File:Artist’s impression of merging neutron stars.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	08:48, 18 October 2017		4,000 × 2,634 (1.59 MB)	Jmencisom	User created page with UploadWizard

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Image title	This artist’s impression shows two tiny but very dense neutron stars at the point at which they merge and explode as a kilonova. Such a very rare event is expected to produce both gravitational waves and a short gamma-ray burst, both of which were observed on 17 August 2017 by LIGO–Virgo and Fermi/INTEGRAL respectively. Subsequent detailed observations with many ESO telescopes confirmed that this object, seen in the galaxy NGC 4993 about 130 million light-years from the Earth, is indeed a kilonova. Such objects are the main source of very heavy chemical elements, such as gold and platinum, in the Universe.
Date and time of data generation	16:00, 16 October 2017
Software used	Adobe Photoshop CC 2017 (Windows)
File change date and time	14:09, 11 October 2017
Date and time of digitizing	18:03, 10 October 2017
Date metadata was last modified	16:09, 11 October 2017
Credit/Provider	ESO/L. Calçada/M. Kornmesser
Source	European Southern Observatory
Unique ID of original document	xmp.did:a0ef5b0c-52c6-ac49-8769-b52f6174ee75
Short title	Artist’s impression of merging neutron stars
Keywords	GW170817 NGC 4993
Contact information	http://www.eso.org Karl-Schwarzschild-Strasse 2 Garching bei München, , D-85748 Germany
Usage terms	Creative Commons Attribution 4.0 International License
IIM version	4