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Systematic effects ...
Systematic effects on a Compton polarimeter at the focus of an X-ray mirror
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- Aoyagi, M. (författare)
- Osaka University, Department of Earth and Space Science, Graduate School of Science, and Project Research Center for Fundamental Sciences, 1-1 Machikaneyama-cho, Toyonaka, Osaka 560-0043, Japan, 1-1 Machikaneyama-cho, Toyonaka
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- Bose, R. G. (författare)
- Physics Department, Washington University in St. Louis, 1 Brookings Drive, CB 1105, St. Louis, MO 63130, USA, 1 Brookings Drive, CB 1105; McDonnell Center for the Space Sciences, Washington University in St. Louis, 1 Brookings Drive, CB 1105, St. Louis, MO 63130, USA, 1 Brookings Drive, CB 1105
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- Chun, S. (författare)
- Physics Department, Washington University in St. Louis, 1 Brookings Drive, CB 1105, St. Louis, MO 63130, USA, 1 Brookings Drive, CB 1105; McDonnell Center for the Space Sciences, Washington University in St. Louis, 1 Brookings Drive, CB 1105, St. Louis, MO 63130, USA, 1 Brookings Drive, CB 1105
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- Gau, E. (författare)
- Physics Department, Washington University in St. Louis, 1 Brookings Drive, CB 1105, St. Louis, MO 63130, USA, 1 Brookings Drive, CB 1105; McDonnell Center for the Space Sciences, Washington University in St. Louis, 1 Brookings Drive, CB 1105, St. Louis, MO 63130, USA, 1 Brookings Drive, CB 1105
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- Hu, K. (författare)
- Physics Department, Washington University in St. Louis, 1 Brookings Drive, CB 1105, St. Louis, MO 63130, USA, 1 Brookings Drive, CB 1105; McDonnell Center for the Space Sciences, Washington University in St. Louis, 1 Brookings Drive, CB 1105, St. Louis, MO 63130, USA, 1 Brookings Drive, CB 1105
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- Ishiwata, K. (författare)
- Osaka University, Department of Earth and Space Science, Graduate School of Science, and Project Research Center for Fundamental Sciences, 1-1 Machikaneyama-cho, Toyonaka, Osaka 560-0043, Japan, 1-1 Machikaneyama-cho, Toyonaka
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- Iyer, Nirmal (författare)
- KTH,Partikel- och astropartikelfysik
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- Kislat, F. (författare)
- University of New Hampshire, Department of Physics and Astronomy, and Space Science Center, Morse Hall, 8 College Road, Durham, NH 03824, USA, 8 College Road
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- Kiss, Mózsi, 1982- (författare)
- KTH,Partikel- och astropartikelfysik
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- Klepper, Kassi (författare)
- KTH,Partikel- och astropartikelfysik
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- Krawczynski, H. (författare)
- Physics Department, Washington University in St. Louis, 1 Brookings Drive, CB 1105, St. Louis, MO 63130, USA, 1 Brookings Drive, CB 1105; McDonnell Center for the Space Sciences, Washington University in St. Louis, 1 Brookings Drive, CB 1105, St. Louis, MO 63130, USA, 1 Brookings Drive, CB 1105
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- Lisalda, L. (författare)
- Physics Department, Washington University in St. Louis, 1 Brookings Drive, CB 1105, St. Louis, MO 63130, USA, 1 Brookings Drive, CB 1105; McDonnell Center for the Space Sciences, Washington University in St. Louis, 1 Brookings Drive, CB 1105, St. Louis, MO 63130, USA, 1 Brookings Drive, CB 1105
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- Maeda, Y. (författare)
- Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 3-1-1 Yoshinodai, Sagamihara, Kanagawa 229-8510, Japan, 3-1-1 Yoshinodai, Sagamihara
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- af Malmborg, Filip (författare)
- KTH,Partikel- och astropartikelfysik
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- Matsumoto, H. (författare)
- Osaka University, Department of Earth and Space Science, Graduate School of Science, and Project Research Center for Fundamental Sciences, 1-1 Machikaneyama-cho, Toyonaka, Osaka 560-0043, Japan, 1-1 Machikaneyama-cho, Toyonaka; Forefront Research Center, Osaka University, Japan
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- Miyamoto, A. (författare)
- Department of Physics, Tokyo Metropolitan University, 1-1 Minami-Osawa, Hachioji, Tokyo 192-0397, Japan, 1-1 Minami-Osawa, Hachioji
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- Miyazawa, T. (författare)
- Okinawa Institute of Science and Technology Graduate University 1919-1 Tancha, Onna-son, Kunigami-gun Okinawa, Japan 904-0495, 1919-1 Tancha, Onna-son, Kunigami-gun Okinawa
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- Pearce, Mark, 1970- (författare)
- KTH,Partikel- och astropartikelfysik
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- Rauch, B. F. (författare)
- Physics Department, Washington University in St. Louis, 1 Brookings Drive, CB 1105, St. Louis, MO 63130, USA, 1 Brookings Drive, CB 1105; McDonnell Center for the Space Sciences, Washington University in St. Louis, 1 Brookings Drive, CB 1105, St. Louis, MO 63130, USA, 1 Brookings Drive, CB 1105
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- Rodriguez Cavero, N. (författare)
- Physics Department, Washington University in St. Louis, 1 Brookings Drive, CB 1105, St. Louis, MO 63130, USA, 1 Brookings Drive, CB 1105; McDonnell Center for the Space Sciences, Washington University in St. Louis, 1 Brookings Drive, CB 1105, St. Louis, MO 63130, USA, 1 Brookings Drive, CB 1105
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- Spooner, S. (författare)
- University of New Hampshire, Department of Physics and Astronomy, and Space Science Center, Morse Hall, 8 College Road, Durham, NH 03824, USA, 8 College Road
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- Takahashi, H. (författare)
- Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8526, Japan, 1-3-1 Kagamiyama, Higashi-Hiroshima
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- Uchida, Y. (författare)
- Tokyo University of Science 2641 Yamazaki, Noda, Chiba 278-8510, Japan, 2641 Yamazaki, Noda
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- West, A. T. (författare)
- Physics Department, Washington University in St. Louis, 1 Brookings Drive, CB 1105, St. Louis, MO 63130, USA, 1 Brookings Drive, CB 1105; McDonnell Center for the Space Sciences, Washington University in St. Louis, 1 Brookings Drive, CB 1105, St. Louis, MO 63130, USA, 1 Brookings Drive, CB 1105; Currently at University of Arizona, Department of Astronomy, Steward Observatory, 933 North Cherry Avenue, Tucson, AZ 85721-0065, USA, 933 North Cherry Avenue
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- Wimalasena, K. (författare)
- University of New Hampshire, Department of Physics and Astronomy, and Space Science Center, Morse Hall, 8 College Road, Durham, NH 03824, USA, 8 College Road
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- Yoshimoto, M. (författare)
- Osaka University, Department of Earth and Space Science, Graduate School of Science, and Project Research Center for Fundamental Sciences, 1-1 Machikaneyama-cho, Toyonaka, Osaka 560-0043, Japan, 1-1 Machikaneyama-cho, Toyonaka
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Osaka University, Department of Earth and Space Science, Graduate School of Science, and Project Research Center for Fundamental Sciences, 1-1 Machikaneyama-cho, Toyonaka, Osaka 560-0043, Japan, 1-1 Machikaneyama-cho, Toyonaka Physics Department, Washington University in St Louis, 1 Brookings Drive, CB 1105, St. Louis, MO 63130, USA, 1 Brookings Drive, CB 1105; McDonnell Center for the Space Sciences, Washington University in St. Louis, 1 Brookings Drive, CB 1105, St. Louis, MO 63130, USA, 1 Brookings Drive, CB 1105 (creator_code:org_t)
- Elsevier BV, 2024
- 2024
- Engelska.
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Ingår i: Astroparticle physics. - : Elsevier BV. - 0927-6505 .- 1873-2852. ; 158
- Relaterad länk:
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- XL-Calibur is a balloon-borne Compton polarimeter for X-rays in the ∼15–80 keV range. Using an X-ray mirror with a 12 m focal length for collecting photons onto a beryllium scattering rod surrounded by CZT detectors, a minimum-detectable polarization as low as ∼3% is expected during a 24-hour on-target observation of a 1 Crab source at 45° elevation. Systematic effects alter the reconstructed polarization as the mirror focal spot moves across the beryllium scatterer, due to pointing offsets, mechanical misalignment or deformation of the carbon-fiber truss supporting the mirror and the polarimeter. Unaddressed, this can give rise to a spurious polarization signal for an unpolarized flux, or a change in reconstructed polarization fraction and angle for a polarized flux. Using bench-marked Monte-Carlo simulations and an accurate mirror point-spread function characterized at synchrotron beam-lines, systematic effects are quantified, and mitigation strategies discussed. By recalculating the scattering site for a shifted beam, systematic errors can be reduced from several tens of percent to the few-percent level for any shift within the scattering element. The treatment of these systematic effects will be important for any polarimetric instrument where a focused X-ray beam is impinging on a scattering element surrounded by counting detectors.
Ämnesord
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Nyckelord
- Balloon-borne telescope
- Bench-marking
- Compton polarimetry
- Modulation response
- Monte-Carlo simulations
- Offset correction
- X-ray optics
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Till lärosätets databas
- Av författaren/redakt...
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Aoyagi, M.
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Bose, R. G.
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Chun, S.
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Gau, E.
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Hu, K.
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Ishiwata, K.
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visa fler...
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Iyer, Nirmal
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Kislat, F.
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Kiss, Mózsi, 198 ...
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Klepper, Kassi
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Krawczynski, H.
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Lisalda, L.
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Maeda, Y.
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af Malmborg, Fil ...
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Matsumoto, H.
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Miyamoto, A.
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Miyazawa, T.
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Pearce, Mark, 19 ...
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Rauch, B. F.
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Rodriguez Cavero ...
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Spooner, S.
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Takahashi, H.
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Uchida, Y.
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West, A. T.
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Wimalasena, K.
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Yoshimoto, M.
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