Imaginary Picture of Kepler-449 c

Display orbital revolution of Kepler-449 c around the hoststar Kepler-449
/
Exoplanet Name : Kepler-449 c
Alternate Name : "2MASS J19345587+4154030 c, K00270.02, KIC 06528464 c, KOI-270 c, KOI-270.02, WISE J193455.87+415402.5 c"
Status : Confirmed
Radius (Rjup / Re): 0.2470 (Rjup) 2.7686 (Rearth)
Mass (Mjup / Me): 0.0214 (Mjup) 6.8017 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.2020 (AU Est.)
Eccentricity : 0.0500
Orbital Period(Yrs) 0.0922
Orbital Period(Observed/Estimated) 33.67 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.8873
Star Radiation at Atmospheric Boundary: 59287.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 696.4 (K)
Blackbody T 0.3(K) 654.0 (K)
Blackbody T 0.7(K) 529.2 (K)
Tidally Locked Blackbody T 0.1(K) 828.2 (K)
Tidally Locked Blackbody T 0.3(K) 777.8 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-449
Alternate Name : "KOI-270, KIC 6528464, 2MASS J19345587+4154030, WISE J193455.87+415402.5"
Star Distance(LY) : 799.2
Stellar Radius(Rsun) : 1.4 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5587 (K)
Spectral type : G6
UV portion[%]: 7.1
Visible portion[%]: 43.6
IR portion[%]: 49.3
Metalicity : 0.0
Absolute Magnitude: 4.5
Apparent Magnitude: 11.4
Right Ascension(RA) 293.7328
Declination (DEC) 41.9008
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Adams,..; Ciardi,..; Dupree,..; Gautier,..,II; Kulesa,.; McCarthy,."
Discovery Paper - Title Adaptive Optics Images of Kepler Objects of Interest [rratum:013AJ....146...71A
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-449%20c/
Kepler-449 c
Kepler-449 c

  • Kepler-449 c is an exoplanet orbiting the star Kepler-449, located about 799.2 light-years (245.1 pc) away from Solar System. Its discovery was publicly announced on 2015.
  • The host star Kepler-449 has apparent magnitude of 11.4, with absolute magnitude of 4.5.
  • It is 1.0 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 5587 with its spectral types of G6
  • In this planetary system, the extrasolar planet Kepler-449 c orbits around the star Kepler-449 every 33.7 days with its orbital distance of 0.20 AU ( 30220928.3 km)
  • (Projected orbit of Kepler-449 c around its host star Kepler-449)


  • The Star Kepler-449 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.962 AU ( 143952879.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.330 AU ( 198980498.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.027 AU ( 303202245.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.982 AU ( 446175386.1 km)
  • Radiation at Planetary Boundary of Kepler-449 c : 59287.69 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-449)



  • Kopparapu Recent Venus for Star Kepler-449 distance : 1.009 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-449 distance : 1.277 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-449 distance : 1.234 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-449 distance : 1.353 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-449 distance : 2.268 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-449 distance : 2.392 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-449)



  • Original Kopparapu Recent Venus for Star Kepler-449 distance : 1.006 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-449 distance : 1.313 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-449 distance : 1.332 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-449 distance : 2.307 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-449 distance : 2.399 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-449)



    (Position in Stellar Map of star Kepler-449 and its Exoplanet Kepler-449 c)



    (Zoomed position in Stellar Map of star Kepler-449 and its Exoplanet Kepler-449 c (zoom level 3))

    (Synthetic Spectrum of star Kepler-449*)
    *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