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An Ejecta Kinematics Study of Kepler's Supernova Remnant with High-Resolution HETG Spectroscopy
Matthew J. Millard, Jayant Bhalerao, Sangwook Park +6
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-l…
Astro2020 Science White Paper: Future X-ray Studies of Supernova Remnants
Brian J. Williams, Katie Auchettl, Carles Badenes +13
This is a white paper submitted in response to the call from the Astro2020 Decadal Survey Committee. We outline the scientific progress that will be made in the next few decades in…
Close companions around young stars
Marina Kounkel, Kevin Covey, Maxwell Moe +26
Multiplicity is a fundamental property that is set early during stellar lifetimes, and it is a stringent probe of the physics of star formation. The distribution of close companion…
Supernova Remnants in High Definition
Laura A. Lopez, Brian J. Williams, Samar Safi-Harb +14
Supernova remnants (SNRs) offer the means to study SN explosions, dynamics, and shocks at sub-parsec scales. X-ray observations probe the hot metals synthesized in the explosion an…
Catching Element Formation In The Act
Chris L. Fryer, Frank Timmes, Aimee L. Hungerford +216
Gamma-ray astronomy explores the most energetic photons in nature to address some of the most pressing puzzles in contemporary astrophysics. It encompasses a wide range of objects…
Deep Chandra survey of the Small Magellanic Cloud. III. Formation efficiency of High-Mass X-ray binaries
Vallia Antoniou, Andreas Zezas, Jeremy J. Drake +11
We have compiled the most complete census of High-Mass X-ray Binaries (HMXBs) in the Small Magellanic Cloud with the aim to investigate the formation efficiency of young accreting…