Articles with "xmm newton" as a keyword



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High-redshift active galactic nuclei and the next decade of Chandra and XMM-Newton

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Published in 2017 at "Astronomische Nachrichten"

DOI: 10.1002/asna.201713337

Abstract: We briefly review how X-ray observations of high-redshift active galactic nuclei (AGNs) at z = 4–7 have played a critical role in understanding their basic demographics as well as their physical processes; for example, absorption… read more here.

Keywords: high redshift; galactic nuclei; active galactic; xmm newton ... See more keywords

XMM‐Newton Observations of the Peculiar Be X‐Ray Binary A0538‐66

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Published in 2024 at "Astronomische Nachrichten"

DOI: 10.1002/asna.20240098

Abstract: A0538‐66 is a neutron star/Be x‐ray binary located in the Large Magellanic Cloud and, since its discovery in the 70s, it showed a peculiar behavior that makes it a unique object in the high‐mass x‐ray… read more here.

Keywords: ray binary; neutron star; xmm newton; newton observations ... See more keywords

XMM‐Newton Publications From 2000 to 2024

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Published in 2025 at "Astronomische Nachrichten"

DOI: 10.1002/asna.70014

Abstract: XMM‐Newton is an ESA space x‐ray observatory launched on 11 December 1999, and after 25 years, a study is presented demonstrating that the data of the mission are efficiently used by an engaged and productive community.… read more here.

Keywords: number; 2000 2024; time; newton ... See more keywords

4XMM J182531.5−144036: A new persistent Be/X-ray binary found within the XMM-Newton serendipitous survey

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Published in 2024 at "Publications of the Astronomical Society of Australia"

DOI: 10.1017/pasa.2024.6

Abstract: Abstract We aim to investigate the nature of time-variable X-ray sources detected in the XMM-Newton serendipitous survey. The X-ray light curves of objects in the XMM-Newton serendipitous survey were searched for variability, and coincident serendipitous… read more here.

Keywords: newton serendipitous; j182531 144036; xmm newton; serendipitous survey ... See more keywords

X-ray study on the core collapse supernova 2008ax using XMM-Newton and Swift/XRT

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Published in 2024 at "Physica Scripta"

DOI: 10.1088/1402-4896/ad558d

Abstract: We studied the x-ray evolution of the core collapse, Type IIb, supernova SN 2008ax. In addition to the four Swift/XRT observations previously published, we included, for the first time, two observations from XMM-NEWTON to our… read more here.

Keywords: core collapse; supernova 2008ax; swift xrt; xmm newton ... See more keywords
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Constraining X-ray reflection in the low-luminosity AGN NGC 3718 using NuSTAR and XMM–Newton

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Published in 2020 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/staa1762

Abstract: One distinctive feature of low-luminosity active galactic nuclei (LLAGN) is the relatively weak reflection features they may display in the X-ray spectrum, which can result from the disappearance of the torus with decreasing accretion rates.… read more here.

Keywords: xmm newton; reflection; ngc 3718; low luminosity ... See more keywords

Chandra and XMM–Newton observations of A2256: cold fronts, merger shocks, and constraint on the IC emission

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Published in 2020 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/staa2320

Abstract: We present the results of deep Chandra and XMM-Newton observations of a complex merging galaxy cluster Abell 2256 (A2256) that hosts a spectacular radio relic (RR). The temperature and metallicity maps show clear evidence of… read more here.

Keywords: newton observations; xmm newton; merger; cold fronts ... See more keywords

XMM–Newton observations of a gamma-ray pulsar J0633+0632: pulsations, cooling and large-scale emission

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Published in 2020 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/staa287

Abstract: We report results of XMM–Newton observations of a γ-ray pulsar J0633+0632 and its wind nebula. We reveal, for the first time, pulsations of the pulsar X-ray emission with a single sinusoidal pulse profile and a… read more here.

Keywords: emission; ray pulsar; pulsar; newton observations ... See more keywords
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Exploring the hot gaseous halo around an extremely massive and relativistic jet launching spiral galaxy with XMM−Newton

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Published in 2020 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/staa3404

Abstract: We present a deep XMM-Newton observation of the extremely massive, rapidly rotating, relativistic-jet-launching spiral galaxy 2MASX J23453268-0449256. Diffuse X-ray emission from the hot gaseous halo around the galaxy is robustly detected out to a radius… read more here.

Keywords: galaxy; radius; xmm newton; mass ... See more keywords
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Jupiter’s X-ray aurora during UV dawn storms and injections as observed by XMM–Newton, Hubble, and Hisaki

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Published in 2021 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stab2218

Abstract: We present results from a multiwavelength observation of Jupiter’s northern aurorae, carried out simultaneously by XMM–Newton, the Hubble Space Telescope (HST), and the Hisaki satellite in 2019 September. HST images captured dawn storms and injection… read more here.

Keywords: xmm newton; ray aurora; dawn storms; ray ... See more keywords

XMM–Newton observations of the extremely X-ray luminous quasar CFHQS J142952+544717=SRGE J142952.1 + 544716 at redshift z = 6.18

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Published in 2021 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stab773

Abstract: We present results from a 20 ks XMM-Newton DDT observation of the radio-load quasar CFHQS J142952+544717 at z=6.18, whose extreme X-ray luminosity was recently revealed by the SRG/eROSITA telescope in the course of its first… read more here.

Keywords: quasar; xmm newton; cfhqs j142952; j142952 ... See more keywords