STROBE-X: A probe-class mission for X-ray spectroscopy and timing on timescales from microseconds to years

Paul S. Ray, Zaven Arzoumanian, Søren Brandt, Eric Burns, Deepto Chakrabarty, Marco Feroci, Keith C. Gendreau, Olivier Gevin, Margarita Hernanz, Peter Jenke, Steven Kenyon, José Luis Gálvez Thomas J. Maccarone, Takashi Okajima, Ronald A. Remillard, Stéphane Schanne, Chris Tenzer, Andrea Vacchi, Colleen A. Wilson-Hodge, Berend Winter, Silvia ZaneDavid R. Ballantyne, Enrico Bozzo, Laura W. Brenneman, Edward Cackett, Alessandra De Rosa, Adam Goldstein, Dieter H. Hartmann, Michael McDonald, Abigail L. Stevens, John A. Tomsick, Anna L. Watts, Kent S. Wood, Abderahmen Zoghbi

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Abstract

We describe the Spectroscopic Time-Resolving Observatory for Broadband Energy X-rays (STROBE-X), a probe-class mission concept that will provide an unprecedented view of the X-ray sky, performing timing and spectroscopy over both a broad energy band (0.2-30 keV) and a wide range of timescales from microseconds to years. STROBE-X comprises two narrow-field instruments and a wide field monitor. The soft or low-energy band (0.2-12 keV) is covered by an array of lightweight optics (3-m focal length) that concentrate incident photons onto small solid-state detectors with CCD-level (85-175 eV) energy resolution, 100 ns time resolution, and low background rates. This technology has been fully developed for NICER and will be scaled up to take advantage of the longer focal length of STROBE-X. The higher-energy band (2-30 keV) is covered by large-area, collimated silicon drift detectors that were developed for the European LOFT mission concept. Each instrument will provide an order of magnitude improvement in effective area over its predecessor (NICER in the soft band and RXTE in the hard band). Finally, STROBE-X offers a sensitive wide-field monitor (WFM), both to act as a trigger for pointed observations of X-ray transients and also to provide high duty-cycle, high time-resolution, and high spectral-resolution monitoring of the variable X-ray sky. The WFM will boast approximately 20 times the sensitivity of the RXTE All-Sky Monitor, enabling multi-wavelength and multi-messenger investigations with a large instantaneous field of view. This mission concept will be presented to the 2020 Decadal Survey for consideration.
Original languageEnglish
Title of host publicationSpace Telescopes and Instrumentation 2018: Ultraviolet to Gamma Ray
EditorsJan-Willem A. den Herder, Shouleh Nikzad, Kazuhiro Nakazawa
Number of pages20
Volume10699
PublisherSPIE - International Society for Optical Engineering
Publication date2018
Article number1069919
ISBN (Print)9781510619517
DOIs
Publication statusPublished - 2018
EventSPIE Astronomical Telescopes and Instrumentation 2018: Ultraviolet to Gamma Ray - Austin, United States
Duration: 10 Jun 201815 Jun 2018

Conference

ConferenceSPIE Astronomical Telescopes and Instrumentation 2018: Ultraviolet to Gamma Ray
CountryUnited States
CityAustin
Period10/06/201815/06/2018
Sponsor4D Technology Corporation, Andor Technology, Ltd., Astronomical Consultants and Equipment, Inc., Giant Magellan Telescope, SPIE

Keywords

  • X-ray
  • STROBE-X
  • Silicon drift detectors
  • Neutron stars
  • Black holes
  • Collimators

Press / Media

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Paul Ray, Shuangnan Zhang, Thomas Maccarone, Andrea Santangelo, Fangjun LU & Søren Brandt

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Cite this

Ray, P. S., Arzoumanian, Z., Brandt, S., Burns, E., Chakrabarty, D., Feroci, M., Gendreau, K. C., Gevin, O., Hernanz, M., Jenke, P., Kenyon, S., Maccarone, J. L. G. T. J., Okajima, T., Remillard, R. A., Schanne, S., Tenzer, C., Vacchi, A., Wilson-Hodge, C. A., Winter, B., ... Zoghbi, A. (2018). STROBE-X: A probe-class mission for X-ray spectroscopy and timing on timescales from microseconds to years. In J-W. A. den Herder, S. Nikzad, & K. Nakazawa (Eds.), Space Telescopes and Instrumentation 2018: Ultraviolet to Gamma Ray (Vol. 10699). [1069919] SPIE - International Society for Optical Engineering. https://doi.org/10.1117/12.2312257