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Title:
SMEX Proposal for Argos-X: A Panoptic X-ray Observatory
Authors:
Remillard, Ronald A.; Argos-X Team
Affiliation:
AA(MIT), AB()
Publication:
American Astronomical Society, HEAD meeting #10, #28.19
Publication Date:
03/2008
Origin:
AAS
Bibliographic Code:
2008HEAD...10.2819R

Abstract

The NASA SMEX proposal for "Argos-X" describes the first observatory that instantaneously measures sources over 50% of the sky, while providing arcmin positions. The mastery of wide-angle X-ray spectroscopy provides unprecedented exposures and the capability to routinely observe sources during times of critical interest. The primary objective is to advance the methods by which the radiation properties of accreting matter, under strong gravity, are used to investigate the physical properties of black holes and neutron stars, located in the Galaxy, the local universe, and beyond. Secondarily, Argos-X offers synergistic partnerships for LIGO, GLAST, wide-angle radio observatories, TeV telescopes, and other programs.

Argos-X would be launched in 2013 with 25 cameras that image the sky via coded masks. The detectors are Si pixel arrays from Naval Research Laboratory, first manufactured for DARPA. The cameras cover 1.5-28 keV with 0.6 keV energy resolution. The spacecraft is built by Draper Laboratory. The daily sensitivity is a factor of 10 better than the RXTE ASM, and the all-sky duty cycle is expanded by a factor of 25. All good events are telemetered with 0.122 millisecond time resolution, and the data archive (HEASARC) is fully public. Science analyses are supported, in part, by standard data products consisting of 4-channel light curves and 128-channel spectra at a variety of timescale quanta.

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