2023A+A...679A..70H  
Date of discovery paper 2023 / 9 / 21 y / m / d
Data/telescope used for discovery TESS  
Right ascension 04 11 47.96 h m s
Declination −54 35 34.5 d m s
Right ascension (decimal) 62.94983 degrees
Declination (decimal) -54.59292 degrees
V-band apparent magnitude 11.18 mag
K-band apparent magnitude 9.72 mag
Transit duration 0.15010
( 3.6024 )
day
hour
Transit depth 1.0 %
Time of mid-transit   2458386.45235 ± 0.00028     HJD or BJD
Orbital period 3.2797178 ± 0.0000014 days
Reference for orbital ephemeris   2023A+A...679A..70H  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5842 +84 −79 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.153 ± 0.091 dex
Stellar mass 1.081 +0.076 −0.070   Msun
Stellar radius 1.308 +0.037 −0.038 Rsun
Stellar logarithmic surface gravity 4.238 +0.038 −0.035 c.g.s.
Stellar mean density 0.482 +0.056 −0.052
( 0.680 +0.079 −0.073 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.15 −0.0  
Orbital semimajor axis   0.04435 +0.0010 −0.0009  AU
Planetary mass 1.10 +0.08 −0.07
( 349 +25 −22 )
Mjup
Mearth
Planetary radius 1.255 ± 0.039
( 14.07 ± 0.44 )
Rjup
Rearth
Planetary surface gravity 17.3 +1.7 −1.5
3.24 +0.04 −0.04
m/s2
log(cgs)
Planetary mean density 0.520 +0.066 −0.055
( 0.690 +0.088 −0.073 )
ρjup
g cm-3
Planetary equilibrium temperature 1529 +23 −22 K
Reference of detailed study 2023A+A...679A..70H  

 

Entries in the catalogue of orbital obliquity measurements:
 
Reference λ (degrees)
Hagelberg et al. (2023)   99.3   + 3.8   - 3.7  

 

 


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