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29 August 2017 Arcus: exploring the formation and evolution of clusters, galaxies, and stars
R. K. Smith; M. Abraham; R. Allured; M. Bautz; J. Bookbinder; J. Bregman; L. Brenneman; N. S. Brickhouse; D. Burrows; V. Burwitz; P. N. Cheimets; E. Costantini; S. Dawson; C. DeRoo; A. Falcone; A. R. Foster; L. Gallo; C. E. Grant; H. M. Günther; R. K Heilmann; E. Hertz; B. Hine; D. Huenemoerder; J. S. Kaastra; I. Kreykenbohm; K. K. Madsen; R. McEntaffer; E. Miller; J. Miller; E. Morse; R. Mushotzky; K. Nandra; M. Nowak; F. Paerels; R. Petre; K. Poppenhaeger; A. Ptak; P. Reid; J. Sanders; M. Schattenburg; N. Schulz; A. Smale; P. Temi; L. Valencic; S. Walker; R. Willingale; J. Wilms; S. J. Wolk
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Proceedings Volume 10397, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XX; 103970Q (2017) https://doi.org/10.1117/12.2272818
Event: SPIE Optical Engineering + Applications, 2017, San Diego, California, United States
Abstract
Arcus, a Medium Explorer (MIDEX) mission, was selected by NASA for a Phase A study in August 2017. The observatory provides high-resolution soft X-ray spectroscopy in the 12-50Å bandpass with unprecedented sensitivity: effective areas of >450 cm2 and spectral resolution >2500. The Arcus key science goals are (1) to measure the effects of structure formation imprinted upon the hot baryons that are predicted to lie in extended halos around galaxies, groups, and clusters, (2) to trace the propagation of outflowing mass, energy, and momentum from the vicinity of the black hole to extragalactic scales as a measure of their feedback and (3) to explore how stars, circumstellar disks and exoplanet atmospheres form and evolve. Arcus relies upon the same 12m focal length grazing-incidence silicon pore X-ray optics (SPO) that ESA has developed for the Athena mission; the focal length is achieved on orbit via an extendable optical bench. The focused X-rays from these optics are diffracted by high-efficiency Critical-Angle Transmission (CAT) gratings, and the results are imaged with flight-proven CCD detectors and electronics. The power and telemetry requirements on the spacecraft are modest. Mission operations are straightforward, as most observations will be long (~100 ksec), uninterrupted, and pre-planned, although there will be capabilities to observe sources such as tidal disruption events or supernovae with a ~3 day turnaround. Following the 2nd year of operation, Arcus will transition to a proposal-driven guest observatory facility.
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R. K. Smith, R. K. Smith, M. Abraham, M. Abraham, R. Allured, R. Allured, M. Bautz, M. Bautz, J. Bookbinder, J. Bookbinder, J. Bregman, J. Bregman, L. Brenneman, L. Brenneman, N. S. Brickhouse, N. S. Brickhouse, D. Burrows, D. Burrows, V. Burwitz, V. Burwitz, P. N. Cheimets, P. N. Cheimets, E. Costantini, E. Costantini, S. Dawson, S. Dawson, C. DeRoo, C. DeRoo, A. Falcone, A. Falcone, A. R. Foster, A. R. Foster, L. Gallo, L. Gallo, C. E. Grant, C. E. Grant, H. M. Günther, H. M. Günther, R. K Heilmann, R. K Heilmann, E. Hertz, E. Hertz, B. Hine, B. Hine, D. Huenemoerder, D. Huenemoerder, J. S. Kaastra, J. S. Kaastra, I. Kreykenbohm, I. Kreykenbohm, K. K. Madsen, K. K. Madsen, R. McEntaffer, R. McEntaffer, E. Miller, E. Miller, J. Miller, J. Miller, E. Morse, E. Morse, R. Mushotzky, R. Mushotzky, K. Nandra, K. Nandra, M. Nowak, M. Nowak, F. Paerels, F. Paerels, R. Petre, R. Petre, K. Poppenhaeger, K. Poppenhaeger, A. Ptak, A. Ptak, P. Reid, P. Reid, J. Sanders, J. Sanders, M. Schattenburg, M. Schattenburg, N. Schulz, N. Schulz, A. Smale, A. Smale, P. Temi, P. Temi, L. Valencic, L. Valencic, S. Walker, S. Walker, R. Willingale, R. Willingale, J. Wilms, J. Wilms, S. J. Wolk, S. J. Wolk, } "Arcus: exploring the formation and evolution of clusters, galaxies, and stars", Proc. SPIE 10397, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XX, 103970Q (29 August 2017); doi: 10.1117/12.2272818; https://doi.org/10.1117/12.2272818
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