TEPCat: HD 97658


 

This page summarises the information held within TEPCat for the transiting planetary system HD 97658. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2013ApJ...772L...2D  
Date of discovery paper 2013 / 5 / 31 y / m / d
Right ascension 11 14 33.16 h m s
Declination +25 42 37.4 d m s
V-band apparent magnitude 7.71 mag
K-band apparent magnitude 5.73 mag
Transit duration 0.1187
( 2.849 )
day
hour
Transit depth 0.077 %
Time of mid-transit   2456665.46678 ± 0.00032     HJD or BJD
Orbital period 9.489420 ± 0.000047 days
Reference for orbital ephemeris   2014ApJ...794..155K  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5170 ± 44 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.23 ± 0.03 dex
Stellar mass 0.77 ± 0.05   Msun
Stellar radius 0.741 +0.024 −0.023 Rsun
Stellar logarithmic surface gravity 4.583 +0.047 −0.054 c.g.s.
Stellar mean density 1.89 +0.23 −0.20
( 2.67 +0.32 −0.28 )
ρsun
g cm-3
Orbital eccentricity 0.078 +0.057 −0.053  
Orbital semimajor axis   0.0800 +0.0017 −0.0018  AU
Planetary mass 0.0238 +0.0026 −0.0025
( 7.57 +0.83 −0.79 )
Mjup
Mearth
Planetary radius 0.2005 +0.0087 −0.0085
( 2.247 +0.098 −0.095 )
Rjup
Rearth
Planetary surface gravity 14.7 +2.1 −1.9
3.17 +0.06 −0.06
m/s2
log(cgs)
Planetary mean density 2.94 +0.53 −0.46
( 3.90 +0.70 −0.61 )
ρjup
g cm-3
Planetary equilibrium temperature 757 +12 −13 K
Reference of detailed study 2014ApJ...786....2V  

 

HD 97658 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

HD 97658 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/13           John Southworth   (Keele University, UK)