mu Ara

Display orbital revolution around the star mu Ara
Imaginary Picture of Star mu Ara
Star Name : mu Ara
Alternate Name :
Star Distance (LY/pc): 50.5904 (LY) 15.5111 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.2450 (Rsun, estimated)
Stellar Mass (Msun): 1.0800 (Msun/observed) 1.0800 (Msun/estimated)
Spectral type : G3 IV-V
Metalicity : 0.2800
Absolute Magnitude : 4.20
Apparent Magnitude : 5.15
Right Ascension(RA) : 266.03333
Declination(DEC) : -51.83389
  • This is the mu Ara . The star mu Ara islocated about 50.6 light-years (15.5 pc) away from our Solar System.
  • The star mu Ara has apparent magnitude of 5.2, with absolute magnitude of 4.2.
  • It is 1.1 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 5700 with its spectral types of G3 IV-V
  • Number of Extrasolar Planets : 4
  • Name of the 1 Planet mu Ara b radius 0.907830 mass 1.676000 orbital distance 1.500000
  • Name of the 2 Planet mu Ara c radius 0.199039 mass 0.033210 orbital distance 0.090940
  • Name of the 3 Planet mu Ara d radius 0.907830 mass 0.521900 orbital distance 0.921000
  • Name of the 4 Planet mu Ara e radius 0.907830 mass 1.814000 orbital distance 5.235000
    (Illustration of the mu Ara's Planetary System)



    The Star mu Ara 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.876 AU ( 131092297.6 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.211 AU ( 181203813.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.846 AU ( 276114511.9 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.716 AU ( 406314600.1 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star mu Ara)



    Kopparapu's Recent Venus for Star mu Ara distance : 0.912 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star mu Ara distance : 1.156 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star mu Ara distance : 1.116 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star mu Ara distance : 1.224 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star mu Ara distance : 2.045 AU
    Kopparapu's Outer Boundary for Early Mars for Star mu Ara distance : 2.157 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star mu Ara)



  • Original Kopparapu Recent Venus for Star mu Ara distance : 0.912 AU
  • Original Kopparapu Runaway Greenhouse for Star mu Ara distance : 1.188 AU
  • Original Kopparapu Moist Greenhouse for Star mu Ara distance : 1.207 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star mu Ara distance : 2.081 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star mu Ara distance : 2.164 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star mu Ara)



    (Position in Stellar Map of star mu Ara )



    (Zoomed position in Stellar Map of star mu Ara (zoom level 3))

    (Synthetic Spectrum of star K2-374*)
    *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