Search Results - "Gu, Liyi"

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  1. 1

    Uncertainties in Atomic Data for Modeling Astrophysical Charge Exchange Plasmas by Gu, Liyi, Shah, Chintan, Zhang, Ruitian

    Published in Sensors (Basel, Switzerland) (19-01-2022)
    “…Relevant uncertainties of theoretical atomic data are vital to determining the accuracy of plasma diagnostics in a number of areas, including, in particular,…”
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  2. 2

    LABORATORY MEASUREMENTS COMPELLINGLY SUPPORT A CHARGE-EXCHANGE MECHANISM FOR THE "DARK MATTER" ∼3.5 keV X-Ray LINE by Shah, Chintan, Dobrodey, Stepan, Bernitt, Sven, Steinbrügge, René, López-Urrutia, José R. Crespo, Gu, Liyi, Kaastra, Jelle

    Published in The Astrophysical journal (10-12-2016)
    “…ABSTRACT The reported observations of an unidentified X-ray line feature at ∼3.5 keV have driven a lively discussion about its possible dark matter origin…”
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  3. 3

    Evidence for Resonance Scattering in the X-Ray Grating Spectrum of the Supernova Remnant N49 by Amano, Yuki, Uchida, Hiroyuki, Tanaka, Takaaki, Gu, Liyi, Tsuru, Takeshi Go

    Published in The Astrophysical journal (01-07-2020)
    “…Resonance scattering (RS) is an important process in astronomical objects, because it affects measurements of elemental abundances and distorts surface…”
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  4. 4

    First High-resolution Spectroscopy of X-Ray Absorption Lines in the Obscured State of NGC 5548 by Mehdipour, Missagh, Kriss, Gerard A., Kaastra, Jelle S., Costantini, Elisa, Gu, Liyi, Landt, Hermine, Mao, Junjie, Rogantini, Daniele

    Published in The Astrophysical journal (01-02-2024)
    “…Abstract Multiwavelength spectroscopy of NGC 5548 revealed remarkable changes due to the presence of an obscuring wind from the accretion disk. This broadened…”
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  5. 5

    Supply Chain Inventory Management from the Perspective of “Cloud Supply Chain”—A Data Driven Approach by Tan, Yue, Gu, Liyi, Xu, Senyu, Li, Mingchao

    Published in Mathematics (Basel) (01-02-2024)
    “…This study systematically investigates the pivotal role of inventory management within the framework of “cloud supply chain” operations, emphasizing the…”
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  6. 6

    Diffuse radio source candidate in CIZA J1358.9−4750 by Kurahara, Kohei, Akahori, Takuya, Kale, Ruta, Akamatsu, Hiroki, Fujita, Yutaka, Gu, Liyi, Intema, Huib, Nakazawa, Kazuhiro, Okabe, Nobuhiro, Omiya, Yuki, Parekh, Viral, Shimwell, Timothy, Takizawa, Motokazu, Van Weeren, Reinout J

    “…Abstract We report on results of our upgraded Giant Metrewave Radio Telescope (uGMRT) observations for an early-stage merging galaxy cluster, CIZA J1358.9−4750…”
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  7. 7

    XMM-Newton view of the shock heating in an early merging cluster, CIZA J1358.9−4750 by Omiya, Yuki, Nakazawa, Kazuhiro, Matsushita, Kyoko, Kobayashi, Shogo B, Okabe, Nobuhiro, Sato, Kosuke, Tamura, Takayuki, Fujita, Yutaka, Gu, Liyi, Kitayama, Tetsu, Akahori, Takuya, Kurahara, Kohei, Yamaguchi, Tomohiro

    “…Abstract CIZA J1358.9−4750 is a nearby galaxy cluster in the early phase of a major merger. The two-dimensional temperature map using XMM-Newton EPIC-PN…”
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  8. 8

    Discovery of a strong 6.6 keV emission feature from EXO 1745−248 after the superburst in 2011 October by Iwakiri, Wataru B, Serino, Motoko, Mihara, Tatehiro, Gu, Liyi, Yamaguchi, Hiroya, Shidatsu, Megumi, Makishima, Kazuo

    “…Abstract We discover an unidentified strong emission feature in the X-ray spectrum of EXO 1745−248 obtained by RXTE at 40 hr after the peak of a superburst…”
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  9. 9

    How do atomic code uncertainties affect abundance measurements in the intracluster medium? by Mernier, François, Werner, Norbert, Lakhchaura, Kiran, Plaa, Jelle, Gu, Liyi, Kaastra, Jelle S., Mao, Junjie, Simionescu, Aurora, Urdampilleta, Igone

    Published in Astronomische Nachrichten (01-02-2020)
    “…Accurate chemical abundance measurements of X‐ray‐emitting atmospheres pervading massive galaxies, galaxy groups, and clusters provide essential information on…”
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  10. 10

    ATCA 16 cm observation of CIZA J1358.9−4750: Implication of merger stage and constraint on non-thermal properties by Akahori, Takuya, Kato, Yuichi, Nakazawa, Kazuhiro, Ozawa, Takeaki, Gu, Liyi, Takizawa, Motokazu, Fujita, Yutaka, Nakanishi, Hiroyuki, Okabe, Nobuhiro, Makishima, Kazuo

    “…Abstract We report the Australia Telescope Compact Array 16 cm observation of CIZA J1358.9−4750. Recent X-ray studies imply that this galaxy cluster is…”
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  11. 11

    Discovery of a nearby early-phase major cluster merger CIZA J1358.9−4750 by Kato, Yuichi, Nakazawa, Kazuhiro, Gu, Liyi, Akahori, Takuya, Takizawa, Motokazu, Fujita, Yutaka, Makishima, Kazuo

    “…CIZA J1358.9−4750 is a nearby (z = 0.074) pair of clusters of galaxies located close to the Galactic plane. It consists of two X-ray extended humps at the…”
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  12. 12

    TWO-PHASE ICM IN THE CENTRAL REGION OF THE RICH CLUSTER OF GALAXIES A1795: A JOINT CHANDRA, XMM-NEWTON, AND SUZAKU VIEW by LIYI GU, HAIGUANG XU, JUNHUA GU, KAWAHARADA, Madoka, NAKAZAWA, Kazuhiro, ZHENZHEN QIN, JINGYING WANG, YU WANG, ZHONGLI ZHANG, MAKISHIMA, Kazuo

    Published in The Astrophysical journal (20-04-2012)
    “…Based on a detailed analysis of the high-quality Chandra, XMM-Newton, and Suzaku data of the X-ray bright cluster of galaxies A1795, we report clear evidence…”
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  13. 13

    Suzaku observation of a high-entropy cluster Abell 548W by Nakazawa, Kazuhiro, Kato, Yuichi, Gu, Liyi, Kawaharada, Madoka, Takizawa, Motokazu, Fujita, Yutaka, Makishima, Kazuo

    “…Abell 548W, one of the galaxy clusters located in the Abell 548 region, has about an order of magnitude lower X-ray luminosity compared to ordinal clusters in…”
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  14. 14

    Observations of a pre-merger shock in colliding clusters of galaxies by Gu, Liyi, Akamatsu, Hiroki, Shimwell, Timothy W., Intema, Huib T., van Weeren, Reinout J., de Gasperin, Francesco, Mernier, François, Mao, Junjie, Urdampilleta, Igone, de Plaa, Jelle, Parekh, Viral, Röttgering, Huub J. A., Kaastra, Jelle S.

    Published in Nature astronomy (01-09-2019)
    “…Clusters of galaxies are the largest known gravitationally bound structures in the Universe. When clusters collide, they create merger shocks on cosmological…”
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    A joint Chandra and XMM–Newton view of Abell 3158: a massive off-centre cool gas clump as a robust diagnostic of a merger stage by Wang, Yu, Xu, Haiguang, Gu, Liyi, Gu, Junhua, Qin, Zhenzhen, Wang, Jingying, Zhang, Zhongli, Wu, Xiang-Ping

    “…In previous works, the nearby galaxy cluster Abell 3158 was reported to possess a relatively regular, relaxed morphology in the X-ray band. By analysing the…”
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  17. 17

    Is the low-energy tail of shock-accelerated protons responsible for over-ionized plasma in supernova remnants? by Sawada, Makoto, Gu, Liyi, Yamazaki, Ryo

    “…Abstract Over-ionized, recombining plasma is an emerging class of X-ray bright supernova remnants (SNRs). This unique thermal state, where the ionization…”
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  18. 18

    A High-Abundance Arc in the Compact Group of Galaxies HCG 62: An AGN- or Merger-Induced Metal Outflow? by Gu, Junhua, Xu, Haiguang, Gu, Liyi, An, Tao, Wang, Yu, Zhang, Zhongli, Wu, Xiang-Ping

    Published in The Astrophysical journal (10-04-2007)
    “…We present a Chandra study of the metal distribution in the X-ray bright compact group of galaxies HCG 62. We find that the diffuse X-ray emission is peaked at…”
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  19. 19
  20. 20

    The facts on the ground: Evaluating humanitarian fleet management policies using simulation by Gu, Liyi, Ryzhov, Ilya O., Eftekhar, Mahyar

    Published in European journal of operational research (01-09-2021)
    “…•Simulation-based counterfactual analysis of humanitarian fleet management policies.•Maximally realistic policy evaluation, calibrated using real…”
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