File:NGC 6872 and IC 4970 by ESO VLT.jpg

原始文件 (4,724 × 4,724像素,文件大小:6.39 MB,MIME类型:image/jpeg


摘要

描述
English: This image is a three-colour composite, this time reproduced from one blue (B), one green-yellow (V) and one red (R) exposure, obtained with the FORS1 instrument on the UT1/Antu telescope in the morning of March 29, 1999. The field size is again 6.8x6.8 arcmin 2. It shows the spectacular barred spiral galaxy NGC 6872 that is shaped like an "integral sign". It is of type SBb and is accompanied by a smaller, interacting galaxy, IC 4970 of type S0 (just above the centre). The bright object to the lower right of the galaxies is a star in the Milky Way whose image has been strongly overexposed and exhibits multiple optical reflections in the telescope and instrument. There are also many other, fainter and more distant galaxies of many different forms in the field. They are particularly well visible on the "Normal" and "Full Resolution" versions of the photo. The upper left spiral arm of NGC 6872 is significantly disturbed and is populated by a plethora of blueish objects, many of which are star-forming regions. This may have been be caused by a recent passage of IC 4970 through it. This interesting system is located in the southern constellation Pavo (The Peacock). It is comparatively distant, almost 300 million light-years away. It extends over more than 7 arcmin in the sky and its real size from tip to tip is thus nearly 750,000 light-years. It is in fact one of the largest known, barred spiral galaxies. In order to image all of this extraordinary object within the available field of the FORS1 camera, the instrument was rotated so that the galaxy extends along the diagonal. For this reason, the orientation is such that North is to the upper right and East is to the upper left.
日期
来源 http://www.eso.org/public/images/eso9924b/
作者 ESO

许可协议

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.
w:zh:知识共享
署名
本文件采用知识共享署名 4.0 国际许可协议授权。
您可以自由地:
  • 共享 – 复制、发行并传播本作品
  • 修改 – 改编作品
惟须遵守下列条件:
  • 署名 – 您必须对作品进行署名,提供授权条款的链接,并说明是否对原始内容进行了更改。您可以用任何合理的方式来署名,但不得以任何方式表明许可人认可您或您的使用。

说明

添加一行文字以描述该文件所表现的内容

此文件中描述的项目

描繪內容

文件历史

点击某个日期/时间查看对应时刻的文件。

日期/时间缩⁠略⁠图大小用户备注
当前2019年8月26日 (一) 18:482019年8月26日 (一) 18:48版本的缩略图4,724 × 4,724(6.39 MB)BevinKaconactual size from source
2009年5月2日 (六) 20:152009年5月2日 (六) 20:15版本的缩略图2,048 × 2,039(5.54 MB)Fabian RRRR{{Information |Description={{en|1=This image is a three-colour composite, this time reproduced from one blue (B), one green-yellow (V) and one red (R) exposure, obtained with FORS1 at ANTU in the morning of March 29, 1999. The field size is again 6.8x6.8

以下页面使用本文件:

全域文件用途

以下其他wiki使用此文件:

元数据