Imaginary Picture of OGLE-2013-BLG-1721L b

Display orbital revolution of OGLE-2013-BLG-1721L b around the hoststar OGL-2013-BLG-1721L
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Exoplanet Name : OGLE-2013-BLG-1721L b
Alternate Name : MOA-2013-BLG-618 b
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 0.6400 (Mjup) 203.4803 (Mearth)
Semi Major Axis / Orbital Distance Calculated 2.6000 (AU) 2.6000 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0000
Orbital Period(Observed/Estimated) 0.00 (Days Obs.) 2257.73 (Days Est.)
Surface Gravity (G Earth) 1.9651
Star Radiation at Atmospheric Boundary: 4.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 63.8 (K)
Blackbody T 0.3(K) 59.9 (K)
Blackbody T 0.7(K) 48.4 (K)
Tidally Locked Blackbody T 0.1(K) 75.8 (K)
Tidally Locked Blackbody T 0.3(K) 71.2 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Microlensing
Mass Detection : Microlensing
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : OGL-2013-BLG-1721L
Alternate Name : MOA-2013-BLG-618
Star Distance(LY) : 20547.8
Stellar Radius(Rsun) : 0.4 (Rsun Estimated)
Stellar Mass(Msun) : 0.5 (Msun Measured) 0.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 3300 (K)
Spectral type : M9
UV portion[%]: 0.2
Visible portion[%]: 11.2
IR portion[%]: 88.6
Metalicity : 0.0
Absolute Magnitude: 8.0
Apparent Magnitude: 22.0
Right Ascension(RA) 268.1265
Declination (DEC) -30.2927
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 http://www.openexoplanetcatalogue.com/planet/OGLE-2013-BLG-1721%20b/
OGLE-2013-BLG-1721L b
OGLE-2013-BLG-1721L b

  • OGLE-2013-BLG-1721L b is an exoplanet orbiting the star OGL-2013-BLG-1721L, located about 20547.8 light-years (6300.0 pc) away from Solar System. Its discovery was publicly announced on 2017.
  • The host star OGL-2013-BLG-1721L has apparent magnitude of 22.0, with absolute magnitude of 8.0.
  • It is 0.5 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3300 with its spectral types of M9
  • (Projected orbit of OGLE-2013-BLG-1721L b around its host star OGL-2013-BLG-1721L)


  • The Star OGL-2013-BLG-1721L 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.104 AU ( 15525799.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.143 AU ( 21460712.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.219 AU ( 32701376.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.322 AU ( 48121508.6 km)
  • Radiation at Planetary Boundary of OGLE-2013-BLG-1721L b : 4.16 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star OGL-2013-BLG-1721L)



  • Kopparapu Recent Venus for Star OGL-2013-BLG-1721L distance : 0.118 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star OGL-2013-BLG-1721L distance : 0.149 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star OGL-2013-BLG-1721L distance : 0.144 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star OGL-2013-BLG-1721L distance : 0.158 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star OGL-2013-BLG-1721L distance : 0.292 AU
  • Kopparapu Outer Boundary for Early Mars for Star OGL-2013-BLG-1721L distance : 0.308 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star OGL-2013-BLG-1721L)



  • Original Kopparapu Recent Venus for Star OGL-2013-BLG-1721L distance : 0.117 AU
  • Original Kopparapu Runaway Greenhouse for Star OGL-2013-BLG-1721L distance : 0.154 AU
  • Original Kopparapu Moist Greenhouse for Star OGL-2013-BLG-1721L distance : 0.155 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star OGL-2013-BLG-1721L distance : 0.297 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star OGL-2013-BLG-1721L distance : 0.309 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star OGL-2013-BLG-1721L)



    (Position in Stellar Map of star OGL-2013-BLG-1721L and its Exoplanet OGLE-2013-BLG-1721L b)



    (Zoomed position in Stellar Map of star OGL-2013-BLG-1721L and its Exoplanet OGLE-2013-BLG-1721L b (zoom level 3))

    (Synthetic Spectrum of star OGL-2013-BLG-1721L*)
    *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