Imaginary Picture of PSR M13E b

Display orbital revolution of PSR M13E b around the hoststar PSR M13E
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Exoplanet Name : PSR M13E b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 19.4200 (Mjup) 6174.3560 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0041 (AU Est.)
Eccentricity : 0.0001
Orbital Period(Yrs) 0.0003
Orbital Period(Observed/Estimated) 0.11 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 59.6278
Star Radiation at Atmospheric Boundary: 0.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 15.3 (K)
Blackbody T 0.3(K) 14.3 (K)
Blackbody T 0.7(K) 11.6 (K)
Tidally Locked Blackbody T 0.1(K) 18.2 (K)
Tidally Locked Blackbody T 0.3(K) 17.0 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Timing
Mass Detection : Timing
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : PSR M13E
Alternate Name :
Star Distance(LY) : 0.0
Stellar Radius(Rsun) : 0.0 (Rsun Estimated)
Stellar Mass(Msun) : 0.7 (Msun Measured) 0.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5500 (K)
Spectral type : PSR
UV portion[%]: 6.9
Visible portion[%]: 43.2
IR portion[%]: 49.9
Metalicity : 0.0
Absolute Magnitude: 25.0
Apparent Magnitude: 22.0
Right Ascension(RA) 250.4250
Declination (DEC) 36.4597
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
PSR M13E b
PSR M13E b

  • PSR M13E b is an exoplanet orbiting the star PSR M13E. Its discovery was publicly announced on 2020.
  • The host star PSR M13E has apparent magnitude of 22.0, with absolute magnitude of 25.0.
  • It is 0.7 times more massive compared with our Sun. The surface temperature is 5500 with its spectral types of PSR
  • In this planetary system, the extrasolar planet PSR M13E b orbits around the star PSR M13E every 0.1 days with its orbital distance of 0.00 AU ( 615887.1 km)
  • (Projected orbit of PSR M13E b around its host star PSR M13E)


  • The Star PSR M13E 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.000 AU ( 1409.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.000 AU ( 1947.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.000 AU ( 2968.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.000 AU ( 4367.6 km)
  • Radiation at Planetary Boundary of PSR M13E b : 0.01 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star PSR M13E)



  • Kopparapu Recent Venus for Star PSR M13E distance : 0.762 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star PSR M13E distance : 0.965 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star PSR M13E distance : 0.932 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star PSR M13E distance : 1.022 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star PSR M13E distance : 1.718 AU
  • Kopparapu Outer Boundary for Early Mars for Star PSR M13E distance : 1.812 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star PSR M13E)



  • Original Kopparapu Recent Venus for Star PSR M13E distance : 0.759 AU
  • Original Kopparapu Runaway Greenhouse for Star PSR M13E distance : 0.992 AU
  • Original Kopparapu Moist Greenhouse for Star PSR M13E distance : 1.004 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star PSR M13E distance : 1.747 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star PSR M13E distance : 1.817 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star PSR M13E)



    (Position in Stellar Map of star PSR M13E and its Exoplanet PSR M13E b)



    (Zoomed position in Stellar Map of star PSR M13E and its Exoplanet PSR M13E b (zoom level 3))

    (Synthetic Spectrum of star PSR M13E*)
    *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