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 2019MNRAS.490.1094K  
Date of discovery paper 2019 / 6 / 25 y / m / d
Data/telescope used for discovery TESS  
Right ascension 05 19 04.35 h m s
Declination −71 53 43.9 d m s
Right ascension (decimal) 79.76812 degrees
Declination (decimal) -71.89553 degrees
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   2459149.7199 ± 0.0001     HJD or BJD
Orbital period 4.231115 ± 0.000001 days
Reference for orbital ephemeris   2023MNRAS.519.3723M  

 

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 2019MNRAS.490.1094K  

 

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

 


Page generated on 2024/04/19           John Southworth   (Keele University, UK)