TEPCat: HATS-77


 

This page summarises the information held within TEPCat for the transiting planetary system HATS-77. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2022AJ....163..125J  
Date of discovery paper 2021 / 12 / 6 y / m / d
Data/telescope used for discovery HATS  
Right ascension 09 59 17.66 h m s
Declination −27 23 34.1 d m s
Right ascension (decimal) 149.82358 degrees
Declination (decimal) -27.39281 degrees
V-band apparent magnitude 16.35 mag
K-band apparent magnitude 12.93 mag
Transit duration 0.09282
( 2.2277 )
day
hour
Transit depth 3.5 %
Time of mid-transit   2459136.69378 ± 0.00020     HJD or BJD
Orbital period 3.0876262 ± 0.0000016 days
Reference for orbital ephemeris   2022AJ....163..125J  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4071 ± 13 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.253 ± 0.039 dex
Stellar mass 0.655 ± 0.014   Msun
Stellar radius 0.6428 ± 0.0066 Rsun
Stellar logarithmic surface gravity 4.638 ± 0.014 c.g.s.
Stellar mean density 2.47 +0.12 −0.09
( 3.49 +0.17 −0.13 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.045 −0.0  
Orbital semimajor axis   0.03607 ± 0.00025  AU
Planetary mass 1.374 +0.100 −0.074
( 436 +31 −23 )
Mjup
Mearth
Planetary radius 1.165 ± 0.021
( 13.06 ± 0.24 )
Rjup
Rearth
Planetary surface gravity 25.0 +2.3 −1.6
3.40 +0.04 −0.03
m/s2
log(cgs)
Planetary mean density 0.812 +0.084 −0.061
( 1.077 +0.111 −0.081 )
ρjup
g cm-3
Planetary equilibrium temperature 828 ± 6 K
Reference of detailed study 2022AJ....163..125J  

 

HATS-77 does not have an entry in the catalogue of orbital obliquity measurements.

 

HATS-77 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2022/12/07           John Southworth   (Keele University, UK)