TEPCat: V1298 Tau c


 

This page summarises the information held within TEPCat for the transiting planetary system V1298 Tau c. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2019ApJ...885L..12D  
Date of discovery paper 2019 / 2 / 27 y / m / d
Data/telescope used for discovery K2  
Right ascension 04 05 19.59 h m s
Declination +20 09 25.6 d m s
Right ascension (decimal) 61.33163 degrees
Declination (decimal) 20.15711 degrees
V-band apparent magnitude 10.12 mag
K-band apparent magnitude 8.09 mag
Transit duration 0.2011
( 4.826 )
day
hour
Transit depth 0.15 %
Time of mid-transit   2457064.2822 ± 0.0022     HJD or BJD
Orbital period 8.248720 ± 0.000024 days
Reference for orbital ephemeris   2023AJ....165..250S  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5050 ± 100 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.10 ± 0.15 dex
Stellar mass 1.157 +0.057 −0.058   Msun
Stellar radius 1.355 +0.032 −0.030 Rsun
Stellar logarithmic surface gravity 4.246 ± 0.034 c.g.s.
Stellar mean density 0.494 ± 0.053
( 0.697 ± 0.075 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.43 −0.0  
Orbital semimajor axis   0.0839 ± 0.0014  AU
Planetary mass 0.062 +0.029 −0.028
( 19.7 +9.2 −8.9 )
Mjup
Mearth
Planetary radius 0.467 ± 0.021
( 5.23 ± 0.24 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 0.57 +0.29 −0.26
( 0.76 +0.38 −0.34 )
ρjup
g cm-3
Planetary equilibrium temperature 979 ± 21 K
Reference of detailed study 2023AJ....165..250S  

 

Entries in the catalogue of orbital obliquity measurements:
 
Reference λ (degrees)
Feinstein et al. (2021)   4.9   + 15.0   - 15.1  

 

 


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