Cas A Multiwavelength Comparison
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draft paper (ps)

Full Images Section
(jump to comparisons section)


red=radio, blue=X-ray, green=optical (Fig. RGB)
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HST WFPC2 F675W filter SII+OII+OI+NII+Halpha+ArIII (Fig. 2)
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HST WFPC2 three color composite
(red=F850LP [SIII],green=F675W,blue=F450W [OIII]) (Fig. 2A)
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HST WFPC2 O dominated emission (Fig. 19)
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HST WFPC2 S dominated emission (Fig. 15)
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VLA 6 cm radio polarized intensity
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VLA 6 cm radio (Fig. 1)
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Chandra 0.3-10 keV X-ray (broadband) (Fig. 4)
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Chandra continuum dominated X-ray emission
(4-6 keV with Si line emission subtraction) (Fig. 6)
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Chandra FeL+Ne dominated X-ray emission
(relative to cont.)
(0.85-1.0 keV with high energy continuum subtraction)

This energy range also includes Ne IX emission and may contain some O VII and Ne X emission due to the energy resolution of the ACIS-S3 chip
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Chandra Si dominated X-ray emission (relative to continuum)
(1.72-1.96 keV with high energy [4-6 keV] continuum subtraction) (Fig. 14)
This energy range also includes Al and Mg emission
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Chandra Fe K dominated X-ray emission (relative to cont.)
(6.2-6.92 keV with high energy continuum subtraction)

This energy range only includes Fe emission
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Chandra S dominated X-ray emission (relative to cont.)
(2.29-2.58 keV with high energy continuum subtraction)
This energy range also includes Si emission
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Chandra O dominated X-ray emission (relative to cont.)
(0.64-0.71 keV with high energy continuum subtraction)
This energy range may include Ca and Fe emission due to
the energy resolution of the ACIS-S3 chip (Fig. 18)
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VLA flat-spectrum radio image
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Comparisons Section
(now on their own pages)

X-ray Si and S Compared to Optical S
X-ray O Compared to Optical O

X-ray FeL+Ne Compared to Optical QSF
Continuum X-rays and Radio Emission

Southern Bowshock Region
Northwest Reverse Shock Region

Proper Motions
X-ray Si and Flat-Spectrum Radio

Diffuse Halpha
Absorption (XMM)

Tomography