Imaginary Picture of HATS-45 b

Display orbital revolution of HATS-45 b around the hoststar HATS-45
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Exoplanet Name : HATS-45 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.2860 (Rjup) 14.4148 (Rearth)
Mass (Mjup / Me): 0.7000 (Mjup) 222.5566 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0551 (AU) 0.0551 (AU Est.)
Eccentricity : 0.2400
Orbital Period(Yrs) 0.0115
Orbital Period(Observed/Estimated) 4.19 (Days Obs.) 4.19 (Days Est.)
Surface Gravity (G Earth) 1.0711
Star Radiation at Atmospheric Boundary: 1208465.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1479.8 (K)
Blackbody T 0.3(K) 1389.7 (K)
Blackbody T 0.7(K) 1124.4 (K)
Tidally Locked Blackbody T 0.1(K) 1759.8 (K)
Tidally Locked Blackbody T 0.3(K) 1652.6 (K)
Size Class: Super-Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Radial Velocity
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HATS-45
Alternate Name : 2MASS-06475862-2154385
Star Distance(LY) : 2668.0
Stellar Radius(Rsun) : 1.3 (Rsun Measured)
Stellar Mass(Msun) : 1.3 (Msun Measured) 1.3 (Msun Estimated)
Star Age : 1.5 (GY)
Temperature : 6450 (K)
Spectral type : F
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.0
Absolute Magnitude: 3.7
Apparent Magnitude: 13.3
Right Ascension(RA) 101.9943
Declination (DEC) -21.9107
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK https://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HATS-45&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HATS-45%20b/
HATS-45 b
HATS-45 b

  • HATS-45 b is an exoplanet orbiting the star HATS-45, located about 2668.0 light-years (818.0 pc) away from Solar System. Its discovery was publicly announced on 2017.
  • The host star HATS-45 has apparent magnitude of 13.3, with absolute magnitude of 3.7.
  • It is 1.3 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 6450 with its spectral types of F
  • In this planetary system, the extrasolar planet HATS-45 b orbits around the star HATS-45 every 4.2 days with its orbital distance of 0.06 AU ( 8244338.7 km)
  • (Projected orbit of HATS-45 b around its host star HATS-45)


  • The Star HATS-45 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.185 AU ( 177297778.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.638 AU ( 245071863.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.496 AU ( 373435285.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.673 AU ( 549526382.3 km)
  • Radiation at Planetary Boundary of HATS-45 b : 1208465.77 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HATS-45)



  • Kopparapu Recent Venus for Star HATS-45 distance : 1.180 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HATS-45 distance : 1.494 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HATS-45 distance : 1.443 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HATS-45 distance : 1.581 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-45 distance : 2.601 AU
  • Kopparapu Outer Boundary for Early Mars for Star HATS-45 distance : 2.743 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HATS-45)



  • Original Kopparapu Recent Venus for Star HATS-45 distance : 1.198 AU
  • Original Kopparapu Runaway Greenhouse for Star HATS-45 distance : 1.532 AU
  • Original Kopparapu Moist Greenhouse for Star HATS-45 distance : 1.586 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-45 distance : 2.648 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HATS-45 distance : 2.753 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HATS-45)



    (Position in Stellar Map of star HATS-45 and its Exoplanet HATS-45 b)



    (Zoomed position in Stellar Map of star HATS-45 and its Exoplanet HATS-45 b (zoom level 3))

    (Synthetic Spectrum of star HATS-45*)
    *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