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Observing Soft X-ray Line Emission from the Interstellar Medium with X-ray Calorimeter on a Sounding Rocket

Published online by Cambridge University Press:  12 April 2016

J. Zhang ,
B. Edwards ,
M. Juda ,
R. Kelley ,
G. Madejski ,
D. McCammon ,
H. Moseley ,
M. Skinner ,
R. Schoelkopf  and
A. Szymkowiak
J. Zhang
Affiliation:
Physics Department, University – Madison, Madison, WI, USA
B. Edwards
Affiliation:
Physics Department, University – Madison, Madison, WI, USA
M. Juda
Affiliation:
Physics Department, University – Madison, Madison, WI, USA
R. Kelley
Affiliation:
NASA/Doddard Space Flight Center, Greenbelt, MD, USA
G. Madejski
Affiliation:
NASA/Doddard Space Flight Center, Greenbelt, MD, USA
D. McCammon
Affiliation:
Physics Department, University – Madison, Madison, WI, USA
H. Moseley
Affiliation:
NASA/Doddard Space Flight Center, Greenbelt, MD, USA
M. Skinner
Affiliation:
Physics Department, University – Madison, Madison, WI, USA
R. Schoelkopf
Affiliation:
NASA/Doddard Space Flight Center, Greenbelt, MD, USA
A. Szymkowiak
Affiliation:
NASA/Doddard Space Flight Center, Greenbelt, MD, USA

Abstract

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We have been developing X-ray calorimeters that have high spectral resolution and high quantum efficiency. For an X-ray calorimeter working at 0.1 K, the energy resolution ideally can be as good as one eV for a practical detector. A detector with a resolution of 17 eV FWHM at 6 keV has been constructed. We expect to be able to improve this by a factor of two or more. With X-ray calorimeters flown on a sounding rocket, we should be able to observe soft X-ray line emission from the interstellar medium over the energy range 0.07 to 1 keV. Here we present a preliminary design for an X-ray calorimeter rocket experiment and the spectrum which might be observed from an equilibrium plasma. For later X-ray calorimeter sounding rocket experiments, we plan to add an aluminum foil mirror with collecting area of about 400 cm2 to observe line features from bright supernova remnants.

Type
9. Future X-ray Observatories, Detectors and Instrumentation
Information
International Astronomical Union Colloquium , Volume 115: High Resolution X-ray Spectroscopy of Cosmic Plasmas , 1990 , pp. 361 - 364
Copyright
Copyright © Cambridge University Press 1990

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