TEPCat: XO-1


 

This page summarises the information held within TEPCat for the transiting planetary system XO-1. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2006ApJ...648.1228M  
Date of discovery paper 2006 / 4 / 6 y / m / d
Data/telescope used for discovery XO  
Right ascension 16 02 11.84 h m s
Declination +28 10 10.4 d m s
Right ascension (decimal) 240.54933 degrees
Declination (decimal) 28.16956 degrees
V-band apparent magnitude 11.14 mag
K-band apparent magnitude 9.53 mag
Transit duration 0.1238
( 2.971 )
day
hour
Transit depth 1.9 %
Time of mid-transit   2455314.572766 ± 0.000049     HJD or BJD
Orbital period 3.94150514 ± 0.00000020 days
Reference for orbital ephemeris   2018MNRAS.481.4261S  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5740 ± 50 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.03 ± 0.05 dex
Stellar mass 1.018 ± 0.044   Msun
Stellar radius 0.930 ± 0.015 Rsun
Stellar logarithmic surface gravity 4.509 ± 0.010 c.g.s.
Stellar mean density 1.265 ± 0.030
( 1.785 ± 0.042 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.043 −0.0  
Orbital semimajor axis   0.04914 ± 0.00070  AU
Planetary mass 0.907 ± 0.030
( 288.33 ± 9.54 )
Mjup
Mearth
Planetary radius 1.199 ± 0.021
( 13.44 ± 0.24 )
Rjup
Rearth
Planetary surface gravity 15.65 ± 0.40
3.19 ± 0.01
m/s2
log(cgs)
Planetary mean density 0.492 ± 0.019
( 0.653 ± 0.025 )
ρjup
g cm-3
Planetary equilibrium temperature 1204 ± 11 K
Reference of detailed study 2018MNRAS.481.4261S  

 

XO-1 does not have an entry in the catalogue of orbital obliquity measurements.

 


Page generated on 2024/07/19           John Southworth   (Keele University, UK)