TEPCat: HAT-P-30


 

This page summarises the information held within TEPCat for the transiting planetary system HAT-P-30. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2011ApJ...735...24J  
Date of discovery paper 2011 / 3 / 22 y / m / d
Data/telescope used for discovery HAT  
Right ascension 08 15 47.98 h m s
Declination +05 50 12.3 d m s
Right ascension (decimal) 123.94992 degrees
Declination (decimal) 5.83675 degrees
V-band apparent magnitude 10.36 mag
K-band apparent magnitude 9.15 mag
Transit duration 0.09404
( 2.2570 )
day
hour
Transit depth 1.3 %
Time of mid-transit   2457775.212778 ± 0.000077     HJD or BJD
Orbital period 2.81060070 ± 0.00000013 days
Reference for orbital ephemeris   arXiv:2403.17690  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6338 ± 42 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.12 ± 0.03 dex
Stellar mass 1.242 ± 0.041   Msun
Stellar radius 1.215 ± 0.051 Rsun
Stellar logarithmic surface gravity 4.36 ± 0.03 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.035 ± 0.024  
Orbital semimajor axis   0.0419 ± 0.0005  AU
Planetary mass 0.711 ± 0.028
( 226.02 ± 8.90 )
Mjup
Mearth
Planetary radius 1.417 ± 0.033
( 15.88 ± 0.37 )
Rjup
Rearth
Planetary surface gravity 9.8 ± 0.9
2.99 ± 0.04
m/s2
log(cgs)
Planetary mean density 0.28 ± 0.04
( 0.371 ± 0.053 )
ρjup
g cm-3
Planetary equilibrium temperature 1630 ± 42 K
Reference of detailed study 2022MNRAS.513.3444B  

 

Entries in the catalogue of orbital obliquity measurements:
 
Reference λ (degrees)
Johnson et al. (2011)   73.5   ±   9.0  
Cegla et al. (2023)   70.5   + 2.9   - 2.8  

 

 


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