beta Cir

Display orbital revolution around the star beta Cir
Imaginary Picture of Star beta Cir
Star Name : beta Cir
Alternate Name : bet Cir
Star Distance (LY/pc): 99.6505 (LY) 30.5530 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.5316 (Rsun, estimated)
Stellar Mass (Msun): 1.9600 (Msun/observed) 1.9600 (Msun/estimated)
Spectral type : A3V
Metalicity : 0.0000
Absolute Magnitude : 19.57
Apparent Magnitude : 22.00
Right Ascension(RA) : 229.34005
Declination(DEC) : -58.80111
  • This is the beta Cir . The star beta Cir islocated about 99.7 light-years (30.6 pc) away from our Solar System.
  • The star beta Cir has apparent magnitude of 22.0, with absolute magnitude of 19.6.
  • It is 2.0 times more massive and 1.5 times bigger compared with our Sun. The surface temperature is 8676 with its spectral types of A3V
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet beta Cir b radius 0.907830 mass 56.000000 orbital distance 6656.000000
    (Illustration of the beta Cir's Planetary System)



    The Star beta Cir 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 2.498 AU ( 373637902.5 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 3.452 AU ( 516465224.5 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 5.261 AU ( 786978708.7 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 7.741 AU ( 1158073645.1 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star beta Cir)



    Kopparapu's Recent Venus for Star beta Cir distance : 2.600 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star beta Cir distance : 3.294 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star beta Cir distance : 3.181 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star beta Cir distance : 3.453 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star beta Cir distance : 5.693 AU
    Kopparapu's Outer Boundary for Early Mars for Star beta Cir distance : 6.002 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star beta Cir)



  • Original Kopparapu Recent Venus for Star beta Cir distance : 2.680 AU
  • Original Kopparapu Runaway Greenhouse for Star beta Cir distance : 3.355 AU
  • Original Kopparapu Moist Greenhouse for Star beta Cir distance : 3.546 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star beta Cir distance : 5.786 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star beta Cir distance : 6.017 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star beta Cir)



    (Position in Stellar Map of star beta Cir )



    (Zoomed position in Stellar Map of star beta Cir (zoom level 3))

    (Synthetic Spectrum of star K2-351*)
    *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