Imaginary Picture of HATS-15 b
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Exoplanet Name : HATS-15 b
Alternate Name :
Radius (Rjup / Re): 1.1050 (Rjup) 12.3859 (Rearth)
Mass (Mjup / Me): 2.1700 (Mjup) 689.9255 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0271 (AU) 0.0271 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0048
Orbital Period(Observed/Estimated) 1.75 (Days Obs.) 1.75 (Days Est.)
Star Radiation at Atmospheric Boundary: 1127697.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1454.4 (K)
Blackbody T 0.3(K) 1365.9 (K)
Blackbody T 0.7(K) 1105.1 (K)
Tidally Locked Blackbody T 0.1(K) 1729.6 (K)
Tidally Locked Blackbody T 0.3(K) 1624.3 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Radial Velocity
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HATS-15
Alternate Name : 2MASS 20442207-1926150
Star Distance(LY) : 2247.2
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 11.0 (GY)
Temperature : 5311 (K)
Spectral type : K0
Metalicity : 0.0
Absolute Magnitude: 5.6
Apparent Magnitude: 14.8
Right Ascension(RA) 311.0925
Declination (DEC) -19.4375
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "S. Ciceri, L. Mancini, T. Henning, G._. Bakos, K. Penev, R. Brahm, G. Zhou, J.D. Hartman, D. Bayliss, A. Jord_n, Z. Csubry, M. de Val-Borro, W. Bhatti, M. Rabus, N. Espinoza, V. Suc, B. Schmidt, R. Noyes, A.W. Howard, B.J. Fulton, H. Isaacson, G.W. Marcy, R.P. Butler, P. Arriagada, J. Crane, S. Shectman, I. Thompson, T.G. Tan, J. L_z_r, I. Papp, P. Sari"
Discovery Paper - Title HATS-15 b and HATS-16 b: Two massive planets transiting old G dwarf stars
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HATS-15%20b/
HATS-15 b
HATS-15 b

  • HATS-15 b is an exoplanet orbiting the star HATS-15, located about 2247.2 light-years (689.0 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star HATS-15 has apparent magnitude of 14.8, with absolute magnitude of 5.6.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5311 with its spectral types of K0
  • In this planetary system, the extrasolar planet HATS-15 b orbits around the star HATS-15 every 1.7 days with its orbital distance of 0.03 AU ( 4057094.3 km)
  • (Projected orbit of HATS-15 b around its host star HATS-15)


  • The Star HATS-15 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.563 AU ( 84283320.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.779 AU ( 116501574.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.187 AU ( 177522617.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.746 AU ( 261232309.1 km)
  • Radiation at Planetary Boundary of HATS-15 b : 1127697.16 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HATS-15)



  • Kopparapu Recent Venus for Star HATS-15 distance : 0.600 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HATS-15 distance : 0.760 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HATS-15 distance : 0.734 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HATS-15 distance : 0.805 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-15 distance : 1.361 AU
  • Kopparapu Outer Boundary for Early Mars for Star HATS-15 distance : 1.435 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HATS-15)



  • Original Kopparapu Recent Venus for Star HATS-15 distance : 0.596 AU
  • Original Kopparapu Runaway Greenhouse for Star HATS-15 distance : 0.782 AU
  • Original Kopparapu Moist Greenhouse for Star HATS-15 distance : 0.788 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-15 distance : 1.384 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HATS-15 distance : 1.439 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HATS-15)



    (Position in Stellar Map of star HATS-15 and its Exoplanet HATS-15 b)



    (Zoomed position in Stellar Map of star HATS-15 and its Exoplanet HATS-15 b (zoom level 3))