RR Cae (AB)

Display orbital revolution around the star RR Cae (AB)
Imaginary Picture of Star RR Cae (AB)
Star Name : RR Cae (AB)
Alternate Name :
Star Distance (LY/pc): 69.1600 (LY) 21.2046 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.5558 (Rsun, estimated)
Stellar Mass (Msun): 0.6220 (Msun/observed) 0.6220 (Msun/estimated)
Spectral type : DAZ8+dM
Metalicity : 0.0000
Absolute Magnitude : 12.77
Apparent Magnitude : 14.40
Right Ascension(RA) : 65.27318
Declination(DEC) : -48.65194
  • This is the RR Cae (AB) . The star RR Cae (AB) islocated about 69.2 light-years (21.2 pc) away from our Solar System.
  • The star RR Cae (AB) has apparent magnitude of 14.4, with absolute magnitude of 12.8.
  • It is 0.6 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 5500 with its spectral types of DAZ8+dM
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet RR Cae (AB) b radius 0.907830 mass 3.000000 orbital distance 5.200000
    (Illustration of the RR Cae (AB)'s Planetary System)



    The Star RR Cae (AB) 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.364 AU ( 54489240.5 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.503 AU ( 75318370.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.767 AU ( 114768528.2 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.129 AU ( 168886916.9 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star RR Cae (AB))



    Kopparapu's Recent Venus for Star RR Cae (AB) distance : 0.762 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star RR Cae (AB) distance : 0.965 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star RR Cae (AB) distance : 0.932 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star RR Cae (AB) distance : 1.022 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star RR Cae (AB) distance : 1.718 AU
    Kopparapu's Outer Boundary for Early Mars for Star RR Cae (AB) distance : 1.812 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star RR Cae (AB))



  • Original Kopparapu Recent Venus for Star RR Cae (AB) distance : 0.759 AU
  • Original Kopparapu Runaway Greenhouse for Star RR Cae (AB) distance : 0.992 AU
  • Original Kopparapu Moist Greenhouse for Star RR Cae (AB) distance : 1.004 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star RR Cae (AB) distance : 1.747 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star RR Cae (AB) distance : 1.817 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star RR Cae (AB))



    (Position in Stellar Map of star RR Cae (AB) )



    (Zoomed position in Stellar Map of star RR Cae (AB) (zoom level 3))

    (Synthetic Spectrum of star Kepler-1544*)
    *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