TEPCat: HD 307842


 

This page summarises the information held within TEPCat for the transiting planetary system HD 307842. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2023AJ....166...32H  
Date of discovery paper 2023 / 6 / 27 y / m / d
Data/telescope used for discovery TESS  
Right ascension 10 37 21.88 h m s
Declination −63 39 18.1 d m s
Right ascension (decimal) 159.34117 degrees
Declination (decimal) -63.65503 degrees
V-band apparent magnitude 9.41 mag
K-band apparent magnitude 7.64 mag
Transit duration 0.095
( 2.28 )
day
hour
Transit depth 0.03 %
Time of mid-transit   2459336.61121 ± 0.00047     HJD or BJD
Orbital period 2.7970365 ± 0.0000031 days
Reference for orbital ephemeris   2023AJ....166...32H  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5558 ± 100 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.13 ± 0.08 dex
Stellar mass 0.91 ± 0.10   Msun
Stellar radius 0.907 ± 0.017 Rsun
Stellar logarithmic surface gravity 4.48 ± 0.10 c.g.s.
Stellar mean density 1.26 +0.08 −0.13
( 1.78 +0.11 −0.18 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.038 ± 0.001  AU
Planetary mass 0.0304 ± 0.0026
( 9.66 ± 0.83 )
Mjup
Mearth
Planetary radius 0.172 +0.010 −0.008
( 1.928 +0.112 −0.090 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 5.6 +1.1 −0.9
( 7.4 +1.5 −1.2 )
ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study 2023AJ....166...32H  

 

HD 307842 does not have an entry in the catalogue of orbital obliquity measurements.

 


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