MASCARA-2

Display orbital revolution around the star MASCARA-2
Imaginary Picture of Star MASCARA-2
Star Name : MASCARA-2
Alternate Name : HD 185603
Star Distance (LY/pc): 456.8011 (LY) 140.0560 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.6000 (Rsun, estimated)
Stellar Mass (Msun): 1.8900 (Msun/observed) 1.8900 (Msun/estimated)
Spectral type : A2
Metalicity : -0.0200
Absolute Magnitude : -2.73
Apparent Magnitude : 3.00
Right Ascension(RA) : 294.66250
Declination(DEC) : 31.21917
  • This is the MASCARA-2 . The star MASCARA-2 islocated about 456.8 light-years (140.1 pc) away from our Solar System.
  • The star MASCARA-2 has apparent magnitude of 3.0, with absolute magnitude of -2.7.
  • It is 1.9 times more massive and 1.6 times bigger compared with our Sun. The surface temperature is 8980 with its spectral types of A2
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet KELT-20 b radius 1.830000 mass 3.518000 orbital distance 0.054200
    (Illustration of the MASCARA-2's Planetary System)



    The Star MASCARA-2 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 2.795 AU ( 418148716.9 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 3.864 AU ( 577990802.0 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 5.887 AU ( 880730073.2 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 8.663 AU ( 1296032885.1 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star MASCARA-2)



    Kopparapu's Recent Venus for Star MASCARA-2 distance : 2.758 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star MASCARA-2 distance : 3.495 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star MASCARA-2 distance : 3.376 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star MASCARA-2 distance : 3.654 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star MASCARA-2 distance : 6.054 AU
    Kopparapu's Outer Boundary for Early Mars for Star MASCARA-2 distance : 6.382 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star MASCARA-2)



  • Original Kopparapu Recent Venus for Star MASCARA-2 distance : 2.808 AU
  • Original Kopparapu Runaway Greenhouse for Star MASCARA-2 distance : 3.555 AU
  • Original Kopparapu Moist Greenhouse for Star MASCARA-2 distance : 3.716 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star MASCARA-2 distance : 6.146 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star MASCARA-2 distance : 6.392 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star MASCARA-2)



    (Position in Stellar Map of star MASCARA-2 )



    (Zoomed position in Stellar Map of star MASCARA-2 (zoom level 3))

    (Synthetic Spectrum of star HD 158259*)
    *Yamashiki YA et al. 2019 ApJ 881 114
    MUSCLES Paper I - France et al. 2016 ApJ 820 89
    MUSCLES Paper II- Youngblood et al. 2016 ApJ 824 101
    MUSCLES Paper III- Loyd et al. 2016 ApJ 824 102