TEPCat: HD 271181


 

This page summarises the information held within TEPCat for the transiting planetary system HD 271181. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1906.09866  
Date of discovery paper 2019 / 6 / 25 y / m / d
Right ascension 05 19 04.35 h m s
Declination −71 53 43.9 d m s
V-band apparent magnitude 11.47 mag
K-band apparent magnitude 10.12 mag
Transit duration 0.205
( 4.92 )
day
hour
Transit depth 1.0 %
Time of mid-transit   2458328.8797 ± 0.0006     HJD or BJD
Orbital period 4.231306 ± 0.000060 days
Reference for orbital ephemeris   arXiv:1906.09866  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6495 ± 90 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.22 ± 0.04 dex
Stellar mass 1.435 +0.029 −0.028   Msun
Stellar radius 1.648 +0.023 −0.025 Rsun
Stellar logarithmic surface gravity 4.33 +0.25 −0.26 c.g.s.
Stellar mean density 0.320 +0.013 −0.014
( 0.452 +0.018 −0.020 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.091 −0.0  
Orbital semimajor axis   0.0580 ± 0.0014  AU
Planetary mass 1.22 ± 0.12
( 387 ± 38 )
Mjup
Mearth
Planetary radius 1.489 ± 0.034
( 16.69 ± 0.38 )
Rjup
Rearth
Planetary surface gravity 14.2 ± 1.5
3.15 ± 0.04
m/s2
log(cgs)
Planetary mean density 0.37 ± 0.04
( 0.491 ± 0.053 )
ρjup
g cm-3
Planetary equilibrium temperature 1669 +16 −14 K
Reference of detailed study arXiv:1906.09866  

 

HD 271181 does not have an entry in the catalogue of orbital obliquity measurements.

 

HD 271181 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2021/01/04           John Southworth   (Keele University, UK)