NGTS-4

Display orbital revolution around the star NGTS-4
Imaginary Picture of Star NGTS-4
Star Name : NGTS-4
Alternate Name :
Star Distance (LY/pc): 921.7169 (LY) 282.6000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.8400 (Rsun, estimated)
Stellar Mass (Msun): 0.7500 (Msun/observed) 0.7500 (Msun/estimated)
Spectral type : K1
Metalicity : -0.2800
Absolute Magnitude : 5.88
Apparent Magnitude : 13.14
Right Ascension(RA) : 89.60000
Declination(DEC) : -30.81194
  • This is the NGTS-4 . The star NGTS-4 islocated about 921.7 light-years (282.6 pc) away from our Solar System.
  • The star NGTS-4 has apparent magnitude of 13.1, with absolute magnitude of 5.9.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5143 with its spectral types of K1
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet NGTS-4 b radius 0.283700 mass 0.064800 orbital distance 0.019000
    (Illustration of the NGTS-4's Planetary System)



    The Star NGTS-4 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.481 AU ( 72006292.0 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.665 AU ( 99531513.0 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.014 AU ( 151663999.6 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.492 AU ( 223180219.3 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star NGTS-4)



    Kopparapu's Recent Venus for Star NGTS-4 distance : 0.517 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star NGTS-4 distance : 0.655 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star NGTS-4 distance : 0.632 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star NGTS-4 distance : 0.693 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star NGTS-4 distance : 1.180 AU
    Kopparapu's Outer Boundary for Early Mars for Star NGTS-4 distance : 1.245 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star NGTS-4)



  • Original Kopparapu Recent Venus for Star NGTS-4 distance : 0.512 AU
  • Original Kopparapu Runaway Greenhouse for Star NGTS-4 distance : 0.674 AU
  • Original Kopparapu Moist Greenhouse for Star NGTS-4 distance : 0.678 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star NGTS-4 distance : 1.200 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star NGTS-4 distance : 1.248 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star NGTS-4)



    (Position in Stellar Map of star NGTS-4 )



    (Zoomed position in Stellar Map of star NGTS-4 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1290*)
    *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