TEPCat: HD 260655c


 

This page summarises the information held within TEPCat for the transiting planetary system HD 260655c. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2022A+A...664A.199L  
Date of discovery paper 2022 / 7 / 13 y / m / d
Data/telescope used for discovery TESS  
Right ascension 06 37 10.80 h m s
Declination +17 33 53.3 d m s
Right ascension (decimal) 99.29500 degrees
Declination (decimal) 17.56481 degrees
V-band apparent magnitude 9.77 mag
K-band apparent magnitude 5.86 mag
Transit duration 0.0408
( 0.979 )
day
hour
Transit depth 0.10 %
Time of mid-transit   2459490.3646 ± 0.0004     HJD or BJD
Orbital period 5.70588 ± 0.00007 days
Reference for orbital ephemeris   2022A+A...664A.199L  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3803 ± 10 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.43 ± 0.04 dex
Stellar mass 0.439 ± 0.011   Msun
Stellar radius 0.439 ± 0.003 Rsun
Stellar logarithmic surface gravity 5.20 ± 0.07 c.g.s.
Stellar mean density 5.17 +0.33 −0.30
( 7.29 +0.47 −0.42 )
ρsun
g cm-3
Orbital eccentricity 0.038 +0.036 −0.023  
Orbital semimajor axis   0.04749 ± 0.00039  AU
Planetary mass 0.0087 ± 0.0015
( 2.77 ± 0.48 )
Mjup
Mearth
Planetary radius 0.1368 +0.0045 −0.0041
( 1.533 +0.050 −0.046 )
Rjup
Rearth
Planetary surface gravity 12.9 ± 2.2
3.11 ± 0.07
m/s2
log(cgs)
Planetary mean density 3.5 +0.7 −0.6
( 4.64 +0.93 −0.80 )
ρjup
g cm-3
Planetary equilibrium temperature 557 ± 3 K
Reference of detailed study 2022A+A...664A.199L  

 

HD 260655c does not have an entry in the catalogue of orbital obliquity measurements.

 


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