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Proceedings Article

Arcus: the x-ray grating spectrometer explorer

[+] Author Affiliations
R. K. Smith, R. Allured, N. S. Brickhouse, P. N. Cheimets, C. DeRoo, A. R. Foster, E. Hertz, P. Reid

Smithsonian Astrophysical Observatory (United States)

M. H. Abraham, L. Brenneman

The Aerospace Corp. (United States)

M. Bautz, C. E. Grant, R. K. Heilmann, D. Huenemoerder, E. D. Miller, M. Nowak, M. L. Schattenburg, N. Schulz

Massachusetts Institute of Technology (United States)

J. Bookbinder, R. Carvalho, S. Dawson, B. Hine, L. Plice, P. Temi, S. Walker

NASA Ames Research Ctr. (United States)

J. N. Bregman, J. Miller

Univ. of Michigan (United States)

D. N. Burrows, A. Falcone, R. L. McEntaffer

The Pennsylvania State Univ. (United States)

V. Burwitz, K. Nandra, J. Sanders

Max-Planck-Institut für extraterrestrische Physik (Germany)

E. Costantini, J. S. Kaastra

SRON Netherlands Institute for Space Research (Netherlands)

K. K. Madsen

California Institute of Technology (United States)

E. Morse

Orbital ATK (United States)

R. Mushotzky

Univ. of Maryland, College Park (United States)

F. Paerels

Columbia Univ. (United States)

R. Petre, A. Ptak, A. Smale

NASA Goddard Space Flight Ctr. (United States)

K. Poppenhaeger

Queen's Univ. Belfast (United Kingdom)

L. Valencic

Johns Hopkins Univ. (United States)

R. Willingale

Univ. of Leicester (United Kingdom)

J. Wilms

Friedrich-Alexander-Univ. Erlangen-Nürnberg (Germany)

S. J. Wolk

Harvard-Smithsonian Ctr. for Astrophysics (United States)

Proc. SPIE 9905, Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray, 99054M (July 18, 2016); doi:10.1117/12.2231778
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From Conference Volume 9905

  • Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray
  • Jan-Willem A. den Herder; Tadayuki Takahashi; Marshall Bautz
  • Edinburgh, United Kingdom | June 26, 2016

abstract

Arcus will be proposed to the NASA Explorer program as a free-flying satellite mission that will enable high-resolution soft X-ray spectroscopy (8-50) with unprecedented sensitivity – effective areas of >500 sq cm and spectral resolution >2500. The Arcus key science goals are (1) to determine how baryons cycle in and out of galaxies by measuring the effects of structure formation imprinted upon the hot gas that is predicted to lie in extended halos around galaxies, groups, and clusters, (2) to determine how black holes influence their surroundings by tracing the propagation of out-flowing mass, energy and momentum from the vicinity of the black hole out to large scales and (3) to understand how accretion forms and evolves stars and circumstellar disks by observing hot infalling and outflowing gas in these systems. Arcus relies upon grazing-incidence silicon pore X-ray optics with the same 12m focal length (achieved using an extendable optical bench) that will be used for the ESA Athena mission. The focused X-rays from these optics will then be diffracted by high-efficiency off-plane reflection gratings that have already been demonstrated on sub-orbital rocket flights, imaging the results with flight-proven CCD detectors and electronics. The power and telemetry requirements on the spacecraft are modest. The majority of mission operations will not be complex, as most observations will be long (~100 ksec), uninterrupted, and pre-planned, although there will be limited capabilities to observe targets of opportunity, such as tidal disruption events or supernovae with a 3-5 day turnaround. After the end of prime science, we plan to allow guest observations to maximize the science return of Arcus to the community. © (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

R. K. Smith ; M. H. Abraham ; R. Allured ; M. Bautz ; J. Bookbinder, et al.
" Arcus: the x-ray grating spectrometer explorer ", Proc. SPIE 9905, Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray, 99054M (July 18, 2016); doi:10.1117/12.2231778; http://dx.doi.org/10.1117/12.2231778


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