File:Eso1733j X-shooter spectra montage of kilonova in NGC4993.png
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原始文件 （1,421 × 2,999像素，文件大小：252 KB，MIME类型：image/png）
摘要
| 描述 |
English: This montage of spectra taken using the X-shooter instrument on ESO's Very Large Telescope shows the changing behaviour of the kilonova AT 2017gfo in the galaxy NGC 4993 over a period of 12 days after the explosion (GW170817) was detected on 17 August 2017. Each spectrum covers a range of wavelengths from the near-ultraviolet to the near-infrared and reveals how the object became dramatically redder as it faded.
Deutsch: Diese Montage von Spektren, die mit dem X-Shooter-Instrument am Very Large Telescope der ESO aufgenommen wurden, zeigt das sich ändernde Verhalten der Kilonova AT 2017gfo in der Galaxie NGC 4993 über einen Zeitraum von 12 Tagen nach der Explosion (GW170817) am 17. August 2017. Jedes Spektrum deckt einen Wellenlängenbereich vom nahen Ultraviolett bis hin zum nahen Infrarot ab und zeigt, wie das Objekt mit dem Verblassen dramatisch röter wurde. |
| 日期 | |
| 来源 | https://www.eso.org/public/images/eso1733j/ |
| 作者 | ESO/E. Pian et al./S. Smartt & ePESSTO |
| 授权 (二次使用本文件) |
Unless specifically noted, the images and videos distributed from the public ESO web site, along with the texts of press releases, announcements, pictures of the week, blog posts and captions, are licensed under a Creative Commons Attribution 4.0 International License, and may on a non-exclusive basis be reproduced without fee provided the credit is clear and visible. |
| 其他版本 | https://www.eso.org/public/archives/images/original/eso1733j.tif |
| Title | X-shooter spectra montage of kilonova in NGC 4993 |
许可协议
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This media was created by the European Southern Observatory (ESO).
Their website states: "Unless specifically noted, the images, videos, and music distributed on the public ESO website, along with the texts of press releases, announcements, pictures of the week, blog posts and captions, are licensed under a Creative Commons Attribution 4.0 International License, and may on a non-exclusive basis be reproduced without fee provided the credit is clear and visible." To the uploader: You must provide a link (URL) to the original file and the authorship information if available. |
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| 日期/时间 | 缩略图 | 大小 | 用户 | 备注 | |
|---|---|---|---|---|---|
| 当前 | 2017年10月18日 (三) 14:09 | | 1,421 × 2,999（252 KB） | Geek3 | User created page with UploadWizard |
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