EM Spectrum in Astronomy

EM Spectrum in Astronomy from Astrobites

I created a mindmap from the information above

  • Radio
    λ > 1 mm
    ν < 300 GHz

    • Objects
      • AGN JEts
      • Supernovae
      • Tidal Disruption Events
      • H II regions
      • Gamma ray bursts
      • Radio Galaxies
    • Processes
      • Synchrotron radiation
      • Free-free radiation
    • Observation
      • Ground based
    • Telescopes
      • Green Bank Telescope (GBT)
      • Five-hundred-meter Aperture Spherical Telescope (FAST)
      • Very Large Array (VLA)
      • Square Kilometer Array (SKA)
      • Low-Frequency Array (LoFAR),
      • Giant Meterwave Radio Telescope (GMRT)
  • Microwave/Sub-mm
    λ ~ 300 μm to 1 mm
    ν ~ 1 THz to 300 GHz

    • Objects
      • CMB
      • High energy phenomena
        • Relativistic jets
        • Cold dust
        • Cold gas
        • Galaxies at high z
    • Processes
      • Thermal (blackbody radiation)
    • Observation
      • Space
      • Ground
    • Telescopes
      • Space
        • Cosmic Background Explorer (COBE)
        • Wilkinson Microwave Anisotropy Probe (WMAP)
        • Planck
      • Ground
        • Submillimeter Array (SMA
        • Atacama Large Millimeter/submillimeter Array (ALMA).
  • Infrared
    λ ~ 300 μm to 2.5 μm
    ν ~ 1 THz to 120 THz

    • Far-Infrared
      λ ~ 15 μm to 300 μm
      ν ~ 20 THz 1 THz

      • Objects
        • Cool dust
        • Cool gas
        • star forming galaxies
        • young stellar objects
          • proto-stars
          • pre-main sequence stars
      • Processes
        • Thermal (Blackbody radiation)
      • Observation
        • Space
      • Telescopes
        • Infrared Astronomical Satellite (IRAS)
        • Infrared Space Observatory (ISO)
        • Herschel
    • Mid-Infrared
      λ ~ 2.5 μm to 15 μm
      ν ~ 120 THz 20 THz

      • Objects
        • Cosmic dust
          • surrounding young stars
          • protoplanetary disks
          • zodiacal dust
        • Solar system objects
          • planets
          • comets
          • asteroids
      • Processes
        • Thermal (Blackbody Radiation)
      • Observation
        • Space
        • Ground
      • Telescopes
        • Ground
          • Infrared Telescope Facility (IRTF)
          • United Kingdom Infrared Telescope (UKIRT)
        • Space
          • James Webb Space Telescope
          • Wide-field Infrared Survey Explorer (WISE)
          • Spitzer
    • Near-Infrared
      λ ~ 0.8 μm to 2.5 μm
      ν ~ 380 THz 120 THz

      • Objects
        • M-dwarfs
        • Cool stars
        • Low-mass stars
        • Galaxies
      • Processes
        • Thermal (Blackbody Radiation)
      • Observation
        • Space
        • Ground
      • Telescopes
        • Ground
          • 2MASS survey
          • Infrared Telescope Facility (IRTF)
          • United Kingdom Infrared Telescope (UKIRT)
          • Visible and Infrared Survey Telescope for Astronomy (VISTA)
        • Space
          • James Webb Space Telescope
  • Optical
    λ ~ 350 nm to 800 nm
    ν ~ 860 THz 380 THz

    • Objects
      • Ionized gases
      • Stars
      • Galaxies
    • Processes
      • Black Body Radiation (Thermal)
      • Non-thermal
    • Observation
      • Both Ground and Space
    • Telescopes
      • Ground
        • W.M. Keck telescopes
        • Very Large Telescopes
        • Southern African Large Telescope (SALT)
      • Space
        • Hubble Space Telescope
        • Gaia
        • Kepler
        • Transiting Exoplanet Survey Satellite (TESS).
  • Ultra-violet
    λ ~ 10 nm to 350 nm
    ν ~ 3e16 Hz to 860 Hz
    E ~ 120 eV to 3.5 eV

    • Objects
      • Thermal
        • O Stars
        • B Stars
        • white dwarfs
      • Non-thermal
        • AGN (continuous emission)
    • Processes
      • Blackbody radiation (thermal radiation)
      • Non-thermal sources
    • Observation
      • Ground (longest)
      • Space
    • Telescopes
      • AstroSAT (2015)
      • Galaxy Evolution Explorer (GALEX) (2003)
      • Hubble Space Telescope (1990)
      • Neil Gehrels Swift Observatory (2004)
  • X-Ray
    λ ~ 10 pm to 10 nm
    ν ~ 3e19 Hz to 3e16 Hz
    E ~ 120 keV to 0.12 keV

    • Objects
      • X-Ray binaries
      • AGN
      • Neutron stars
    • Processes
      • Thermal Emission
      • Free-Free emission
      • Accretion
    • Observation
      • From Space
    • Telescopes
      • Uhuru (1973)
      • Einstein (1978-81)
      • ROSAT (1999)
      • Chandra (1999)
      • XMM-Newton (1999)
      • NuSTAR (2012)
      • eROSITA (2019)
    • Gamma-Ray
      λ < 10 pm
      ν > 3e19 Hz
      E > 120 keV

      • Objects
        • AGN with Relativistic Jets
        • Gamma Ray Binaries
        • Gamma Ray Bursts
      • Processes
        • Gamma Decay
        • Pair-Annihilation
        • Shock Waves
        • Inverse-Compton Scattering
      • Observation
        • From Space
      • Telescopes
        • Compton Gamma-ray Observatory (1991)
        • International Gamma-Ray Astrophysics Laboratory (INTEGRAL) (2002)
        • Fermi (2008)

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