Simulation and Fitting of Multi-Dimensional X-ray Data (2009)
Dewey, Daniel, Noble, Michael S.
Astronomical data generally consists of 2 or more high-resolution axes, e.g., X,Y position on the sky or wavelength and position-along-one-axis (long-slit spectrometer). Analyzing these...
High-Resolution X-ray Spectroscopy of SNR 1987A: Chandra LETG and HETG Observations in 2007 (2008)
Zhekov, Svetozar A., McCray, Richard, Dewey, Daniel, Canizares, Claude R., Borkowski, Kazimierz J., Burrows, David N., ...
We present an extended analysis of the deep Chandra LETG and HETG observations of the supernova remnant 1987A (SNR 1987A) carried out in 2007. The global fits to the grating spectra show that the...
Plucinsky, Paul P., Haberl, Frank, Dewey, Daniel, Beardmore, Andrew P., DePasquale, Joseph M., Godet, Olivier, ...
The flight calibration of the spectral response of CCD instruments below 1.5 keV is difficult in general because of the lack of strong lines in the on-board calibration sources typically available....
Plucinsky, Paul P., Haberl, Frank, Dewey, Daniel, Beardmore, Andrew P., DePasquale, Joseph M., Godet, Olivier, ...
Chandra/HETGS Observations of the Capella System: the Primary as a Dominating X-ray Source (2006)
Ishibashi, Kazunori, Dewey, Daniel, Huenemoerder, David P., Testa, Paola
Using the Chandra/High Energy Transmission Grating Spectrometer (hereafter HETGS) we have detected Doppler motion of Capella's X-ray emission lines in the 6 -- 25AA wave-band. The observed motion...
Canizares, Claude R., Davis, John E., Dewey, Daniel, Flanagan, Kathryn A., Galton, Eugene B., Huenemoerder, David P., ...
Details of the design, fabrication, ground and flight calibration of the High Energy Transmission Grating, HETG, on the Chandra X-ray Observatory are presented after five years of flight experience....
Una Hwang, J. Martin Laming, Carles Badenes, Fred Berendse, John Blondin, Denis Cioffi, ...
We introduce a million-second observation of the supernova remnant Cassiopeia A with the Chandra X-ray Observatory. The bipolar structure of the Si-rich ejecta (NE jet and SW counterpart) is clearly...
A Million-Second Chandra View of Cassiopeia A (2004)
Hwang, Una, Laming, J. Martin, Badenes, Carles, Berendse, Fred, Blondin, John, Cioffi, Denis, ...
We introduce a million-second observation of the supernova remnant Cassiopeia A with the Chandra X-ray Observatory. The bipolar structure of the Si-rich ejecta (NE jet and SW counterpart) is clearly...
In-Flight Calibration of the Chandra High Energy Transmission Grating Spectrometer (2003)
Marshall, Herman L., Dewey, Daniel, Ishibashi, Kazunori
We present results from in-flight calibration of the High Energy Transmission Grating Spectrometer (HETGS) on the Chandra X-ray Observatory. Basic grating assembly parameters such as orientation and...
Supervised by Rainer Weiss.