USco 1556 A

Display orbital revolution around the star USco 1556 A
Imaginary Picture of Star USco 1556 A
Star Name : USco 1556 A
Alternate Name :
Star Distance (LY/pc): 459.8800 (LY) 141.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.3424 (Rsun, estimated)
Stellar Mass (Msun): 0.3300 (Msun/observed) 0.3300 (Msun/estimated)
Spectral type : M3.0
Metalicity : 0.0000
Absolute Magnitude : 9.25
Apparent Magnitude : 15.00
Right Ascension(RA) : 239.10417
Declination(DEC) : -25.68889
  • This is the USco 1556 A . The star USco 1556 A islocated about 459.9 light-years (141.0 pc) away from our Solar System.
  • The star USco 1556 A has apparent magnitude of 15.0, with absolute magnitude of 9.3.
  • It is 0.3 times more massive and 0.3 times bigger compared with our Sun. The surface temperature is 3410 with its spectral types of M3.0
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet USco 1556A b radius 0.907830 mass 14.000000 orbital distance 3500.000000
    (Illustration of the USco 1556 A's Planetary System)



    The Star USco 1556 A 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.086 AU ( 12903166.5 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.119 AU ( 17835548.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.182 AU ( 27177428.2 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.267 AU ( 39992776.2 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star USco 1556 A)



    Kopparapu's Recent Venus for Star USco 1556 A distance : 0.134 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star USco 1556 A distance : 0.170 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star USco 1556 A distance : 0.164 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star USco 1556 A distance : 0.180 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star USco 1556 A distance : 0.332 AU
    Kopparapu's Outer Boundary for Early Mars for Star USco 1556 A distance : 0.351 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star USco 1556 A)



  • Original Kopparapu Recent Venus for Star USco 1556 A distance : 0.133 AU
  • Original Kopparapu Runaway Greenhouse for Star USco 1556 A distance : 0.176 AU
  • Original Kopparapu Moist Greenhouse for Star USco 1556 A distance : 0.177 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star USco 1556 A distance : 0.338 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star USco 1556 A distance : 0.351 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star USco 1556 A)



    (Position in Stellar Map of star USco 1556 A )



    (Zoomed position in Stellar Map of star USco 1556 A (zoom level 3))

    (Synthetic Spectrum of star K2-163*)
    *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