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 0.1761
( 4.226 )
day
hour
Transit depth 0.62 %
Time of mid-transit   2458833.488151 ± 0.00009     HJD or BJD
Orbital period 2.14877381 ± 0.00000088 days
Reference for orbital ephemeris   arXiv:2109.05031  

 

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])   +0.15 ± 0.15 dex
Stellar mass 1.900 +0.078 −0.073   Msun
Stellar radius 2.082 +0.022 −0.024 Rsun
Stellar logarithmic surface gravity 4.099 +0.006 −0.007 c.g.s.
Stellar mean density 0.2104 +0.0019 −0.0017
( 0.2969 +0.0027 −0.0024 )
ρsun
g cm-3
Orbital eccentricity 0.00034 +0.00034 −0.00023  
Orbital semimajor axis   0.04035 ± 0.00005  AU
Planetary mass 3.7 ± 0.9
( 11762 ± 2861 )
Mjup
Mearth
Planetary radius 1.597 +0.018 −0.019
( 17.90 + 0.20 − 0.21 )
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 2594 ± 2 K
Reference of detailed study arXiv:2109.05031  

 

Entries in the catalogue of orbital obliquity measurements:
 
Reference λ (degrees)
Talens et al. (2017)   69.5   ±   3  
Hooten et al. (2021)   69.2   + 3.1   - 3.4  

 

 

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

 


Page generated on 2021/12/02           John Southworth   (Keele University, UK)