17 Sco

Display orbital revolution around the star 17 Sco
Imaginary Picture of Star 17 Sco
Star Name : 17 Sco
Alternate Name :
Star Distance (LY/pc): 408.6912 (LY) 125.3054 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 25.9200 (Rsun, estimated)
Stellar Mass (Msun): 1.2200 (Msun/observed) 1.2200 (Msun/estimated)
Spectral type : K3 III
Metalicity : -0.0100
Absolute Magnitude : -0.25
Apparent Magnitude : 5.24
Right Ascension(RA) : 243.46211
Declination(DEC) : -11.83778
  • This is the 17 Sco . The star 17 Sco islocated about 408.7 light-years (125.3 pc) away from our Solar System.
  • The star 17 Sco has apparent magnitude of 5.2, with absolute magnitude of -0.2.
  • It is 1.2 times more massive and 25.9 times bigger compared with our Sun. The surface temperature is 4157 with its spectral types of K3 III
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet 17 Sco b radius 1.049873 mass 4.320000 orbital distance 1.450000
    (Illustration of the 17 Sco's Planetary System)



    The Star 17 Sco 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 9.703 AU ( 1451620720.4 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 13.413 AU ( 2006519189.4 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 20.438 AU ( 3057491202.9 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 30.076 AU ( 4499232245.2 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star 17 Sco)



    Kopparapu's Recent Venus for Star 17 Sco distance : 10.830 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star 17 Sco distance : 13.708 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star 17 Sco distance : 13.240 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star 17 Sco distance : 14.504 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star 17 Sco distance : 25.813 AU
    Kopparapu's Outer Boundary for Early Mars for Star 17 Sco distance : 27.231 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star 17 Sco)



  • Original Kopparapu Recent Venus for Star 17 Sco distance : 10.690 AU
  • Original Kopparapu Runaway Greenhouse for Star 17 Sco distance : 14.168 AU
  • Original Kopparapu Moist Greenhouse for Star 17 Sco distance : 14.145 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star 17 Sco distance : 26.228 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star 17 Sco distance : 27.276 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star 17 Sco)



    (Position in Stellar Map of star 17 Sco )



    (Zoomed position in Stellar Map of star 17 Sco (zoom level 3))

    (Synthetic Spectrum of star Lalande 21185*)
    *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