LHS 1678

Display orbital revolution around the star LHS 1678
Imaginary Picture of Star LHS 1678
Star Name : LHS 1678
Alternate Name : TOI-696
Star Distance (LY/pc): 64.8724 (LY) 19.8900 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.3290 (Rsun, estimated)
Stellar Mass (Msun): 0.3450 (Msun/observed) 0.3450 (Msun/estimated)
Spectral type : M2V
Metalicity : 0.0000
Absolute Magnitude : 10.51
Apparent Magnitude : 12.00
Right Ascension(RA) : 68.17899
Declination(DEC) : -39.79087
  • This is the LHS 1678 . The star LHS 1678 islocated about 64.9 light-years (19.9 pc) away from our Solar System.
  • The star LHS 1678 has apparent magnitude of 12.0, with absolute magnitude of 10.5.
  • It is 0.3 times more massive and 0.3 times bigger compared with our Sun. The surface temperature is 3490 with its spectral types of M2V
  • Number of Extrasolar Planets : 2
  • Name of the 1 Planet TOI-696 b radius 0.061110 mass 0.000190 orbital distance 0.012390
  • Name of the 2 Planet TOI-696 c radius 0.083950 mass 0.001230 orbital distance 0.032700
    (Illustration of the LHS 1678's Planetary System)



    The Star LHS 1678 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.087 AU ( 12986881.1 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.120 AU ( 17951263.6 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.183 AU ( 27353753.1 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.269 AU ( 40252245.9 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star LHS 1678)



    Kopparapu's Recent Venus for Star LHS 1678 distance : 0.098 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star LHS 1678 distance : 0.124 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star LHS 1678 distance : 0.120 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star LHS 1678 distance : 0.131 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star LHS 1678 distance : 0.242 AU
    Kopparapu's Outer Boundary for Early Mars for Star LHS 1678 distance : 0.255 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star LHS 1678)



  • Original Kopparapu Recent Venus for Star LHS 1678 distance : 0.097 AU
  • Original Kopparapu Runaway Greenhouse for Star LHS 1678 distance : 0.129 AU
  • Original Kopparapu Moist Greenhouse for Star LHS 1678 distance : 0.129 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star LHS 1678 distance : 0.246 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star LHS 1678 distance : 0.255 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star LHS 1678)



    (Position in Stellar Map of star LHS 1678 )



    (Zoomed position in Stellar Map of star LHS 1678 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1719*)
    *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