LTT 3780
Imaginary Picture of Star LTT 3780
Star Name : LTT 3780
Alternate Name : "LP 729-54, TOI-732"
Star Distance (LY/pc): 71.7388 (LY) 21.9952 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.3740 (Rsun, estimated)
Stellar Mass (Msun): 0.4010 (Msun/observed) 0.4010 (Msun/estimated)
Spectral type : M4V
Metalicity : 0.2800
Absolute Magnitude : 11.29
Apparent Magnitude : 13.00
Right Ascension(RA) : 154.64640
Declination(DEC) : -11.71778
  • This is the LTT 3780 . The star LTT 3780 islocated about 71.7 light-years (22.0 pc) away from our Solar System.
  • The star LTT 3780 has apparent magnitude of 13.0, with absolute magnitude of 11.3.
  • It is 0.4 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3360 with its spectral types of M4V
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet LTT 3780 b radius 0.118830 mass 0.009820 orbital distance 0.012000
  • Name of the 2 Planet LTT 3780 c radius 0.205000 mass 0.026700 orbital distance 0.077000
    (Illustration of the LTT 3780's Planetary System)



    The Star LTT 3780 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.091 AU ( 13683848.9 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.126 AU ( 18914655.2 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.193 AU ( 28821748.7 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.284 AU ( 42412465.8 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star LTT 3780)



    Kopparapu's Recent Venus for Star LTT 3780 distance : 0.104 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star LTT 3780 distance : 0.131 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star LTT 3780 distance : 0.126 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star LTT 3780 distance : 0.138 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star LTT 3780 distance : 0.257 AU
    Kopparapu's Outer Boundary for Early Mars for Star LTT 3780 distance : 0.271 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star LTT 3780)



  • Original Kopparapu Recent Venus for Star LTT 3780 distance : 0.103 AU
  • Original Kopparapu Runaway Greenhouse for Star LTT 3780 distance : 0.136 AU
  • Original Kopparapu Moist Greenhouse for Star LTT 3780 distance : 0.136 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star LTT 3780 distance : 0.261 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star LTT 3780 distance : 0.271 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star LTT 3780)



    (Position in Stellar Map of star LTT 3780 )



    (Zoomed position in Stellar Map of star LTT 3780 (zoom level 3))