NGC 6440 X-2

Display orbital revolution around the star NGC 6440 X-2
Imaginary Picture of Star NGC 6440 X-2
Star Name : NGC 6440 X-2
Alternate Name :
Star Distance (LY/pc): 27070.9480 (LY) 8300.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.2502 (Rsun, estimated)
Stellar Mass (Msun): 1.4000 (Msun/observed) 1.4000 (Msun/estimated)
Spectral type : PSR
Metalicity : 0.0000
Absolute Magnitude : 7.40
Apparent Magnitude : 22.00
Right Ascension(RA) : 267.21667
Declination(DEC) : -20.35861
  • This is the NGC 6440 X-2 . The star NGC 6440 X-2 islocated about 27070.9 light-years (8300.0 pc) away from our Solar System.
  • The star NGC 6440 X-2 has apparent magnitude of 22.0, with absolute magnitude of 7.4.
  • It is 1.4 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 5500 with its spectral types of PSR
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet NGC 6440 X-2 b radius 1.203636 mass 7.600000 orbital distance 0.002550
    (Illustration of the NGC 6440 X-2's Planetary System)



    The Star NGC 6440 X-2 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.819 AU ( 122567832.5 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.133 AU ( 169420775.3 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.726 AU ( 258159768.8 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.539 AU ( 379893409.0 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star NGC 6440 X-2)



    Kopparapu's Recent Venus for Star NGC 6440 X-2 distance : 0.762 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star NGC 6440 X-2 distance : 0.965 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star NGC 6440 X-2 distance : 0.932 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star NGC 6440 X-2 distance : 1.022 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star NGC 6440 X-2 distance : 1.718 AU
    Kopparapu's Outer Boundary for Early Mars for Star NGC 6440 X-2 distance : 1.812 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star NGC 6440 X-2)



  • Original Kopparapu Recent Venus for Star NGC 6440 X-2 distance : 0.759 AU
  • Original Kopparapu Runaway Greenhouse for Star NGC 6440 X-2 distance : 0.992 AU
  • Original Kopparapu Moist Greenhouse for Star NGC 6440 X-2 distance : 1.004 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star NGC 6440 X-2 distance : 1.747 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star NGC 6440 X-2 distance : 1.817 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star NGC 6440 X-2)



    (Position in Stellar Map of star NGC 6440 X-2 )



    (Zoomed position in Stellar Map of star NGC 6440 X-2 (zoom level 3))

    (Synthetic Spectrum of star Kepler-1286*)
    *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