TEPCat: MASCARA-1


 

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

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2017A+A...606A..73T  
Date of discovery paper 2017 / 7 / 17 y / m / d
Right ascension 21 10 12.37 h m s
Declination +10 44 19.9 d m s
V-band apparent magnitude 8.27 mag
K-band apparent magnitude 7.74 mag
Transit duration 0.169
( 4.06 )
day
hour
Transit depth 0.8 %
Time of mid-transit   2457097.278 ± 0.002     HJD or BJD
Orbital period 2.148780 ± 0.000008 days
Reference for orbital ephemeris   2017A+A...606A..73T  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 7554 ± 150 K
Stellar metal abundance ([Fe/H] or [M/H])   0 dex
Stellar mass 1.72 ± 0.07   Msun
Stellar radius 2.1 ± 0.2 Rsun
Stellar logarithmic surface gravity 4 c.g.s.
Stellar mean density 0.23 +0.02 −0.03
( 0.325 +0.028 −0.042 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.043 ± 0.005  AU
Planetary mass 3.7 ± 0.9
( 11762 ± 2861 )
Mjup
Mearth
Planetary radius 1.5 ± 0.3
( 16.8 ± 3.4 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 1.1 ± 0.7
( 1.46 ± 0.93 )
ρjup
g cm-3
Planetary equilibrium temperature 2570 +50 −30 K
Reference of detailed study 2017A+A...606A..73T  

 

Entries in the catalogue of Rossiter-McLaughlin measurements:
 
Reference λ (degrees)
Talens et al. (2017)   69.5   ±   3  

 

 

MASCARA-1 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/15           John Southworth   (Keele University, UK)