TEPCat: HD 88986


 

This page summarises the information held within TEPCat for the transiting planetary system HD 88986. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2311.13513  
Date of discovery paper 2023 / 11 / 23 y / m / d
Data/telescope used for discovery TESS  
Right ascension 10 16 28.08 h m s
Declination +28 40 56.9 d m s
Right ascension (decimal) 154.11700 degrees
Declination (decimal) 28.68247 degrees
V-band apparent magnitude 6.47 mag
K-band apparent magnitude 4.88 mag
Transit duration 0.73
( 17.5 )
day
hour
Transit depth 0.03 %
Time of mid-transit   2458891.690 ± 0.003     HJD or BJD
Orbital period 147.4 ± 0.1 days
Reference for orbital ephemeris   arXiv:2311.13513  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5861 ± 17 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.06 ± 0.02 dex
Stellar mass 1.25 ± 0.05   Msun
Stellar radius 1.543 ± 0.010 Rsun
Stellar logarithmic surface gravity 4.16 ± 0.03 c.g.s.
Stellar mean density 0.334 ± 0.027
( 0.471 ± 0.038 )
ρsun
g cm-3
Orbital eccentricity 0.24 ± 0.05  
Orbital semimajor axis   0.58 ± 0.04  AU
Planetary mass 0.054 +0.013 −0.012
( 17.2 +4.1 −3.8 )
Mjup
Mearth
Planetary radius 0.222 ± 0.016
( 2.49 ± 0.18 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 4.6 +2.5 −1.7
( 6.1 +3.3 −2.3 )
ρjup
g cm-3
Planetary equilibrium temperature 460 ± 8 K
Reference of detailed study arXiv:2311.13513  

 

HD 88986 does not have an entry in the catalogue of orbital obliquity measurements.

 


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