TEPCat: HAT-P-70


 

This page summarises the information held within TEPCat for the transiting planetary system HAT-P-70. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1906.00462  
Date of discovery paper 2019 / 6 / 4 y / m / d
Right ascension 04 58 12.56 h m s
Declination +09 59 52.7 d m s
V-band apparent magnitude 9.47 mag
K-band apparent magnitude 8.96 mag
Transit duration 0.1450
( 3.480 )
day
hour
Transit depth 1.0 %
Time of mid-transit   2458439.57519 ± 0.00041     HJD or BJD
Orbital period 2.74432452 ± 0.00000073 days
Reference for orbital ephemeris   arXiv:1906.00462  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 8450 +540 −690 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.059 +0.075 −0.088 dex
Stellar mass 1.890 +0.010 −0.013   Msun
Stellar radius 1.858 +0.119 −0.091 Rsun
Stellar logarithmic surface gravity 4.181 +0.055 −0.063 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.04739 +0.00031 −0.00106  AU
Planetary mass 0.0 +6.78 −0.0
( 0 +2155 −0 )
Mjup
Mearth
Planetary radius 1.87 +0.15 −0.10
( 21.0 + 1.7 − 1.1 )
Rjup
Rearth
Planetary surface gravity 0.0 +53.7 −0.0
**0000000000000000000000000000000000000000000000000 +**0000000000000000000000000000000000000000000000000 −**0000000000000000000000000000000000000000000000000
m/s2
log(cgs)
Planetary mean density 0.0 +1.16 −0.0
( 0.0 +1.5 −0.0 )
ρjup
g cm-3
Planetary equilibrium temperature 2562 +43 −52 K
Reference of detailed study arXiv:1906.00462  

 

Entries in the catalogue of orbital obliquity measurements:
 
Reference λ (degrees)
Zhou et al. (2019)   113.1   + 5.1   - 3.4  

 

 

HAT-P-70 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2019/07/02           John Southworth   (Keele University, UK)