Chandra Newsletter

Contents

Issue 29 - Spring 2021

All CXC News Issues

Chandra Peers into Neutron Stars

Craig Heinke (University of Alberta)

In this science story, Craig Heinke takes a deep dive into the nuclear pasta of neutron star interiors and the insight Chandra observations have provided into these celestial marvels of nuclear and condensed matter physics.

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Director's Log

Pat Slane

CXC Director Pat Slane summarizes some recent science and mission highlights and staff changes.

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Chandra X-ray Observatory Publicity

Peter Edmonds, Megan Watzke

Interested in turning your exciting Chandra results into a press release? This article covers the selection criteria, motivation and dissemination of newsworthy science results by the Chandra press group.

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Calibration Update

Larry David

This update from the Calibration team includes discussion on the evolution of the ACIS external calibration source and calibration alternatives, calibration update stemming from the HRC anomaly, and the cross-calibration efforts of some X-ray telescopes currently in operation.

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HRC Update

Grant Tremblay, Ralph Kraft, Paul Nulsen, Dan Patnaude, Tom Gauron, Almus Kenter, Ken Gage, Brad Bissell, Gerald Austin, Tom Aldcroft, & Sabina Hurley (on behalf of the Chandra HRC and Flight Operations Teams)

This update from the High Resolution Camera (HRC) team provides details about the recent anomaly and recovery that resulted in a switch to the redundant electronics that operate the HRC.

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ACIS Update

John ZuHone, for the ACIS Team

This update from the Advanced CCD Imaging Spectrometer (ACIS) team covers a new approach for testing science instrument modes, thermal management, and the future unprecedented perigee minimum of the spacecraft.

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HETG Update

David Huenemoerder, for the HETGS team

This update from the High Energy Transmission Grating (HETG) team includes HETGS usage and performance, plus recent science highlights from stellar winds, ISM composition, XRBs, and "knot" so easy analysis of the extended emission from Kepler supernova remnant.

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Early Career Einsteins, Hubbles, and Sagans: The NASA Hubble Fellowship Program

Paul J. Green

Learn about the new cohort of NASA Hubble Fellows and selected science highlights on light Dark Matter and gravitational wave source constraints on the Hubble Constant.

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Next Issue

Fall 2021

Reports from the Project Scientist and Program Manager, Updates from LETG, CIAO, Chandra Source Catalog, Peer Review, and more.

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The Chandra Newsletter is edited by Rodolfo Montez Jr., with editorial assistance and layout by Karla Guardado. We welcome contributions from readers. Comments on the newsletter should be sent to: chandranews@cfa.harvard.edu.