@ESA_XMM

ESA's X-ray satellite, in orbit since 1999 🛰✨💖 Opinions are our own. For formal requests please contact the helpdesk at https://xitter.cf/t.co/GUf7N3URr1

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cosmos.esa.int/web/xmm-newton/
Joined August 2015
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Remember that the deadline for Abstract Submission is a few days away, until Friday, 27th February 2026 ! Registration is also now open. cosmos.esa.int/web/xmm-newto…

2026 The X-ray Universe - XMM-Newton - Cosmos

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The resgistration for The X-ray Universe, 8-11 June 2026, Elche (Spain) is now open. Important dates, Opening of Registration 23 February 2026 Early Registration Deadline 08 May 2026 Late Registration 05 June 2026 cosmos.esa.int/web/xmm-newto…

2026 The X-ray Universe - XMM-Newton - Cosmos

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The deadline for Abstract Submission of contributions to The X-ray Universe has been extended to Friday, 27th February 2026 ! cosmos.esa.int/web/xmm-newto…
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X-ray spectra provide sharpest image to date of a rapidly spinning black hole. High-resolucion spectra from XRISM combined with XMM-Newton and NuSTAR have isolated broad iron emission and reflection features near the iconic supermassive BH in MCG-6-30-15. phys.org/news/2026-01-ray-sp…

X-ray spectra provide sharpest image to date of a rapidly spinning black hole

The X-Ray Imaging and Spectroscopy Mission (XRISM), a joint mission between the Japanese Aerospace Exploration Agency (JAXA) and NASA, launched on Sept. 7th, 2023. Its advanced imaging filters and...

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The 2026 X-ray Universe conference poster is available for download at, cosmos.esa.int/web/xmm-newto… You can use it as you wish to give publicity to the conference at your institution. Both the LOC and SOC, with the conference topics are also now avilable.
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A reminder that the deadline for Abstract Submission is Friday, 20th February 2026 and that the opening of the Registration period will be the 23rd February 2026. The Early Registration deadline will be the 8th May 2026. The Late Registration will end on the 5th June 2026.
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The list of XMM-Newton AO-25 accepted observations has been published. You can find the results at, cosmos.esa.int/web/xmm-newto…

OTAC Results - XMM-Newton - Cosmos

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ESA - XMM-Newton sees comet 3I/ATLAS in X-ray light.. The European Space Agency’s X-ray space observatory XMM-Newton observed interstellar comet 3I/ATLAS on 3 December for around 20 hours. esa.int/ESA_Multimedia/Image…

XMM-Newton sees comet 3I/ATLAS in X-ray light

XMM-Newton sees comet 3I/ATLAS in X-ray light

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During the time of the observations, the comet was about 282–285 million km from the spacecraft. The image shows the comet glowing in low-energy X-rays: blue marks empty space with very few X-rays, while red highlights the comet’s X-ray glow.
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ESA - Flaring black hole whips up ultra-fast winds. Leading X-ray space telescopes XMM-Newton and XRISM have spotted an extraordinary blast from a supermassive black hole. esa.int/Science_Exploration/…

Flaring black hole whips up ultra-fast winds

Leading X-ray space telescopes XMM-Newton and XRISM have spotted an extraordinary blast from a supermassive black hole. In a matter of hours, the gravitational monster whipped up powerful winds,...

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In a matter of hours, the gravitational monster whipped up powerful winds, flinging material out into space at eye-watering speeds of 60 000 km per second.
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As part of a proprietary program, XMM-Newton will observe the object 3I ATLAS, a natural comet from outside our solar system. The observations will take place between the 3rd and 4th of December 2025. More information about the observations here, cosmos.esa.int/web/xmm-newto…

Short Term Schedule - XMM-Newton - Cosmos

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ESA XMM-Newton retweeted
ESA Science
@esascience18 Nov 2025
Athena was selected as the second large mission of #CosmicVision, and was later rescoped as #NewAthena. NewAthena will be the largest X-ray observatory ever built. It will investigate some of the hottest & most energetic phenomena in the Universe with unprecedented accuracy and depth. 1/ #CM25
Artist's impression of the NewAthena spacecraft observing a supermassive black hole.

ALT Artist's impression of the NewAthena spacecraft observing a supermassive black hole.

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The 25th AO for XMM-Newton closed on the 10 October 2025. A total of 463 valid proposals were received, which covers a one-year period of 10 Ms of observing time available. In contrast, 85.6 Ms of science time were requested, resulting in an over-subscription factor of 8.6.
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Proposal breakdown: Large Programmes: 45 proposals Fulfil Programmes: 13 proposals Anticipated Target of Opportunity observations: 81 proposals
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Joint Programme submissions totaled 114 proposals: XMM–NuSTAR: 43 XMM–HST: 15 XMM–SWIFT: 19 XMM–VLT: 10 XMM–Chandra: 10 XMM–JWST: 19 XMM–NRAO: 12 XMM–XRISM (new): 9
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