Watch%20This%20Space!%20Monsters%20at%20Work

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Watch This Space!Monsters at Work

• Liz Puchnarewicz
• Mullard Space Science Laboratory
• University College London

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Light comes in waves or packets
electromagnetic waves
photons
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It all goes at the same speed
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White light
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Hot light
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Hot light from stars
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Thick heat
dense gas slab
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Quasar soft X-ray spectra
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Spectral lines
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Atomic line transitions
Lya
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Emission line spectra
No. of photons
energy
wavelength
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Cosmological distances
quasar
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X-ray spectra from space
The XMM-Newton observatory
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Fluorescence
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Iron disks in X-rays
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Quasar accretion disks
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The disk in MCG-6-30-15
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A very hot corona
disk line
No. of photons
disk continuum
energy
EUV
UV
soft X-rays
hard X-rays
wavelength
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Electrons kick light into X-rays
Inverse Compton scattering
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A quasar
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Thin heat
thin gas slab
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Gamma-ray bursts
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Ultimate devastation
The SWIFT mission
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Scary monsters at work
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Watch This Space!Monsters at Work

• Liz Puchnarewicz
• Mullard Space Science Laboratory
• University College London