Imaginary Picture of MOA-2011-BLG-028L b

Display orbital revolution of MOA-2011-BLG-028L b around the hoststar MOA-2011-BLGL-028L
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Exoplanet Name : MOA-2011-BLG-028L b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.2529 (Rjup) 2.8342 (Rearth)
Mass (Mjup / Me): 0.0940 (Mjup) 29.8862 (Mearth)
Semi Major Axis / Orbital Distance Calculated 7.1400 (AU) 7.1400 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0000
Orbital Period(Observed/Estimated) 0.00 (Days Obs.) 8046.50 (Days Est.)
Surface Gravity (G Earth) 3.7205
Star Radiation at Atmospheric Boundary: 1.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 46.6 (K)
Blackbody T 0.3(K) 43.8 (K)
Blackbody T 0.7(K) 35.4 (K)
Tidally Locked Blackbody T 0.1(K) 55.4 (K)
Tidally Locked Blackbody T 0.3(K) 52.0 (K)
Size Class: sub-Neptune-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 : MOA-2011-BLGL-028L
Alternate Name :
Star Distance(LY) : 24070.3
Stellar Radius(Rsun) : 0.6 (Rsun Estimated)
Stellar Mass(Msun) : 0.8 (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: 7.7
Apparent Magnitude: 22.0
Right Ascension(RA) 270.8583
Declination (DEC) -29.2133
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "J. Skowron, A. Udalski, R. Poleski, S. Koz_owski, M. K. Szyma_ski, _. Wyrzykowski, K. Ulaczyk, P. Pietrukowicz, G. Pietrzy_ski, I. Soszy_ski (The OGLE Collaboration), F. Abe, D.P. Bennett, A. Bhattacharya, I. A. Bond, M. Freeman, A. Fukui, Y. Hirao, Y. Itow, N. Koshimoto, C. H. Ling, K. Masuda, Y. Matsubara, Y. Muraki, M. Nagakane, K. Ohnishi, N. Rattenbury, To. Saito, D.J. Sullivan, T. Sumi, D. Suzuki, P. J. Tristram, A. Yonehara (The MOA Collaboration), M. Dominik, U. G. J_rgensen, V. Bozza, K. Harps_e, M. Hundertmark, J. Skottfelt"
Discovery Paper - Title MOA 2011-BLG-028Lb: a Neptune-mass Microlensing Planet in the Galactic Bulge
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/MOA-2011-BLG-028L%20b/
MOA-2011-BLG-028L b
MOA-2011-BLG-028L b
  • MOA-2011-BLG-028L b is an exoplanet orbiting the star MOA-2011-BLGL-028L, located about 24070.3 light-years (7380.0 pc) away from Solar System. Its discovery was publicly announced on 2015.
  • The host star MOA-2011-BLGL-028L has apparent magnitude of 22.0, with absolute magnitude of 7.7.
  • It is 0.8 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 3300 with its spectral types of M9
    • (Projected orbit of MOA-2011-BLG-028L b around its host star MOA-2011-BLGL-028L)


  • The Star MOA-2011-BLGL-028L 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.152 AU ( 22771645.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.210 AU ( 31476364.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.321 AU ( 47963014.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.472 AU ( 70579676.6 km)
  • Radiation at Planetary Boundary of MOA-2011-BLG-028L b : 1.19 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star MOA-2011-BLGL-028L)



  • Kopparapu Recent Venus for Star MOA-2011-BLGL-028L distance : 0.172 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star MOA-2011-BLGL-028L distance : 0.218 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star MOA-2011-BLGL-028L distance : 0.211 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star MOA-2011-BLGL-028L distance : 0.232 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star MOA-2011-BLGL-028L distance : 0.429 AU
  • Kopparapu Outer Boundary for Early Mars for Star MOA-2011-BLGL-028L distance : 0.452 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star MOA-2011-BLGL-028L)



  • Original Kopparapu Recent Venus for Star MOA-2011-BLGL-028L distance : 0.171 AU
  • Original Kopparapu Runaway Greenhouse for Star MOA-2011-BLGL-028L distance : 0.226 AU
  • Original Kopparapu Moist Greenhouse for Star MOA-2011-BLGL-028L distance : 0.227 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star MOA-2011-BLGL-028L distance : 0.435 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star MOA-2011-BLGL-028L distance : 0.453 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star MOA-2011-BLGL-028L)



    (Position in Stellar Map of star MOA-2011-BLGL-028L and its Exoplanet MOA-2011-BLG-028L b)



    (Zoomed position in Stellar Map of star MOA-2011-BLGL-028L and its Exoplanet MOA-2011-BLG-028L b (zoom level 3))

    (Synthetic Spectrum of star MOA-2011-BLGL-028L*)
    *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