91 Aqr

Display orbital revolution around the star 91 Aqr
Imaginary Picture of Star 91 Aqr
Star Name : 91 Aqr
Alternate Name :
Star Distance (LY/pc): 149.8190 (LY) 45.9348 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 11.0000 (Rsun, estimated)
Stellar Mass (Msun): 1.4000 (Msun/observed) 1.4000 (Msun/estimated)
Spectral type : K0 III
Metalicity : -0.0300
Absolute Magnitude : 0.90
Apparent Magnitude : 4.21
Right Ascension(RA) : 348.97083
Declination(DEC) : -9.08750
  • This is the 91 Aqr . The star 91 Aqr islocated about 149.8 light-years (45.9 pc) away from our Solar System.
  • The star 91 Aqr has apparent magnitude of 4.2, with absolute magnitude of 0.9.
  • It is 1.4 times more massive and 11.0 times bigger compared with our Sun. The surface temperature is 4665 with its spectral types of K0 III
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet 91 Aqr b radius 1.049879 mass 3.200000 orbital distance 0.700000
    (Illustration of the 91 Aqr's Planetary System)



    The Star 91 Aqr 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 5.186 AU ( 775807714.4 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 7.168 AU ( 1072369004.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 10.923 AU ( 1634053047.5 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 16.074 AU ( 2404580642.7 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star 91 Aqr)



    Kopparapu's Recent Venus for Star 91 Aqr distance : 5.693 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star 91 Aqr distance : 7.207 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star 91 Aqr distance : 6.961 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star 91 Aqr distance : 7.632 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star 91 Aqr distance : 13.249 AU
    Kopparapu's Outer Boundary for Early Mars for Star 91 Aqr distance : 13.976 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star 91 Aqr)



  • Original Kopparapu Recent Venus for Star 91 Aqr distance : 5.620 AU
  • Original Kopparapu Runaway Greenhouse for Star 91 Aqr distance : 7.436 AU
  • Original Kopparapu Moist Greenhouse for Star 91 Aqr distance : 7.436 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star 91 Aqr distance : 13.467 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star 91 Aqr distance : 14.005 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star 91 Aqr)



    (Position in Stellar Map of star 91 Aqr )



    (Zoomed position in Stellar Map of star 91 Aqr (zoom level 3))

    (Synthetic Spectrum of star MOA-2007-BLG-197L*)
    *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