Browsing by Author "Burrows, David"

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The 3D X-Ray Ejecta Structure of Tycho's Supernova Remnant

Millard, Matthew J.; Park, Sangwook; Sato, Toshiki; Hughes, John P.; Slane, Patrick; Patnaude, Daniel; Burrows, David; Badenes, Carles (2022)

We present our velocity measurements of 59 clumpy, metal-rich ejecta knots in the supernova remnant (SNR) of SN 1572 (Tycho). We use our 450 ks Chandra High Energy Transmission Grating Spectrometer observation to measure ...
An Ejecta Kinematics Study of Kepler's Supernova Remnant with High-resolution Chandra HETG Spectroscopy

Millard, Matthew J.; Bhalerao, Jayant; Park, Sangwook; Sato, Toshiki; Hughes, John P.; Slane, Patrick; Patnaude, Daniel; Burrows, David; Badenes, Carles (2020)

We report our measurements of the bulk radial velocity from a sample of small, metal-rich ejecta knots in Kepler's supernova remnant (SNR). We measure the Doppler shift of the He-like Si Ka line-center energy in the ...

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