... Array¹

The VLA is part of the National Radio Astronomy Observatory which is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc.

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... Sanders²

http://www-xray.ast.cam.ac.uk/ jss/adbin/

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... Getman³

http://www.astro.psu.edu/users/chartas/xcontdir/xcont.html

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... 0.8-8.0 keV⁴

Note that a more stringent lower-limit on the energy band (0.8keV) is used in this analysis as compared with the adaptive-binning analysis presented above. This is to secure against calibration issues in these higher signal-to-noise spectra.

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... package⁵

Note that we use the latest version of projct that can correctly handle the multiple datasets.

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