Showing 181 - 200 results of 417 for search '"Galactic Center"', query time: 0.69s Refine Results
  1. 181

    Applications of X-ray Instrumentation for Dark Matter Searches with Cosmic-ray Antiparticles by Rogers, Field Rose

    Published 2023
    “…Using X-ray observations of the giant molecular cloud Sagittarius B2, new upper limits are set on low-energy cosmic ray populations near the Galactic center. The limits are comparable to predictions from hydrogen ionization measurements, supporting the observation of elevated Galactic Center cosmic ray populations.…”
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    Thesis
  2. 182

    Seeing Black Holes: From the Computer to the Telescope by Jean-Pierre Luminet

    Published 2018-08-01
    “…Astronomical observations are about to deliver the very first telescopic image of the massive black hole lurking at the Galactic Center. The mass of data collected in one night by the Event Horizon Telescope network, exceeding everything that has ever been done in any scientific field, should provide a recomposed image in 2018. …”
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    Article
  3. 183

    Have Atmospheric Cerenkov Telescopes Observed Dark Matter? by Hooper, D, Perez, I, Silk, J, Ferrer, F, Sarkar, S

    Published 2004
    “…Two ground-based experiments have recently independently detected TeV $\gamma$-rays from the direction of the Galactic center. The observations made by the VERITAS and CANGAROO collaborations are unexpected, although not impossible to interpret in terms of astrophysical sources. …”
    Journal article
  4. 184

    Hunting for Cold Exoplanets via Microlensing by Beaulieu, Jean-Philippe

    Published 2023-08-01
    “…Microlensing can detect planets at distances ranging from a few hundred parsecs all the way to the Galactic center. The maximum sensitivity is reached for systems that are located half way to the galactic center, with planets orbiting the lens star at a separation of few AUs. …”
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    Article
  5. 185

    Indirect detection of Dark Matter with the ANTARES Neutrino Telescope by Ardid Miguel

    Published 2016-01-01
    “…The analysis for different sources of DM (Sun, Galactic Center, Earth, …) or DM models (SUSY, Secluded) will be described and the results presented. …”
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    Article
  6. 186

    Gamma-ray signatures of Dark Matter by Cirelli Marco

    Published 2017-01-01
    “…I review the ways in which Dark Matter can produce gamma-rays (and lower energy photons) and I apply the considerations to three specific examples: the tests of multi-TeV pure-WIMP candidates based on high energy gamma-rays from the Galactic Center or dwarfs, the importance of bremsstrahlung emission for light DM, the updated constraints on DM from all-sky radio surveys of the Milky Way.…”
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    Article
  7. 187

    Highlights on gamma rays, neutrinos and antiprotons from TeV Dark Matter by Gammaldi Viviana

    Published 2016-01-01
    “…It has been shown that the gamma-ray flux observed by HESS from the J1745-290 Galactic Center source is well fitted as the secondary gamma-rays photons generated from Dark Matter annihilating into Standard Model particles in combination with a simple power law background. …”
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    Article
  8. 188

    Tracking millisecond pulsars responsible for the Fermi GeV excess by Berteaud Joanna, Calore Francesca, Clavel Maïca

    Published 2023-01-01
    “…More than 10 years ago, an excess of γ-ray photons coming from the Galactic center was discovered in the Fermi-LAT data. …”
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    Article
  9. 189

    Kinematics of the Local Spiral Structure Revealed by Young Stars in Gaia DR3 by Dejian Liu, Ye Xu, Chaojie Hao, Shuaibo Bian, Zehao Lin, Yingjie Li, Jingjing Li

    Published 2023-01-01
    “…Meanwhile, the sources in the Carina Arm may move in the opposite direction from the Sun to the Galactic center and rotate marginally faster than Galactic rotation. …”
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    Article
  10. 190

    The characterization of the gamma-ray signal from the central Milky Way: A case for annihilating dark matter by Daylan, Tansu, Finkbeiner, Douglas P., Hooper, Dan, Linden, Tim, Portillo, Stephen K.N., Rodd, Nicholas Llewellyn, Slatyer, Tracy Robyn

    Published 2018
    “…Past studies have identified a spatially extended excess of ~1-3 GeV gamma rays from the region surrounding the Galactic Center, consistent with the emission expected from annihilating dark matter. …”
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    Article
  11. 191

    (In)direct detection of boosted dark matter by Agashe, Kaustubh, Cui, Yanou, Necib, Lina, Thaler, Jesse

    Published 2021
    “…We initiate the study of novel thermal dark matter (DM) scenarios where present-day annihilation of DM in the galactic center produces boosted stable particles in the dark sector. …”
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    Article
  12. 192

    (In)direct detection of boosted dark matter by Agashe, Kaustubh, Cui, Yanou, Necib, Lina, Thaler, Jesse

    Published 2022
    “…We initiate the study of novel thermal dark matter (DM) scenarios where present-day annihilation of DM in the galactic center produces boosted stable particles in the dark sector. …”
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    Article
  13. 193

    Dark nuclei. I. Cosmology and indirect detection by Detmold, William, Pochinsky, Andrew, McCullough, Matthew P.

    Published 2015
    “…Notably, dark nucleosynthesis realizes a novel mechanism for indirect detection signals of asymmetric dark matter from regions such as the Galactic center, without having to rely on a symmetric dark matter component.…”
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    Article
  14. 194

    Gravitational lensing by a black-bounce-Reissner–Nordström spacetime by Jing Zhang, Yi Xie

    Published 2022-05-01
    “…Assuming the supermassive black holes in the Galactic Center and at the center of M87, Sgr A* and M87* respectively, as the lenses, we evaluate these observables and assess their detectability. …”
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    Article
  15. 195

    The orbit of the old, metal-rich, open cluster NGC 6791 by Minchev I., Jílková L., Carraro G., Jungwiert B.

    Published 2012-02-01
    “…To estimate the viability of one of the cluster’s proposed scenarios of origin we also follow a set of forward integrations originating closer to the Galactic center (GC) where the metal enrichment could be faster. …”
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    Article
  16. 196

    Weak and strong deflection gravitational lensing by a renormalization group improved Schwarzschild black hole by Xu Lu, Yi Xie

    Published 2019-12-01
    “…By taking the supermassive black holes Sgr A* and M87* respectively in the Galactic Center and at the center of M87 as lenses, we estimate these observables and analyse possibility of detecting this quantum improvement. …”
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    Article
  17. 197

    Z-Distribution and Period Gradient of Classical Cepheids in the Galactic Plane by Chulhee Kim

    Published 1986-12-01
    “…The well known phenomenon that the periods of classical cepheids decrease away from the Galactic center was crudely interpreted as due to an age gradient rather than an abundance gradient under the assumption that relations between the period and galactocentric distance, and between the abundance and period are linear.…”
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    Article
  18. 198

    On the Population of Wind-Accreting Neutron Stars in the Galaxy by Pfahl, E, Rappaport, S, Podsiadlowski, P

    Published 2002
    “…This work was motivated by recent Chandra observations of the Galactic center by Wang et al. (2002). Our calculations indicate that many of the discrete X-ray sources detected in this survey may be wind-accreting neutron stars, and that many more may be discovered with deeper X-ray observations. …”
    Journal article
  19. 199

    Modeling the Radial Distribution of Pulsars in the Galaxy by J. T. Xie, J. B. Wang, N. Wang, R. Manchester, G. Hobbs

    Published 2024-01-01
    “…The radial distribution function is used to estimate the proportion of pulsars in each spiral arm and the Galactic center.…”
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    Article
  20. 200

    The Hot Circumgalactic Medium of the Milky Way: New Insights from XMM-Newton Observations by Joy Bhattacharyya, Sanskriti Das, Anjali Gupta, Smita Mathur, Yair Krongold

    Published 2023-01-01
    “…The presence of the super-virial phase far from the regions around the Galactic center implicates physical processes unrelated to the activity at the Galactic center. …”
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    Article