2M 0103-55 (AB)

Display orbital revolution around the star 2M 0103-55 (AB)
Imaginary Picture of Star 2M 0103-55 (AB)
Star Name : 2M 0103-55 (AB)
Alternate Name :
Star Distance (LY/pc): 153.9456 (LY) 47.2000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.3994 (Rsun, estimated)
Stellar Mass (Msun): 0.4000 (Msun/observed) 0.4000 (Msun/estimated)
Spectral type : M
Metalicity : 0.0000
Absolute Magnitude : 4.13
Apparent Magnitude : 7.50
Right Ascension(RA) : 15.90000
Declination(DEC) : -55.26560
  • This is the 2M 0103-55 (AB) . The star 2M 0103-55 (AB) islocated about 153.9 light-years (47.2 pc) away from our Solar System.
  • The star 2M 0103-55 (AB) has apparent magnitude of 7.5, with absolute magnitude of 4.1.
  • It is 0.4 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3300 with its spectral types of M
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet 2M 0103-55 (AB) b radius 0.907830 mass 13.000000 orbital distance 84.000000
    (Illustration of the 2M 0103-55 (AB)'s Planetary System)



    The Star 2M 0103-55 (AB) 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.094 AU ( 14095436.7 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.130 AU ( 19483577.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.198 AU ( 29688659.7 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.292 AU ( 43688163.4 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star 2M 0103-55 (AB))



    Kopparapu's Recent Venus for Star 2M 0103-55 (AB) distance : 0.116 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star 2M 0103-55 (AB) distance : 0.147 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star 2M 0103-55 (AB) distance : 0.142 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star 2M 0103-55 (AB) distance : 0.155 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star 2M 0103-55 (AB) distance : 0.288 AU
    Kopparapu's Outer Boundary for Early Mars for Star 2M 0103-55 (AB) distance : 0.304 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star 2M 0103-55 (AB))



  • Original Kopparapu Recent Venus for Star 2M 0103-55 (AB) distance : 0.115 AU
  • Original Kopparapu Runaway Greenhouse for Star 2M 0103-55 (AB) distance : 0.152 AU
  • Original Kopparapu Moist Greenhouse for Star 2M 0103-55 (AB) distance : 0.152 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star 2M 0103-55 (AB) distance : 0.293 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star 2M 0103-55 (AB) distance : 0.304 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star 2M 0103-55 (AB))



    (Position in Stellar Map of star 2M 0103-55 (AB) )



    (Zoomed position in Stellar Map of star 2M 0103-55 (AB) (zoom level 3))

    (Synthetic Spectrum of star K2-229*)
    *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