Imaginary Picture of HATS-42 b
/
Exoplanet Name : HATS-42 b
Alternate Name :
Radius (Rjup / Re): 1.4000 (Rjup) 15.6926 (Rearth)
Mass (Mjup / Me): 1.8800 (Mjup) 597.7234 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0369 (AU) 0.0369 (AU Est.)
Eccentricity : 0.2290
Orbital Period(Yrs) 0.0063
Orbital Period(Observed/Estimated) 2.29 (Days Obs.) 2.29 (Days Est.)
Star Radiation at Atmospheric Boundary: 2661959.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1802.8 (K)
Blackbody T 0.3(K) 1693.0 (K)
Blackbody T 0.7(K) 1369.8 (K)
Tidally Locked Blackbody T 0.1(K) 2143.9 (K)
Tidally Locked Blackbody T 0.3(K) 2013.3 (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-42
Alternate Name :
Star Distance(LY) : 3072.4
Stellar Radius(Rsun) : 1.5 (Rsun Measured)
Stellar Mass(Msun) : 1.3 (Msun Measured) 1.3 (Msun Estimated)
Star Age : 3.3 (GY)
Temperature : 6060 (K)
Spectral type : G0
Metalicity : 0.2
Absolute Magnitude: 3.7
Apparent Magnitude: 13.6
Right Ascension(RA) 108.4500
Declination (DEC) -33.4372
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK
Open Exoplanet Database Link
HATS-42 b
HATS-42 b

  • HATS-42 b is an exoplanet orbiting the star HATS-42, located about 3072.4 light-years (942.0 pc) away from Solar System. Its discovery was publicly announced on 2018.
  • The host star HATS-42 has apparent magnitude of 13.6, with absolute magnitude of 3.7.
  • It is 1.3 times more massive and 1.5 times bigger compared with our Sun. The surface temperature is 6060 with its spectral types of G0
  • In this planetary system, the extrasolar planet HATS-42 b orbits around the star HATS-42 every 2.3 days with its orbital distance of 0.04 AU ( 5518665.5 km)
  • (Projected orbit of HATS-42 b around its host star HATS-42)


  • The Star HATS-42 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.177 AU ( 176142873.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.628 AU ( 243475482.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.480 AU ( 371002754.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.649 AU ( 545946805.4 km)
  • Radiation at Planetary Boundary of HATS-42 b : 2661959.40 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HATS-42)



  • Kopparapu Recent Venus for Star HATS-42 distance : 1.200 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HATS-42 distance : 1.519 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HATS-42 distance : 1.467 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HATS-42 distance : 1.608 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-42 distance : 2.664 AU
  • Kopparapu Outer Boundary for Early Mars for Star HATS-42 distance : 2.810 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HATS-42)



  • Original Kopparapu Recent Venus for Star HATS-42 distance : 1.208 AU
  • Original Kopparapu Runaway Greenhouse for Star HATS-42 distance : 1.560 AU
  • Original Kopparapu Moist Greenhouse for Star HATS-42 distance : 1.599 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-42 distance : 2.712 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HATS-42 distance : 2.820 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HATS-42)



    (Position in Stellar Map of star HATS-42 and its Exoplanet HATS-42 b)



    (Zoomed position in Stellar Map of star HATS-42 and its Exoplanet HATS-42 b (zoom level 3))