TEPCat: HD 137496


 

This page summarises the information held within TEPCat for the transiting planetary system HD 137496. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2111.08764  
Date of discovery paper 2021 / 11 / 18 y / m / d
Data/telescope used for discovery K2  
Right ascension 15 26 58.07 h m s
Declination −16 30 31.7 d m s
Right ascension (decimal) 231.74196 degrees
Declination (decimal) -16.50881 degrees
V-band apparent magnitude 10.00 mag
K-band apparent magnitude 8.24 mag
Transit duration 0.137
( 3.29 )
day
hour
Transit depth 0.006 %
Time of mid-transit   2458039.1317 ± 0.0029     HJD or BJD
Orbital period 1.62116 ± 0.000080 days
Reference for orbital ephemeris   arXiv:2111.08764  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5799 ± 61 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.03 ± 0.04 dex
Stellar mass 1.04 ± 0.02   Msun
Stellar radius 1.59 ± 0.03 Rsun
Stellar logarithmic surface gravity 4.05 ± 0.1 c.g.s.
Stellar mean density 0.184 ± 0.010
( 0.260 ± 0.014 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.02732 ± 0.00019  AU
Planetary mass 0.0127 ± 0.0017
( 4.04 ± 0.54 )
Mjup
Mearth
Planetary radius 0.117 +0.005 −0.004
( 1.311 +0.056 −0.045 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 7.9 +1.6 −1.4
( 10.5 + 2.1 − 1.9 )
ρjup
g cm-3
Planetary equilibrium temperature 2130 +30 −29 K
Reference of detailed study arXiv:2111.08764  

 

HD 137496 does not have an entry in the catalogue of orbital obliquity measurements.

 

HD 137496 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2022/12/01           John Southworth   (Keele University, UK)