Teegarden's

Display orbital revolution around the star Teegarden's
Imaginary Picture of Star Teegarden's
Star Name : Teegarden's
Alternate Name : GAT 1370
Star Distance (LY/pc): 12.4950 (LY) 3.8310 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.1070 (Rsun, estimated)
Stellar Mass (Msun): 0.0890 (Msun/observed) 0.0890 (Msun/estimated)
Spectral type : M7.0V
Metalicity : -0.1900
Absolute Magnitude : 24.08
Apparent Magnitude : 22.00
Right Ascension(RA) : 43.25417
Declination(DEC) : 16.88139
  • This is the Teegarden's . The star Teegarden's islocated about 12.5 light-years ( 3.8 pc) away from our Solar System.
  • The star Teegarden's has apparent magnitude of 22.0, with absolute magnitude of 24.1.
  • It is 0.1 times more massive and 0.1 times bigger compared with our Sun. The surface temperature is 2900 with its spectral types of M7.0V
  • Number of Extrasolar Planets : 3
  • Name of the 1 Planet Teegarden's b radius 0.093133 mass 0.003650 orbital distance 0.025900
  • Name of the 2 Planet Teegarden's c radius 0.090653 mass 0.003300 orbital distance 0.045500
  • Name of the 3 Planet Teegarden's d radius 0.084839 mass 0.002580 orbital distance 0.079100
    (Illustration of the Teegarden's's Planetary System)



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

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.019 AU ( 2916338.2 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.027 AU ( 4031141.5 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.041 AU ( 6142567.6 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.060 AU ( 9039057.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Teegarden's)



    Kopparapu's Recent Venus for Star Teegarden's distance : 0.022 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star Teegarden's distance : 0.028 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star Teegarden's distance : 0.027 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star Teegarden's distance : 0.030 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star Teegarden's distance : 0.056 AU
    Kopparapu's Outer Boundary for Early Mars for Star Teegarden's distance : 0.059 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Teegarden's)



  • Original Kopparapu Recent Venus for Star Teegarden's distance : 0.022 AU
  • Original Kopparapu Runaway Greenhouse for Star Teegarden's distance : 0.029 AU
  • Original Kopparapu Moist Greenhouse for Star Teegarden's distance : 0.029 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Teegarden's distance : 0.057 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Teegarden's distance : 0.059 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Teegarden's)



    (Position in Stellar Map of star Teegarden's )



    (Zoomed position in Stellar Map of star Teegarden's (zoom level 3))

    (Synthetic Spectrum of star K2-148*)
    *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