TEPCat: HIP 9618b


 

This page summarises the information held within TEPCat for the transiting planetary system HIP 9618b. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2023MNRAS.523.3069O  
Date of discovery paper 2023 / 6 / 8 y / m / d
Data/telescope used for discovery TESS  
Right ascension 02 03 37.03 h m s
Declination +21 16 51.1 d m s
Right ascension (decimal) 30.90429 degrees
Declination (decimal) 21.28086 degrees
V-band apparent magnitude 9.03 mag
K-band apparent magnitude 7.60 mag
Transit duration 0.2047
( 4.913 )
day
hour
Transit depth 0.15 %
Time of mid-transit   2458767.42089 ± 0.0057     HJD or BJD
Orbital period 20.772907 ± 0.000023 days
Reference for orbital ephemeris   2023MNRAS.523.3069O  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5609 ± 33 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.10 ± 0.09 dex
Stellar mass 1.022 +0.043 −0.076   Msun
Stellar radius 0.966 ± 0.005 Rsun
Stellar logarithmic surface gravity 4.45 +0.016 −0.033 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.22 +0.25 −0.15  
Orbital semimajor axis   0.1438 +0.0025 −0.0037  AU
Planetary mass 0.031 ± 0.010
( 9.9 ± 3.2 )
Mjup
Mearth
Planetary radius 0.348 ± 0.004
( 3.901 ± 0.045 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 663 +9 −6 K
Reference of detailed study 2023MNRAS.523.3069O  

 

HIP 9618b does not have an entry in the catalogue of orbital obliquity measurements.

 


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