UCAC3 40-6918

Display orbital revolution around the star UCAC3 40-6918
Imaginary Picture of Star UCAC3 40-6918
Star Name : UCAC3 40-6918
Alternate Name :
Star Distance (LY/pc): 0.0000 (LY) 0.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.4478 (Rsun, estimated)
Stellar Mass (Msun): 0.0000 (Msun/observed) 0.0000 (Msun/estimated)
Spectral type : M3V
Metalicity : 0.0000
Absolute Magnitude : 25.00
Apparent Magnitude : 22.00
Right Ascension(RA) : 52.03542
Declination(DEC) : -70.02778
  • The star UCAC3 40-6918 has apparent magnitude of 22.0, with absolute magnitude of 25.0.
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet UCAC3 40-6918 b radius 0.907830 mass 15.000000 orbital distance 0.000000
  • Name of the 2 Planet UCAC3 40-6918 b radius 0.907830 mass 15.000000 orbital distance 0.000000
    (Illustration of the UCAC3 40-6918's Planetary System)



    The Star UCAC3 40-6918 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.119 AU ( 17778498.1 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.164 AU ( 24574530.4 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.250 AU ( 37446146.1 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.368 AU ( 55103644.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star UCAC3 40-6918)



    Kopparapu's Recent Venus for Star UCAC3 40-6918 distance : 0.134 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star UCAC3 40-6918 distance : 0.170 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star UCAC3 40-6918 distance : 0.164 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star UCAC3 40-6918 distance : 0.179 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star UCAC3 40-6918 distance : 0.331 AU
    Kopparapu's Outer Boundary for Early Mars for Star UCAC3 40-6918 distance : 0.349 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star UCAC3 40-6918)



  • Original Kopparapu Recent Venus for Star UCAC3 40-6918 distance : 0.133 AU
  • Original Kopparapu Runaway Greenhouse for Star UCAC3 40-6918 distance : 0.176 AU
  • Original Kopparapu Moist Greenhouse for Star UCAC3 40-6918 distance : 0.176 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star UCAC3 40-6918 distance : 0.336 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star UCAC3 40-6918 distance : 0.349 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star UCAC3 40-6918)



    (Position in Stellar Map of star UCAC3 40-6918 )



    (Zoomed position in Stellar Map of star UCAC3 40-6918 (zoom level 3))

    (Synthetic Spectrum of star K2-154*)
    *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