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Orphaned references in X-ray astronomy history

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I check pages listed in Category:Pages with incorrect ref formatting to try to fix reference errors. One of the things I do is look for content for orphaned references in wikilinked articles. I have found content for some of X-ray astronomy history's orphans, the problem is that I found more than one version. I can't determine which (if any) is correct for this article, so I am asking for a sentient editor to look it over and copy the correct ref content into this article.

Reference named "Gudel":

  • From X-ray astronomy: Güdel M (2004). "X-ray astronomy of stellar coronae" (PDF). Astron Astrophys Rev. 12: 71. doi:10.1007/s00159-004-0023-2.
  • From Stellar X-ray astronomy: Güdel M (2004). "X-ray astronomy of stellar coronae" (PDF). Astron Astrophys Rev. 12: 71–237. doi:10.1007/s00159-004-0023-2.

I apologize if any of the above are effectively identical; I am just a simple computer program, so I can't determine whether minor differences are significant or not. AnomieBOT 05:34, 18 November 2009 (UTC)[reply]

References fixed in both articles. Marshallsumter (talk) 05:51, 19 November 2009 (UTC)[reply]

Off topic

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The content below appears to be off topic so I moving it here for now:

Section title: Detecting X-ray sources

As of 2000, there were about 220,000 known X-ray sources, with the vast majority discovered by the ROSAT X-ray satellite observatory.[1]

Known X-ray sources[1]
Year No. X-ray Sources known Based on
1960 0 (or 1 if the Sun is counted)
1962 1 Rocket experiments
1965 10 Rocket experiments
1970 60 Rocket & balloon experiments
1974 160 3rd Uhuru Catalog
1980 680 Amnuel et al. (1982) Catalog
1984 840 HEAO A-1 Catalog
1990 8,000 Einstein & EXOSAT source catalogs
2000 220,000 ROSAT source catalogs
2007 550,000 above + XMM-Newton & Chandra serendipity sources

References

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Hello fellow Wikipedians,

I have just modified one external link on History of X-ray astronomy. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:

When you have finished reviewing my changes, you may follow the instructions on the template below to fix any issues with the URLs.

This message was posted before February 2018. After February 2018, "External links modified" talk page sections are no longer generated or monitored by InternetArchiveBot. No special action is required regarding these talk page notices, other than regular verification using the archive tool instructions below. Editors have permission to delete these "External links modified" talk page sections if they want to de-clutter talk pages, but see the RfC before doing mass systematic removals. This message is updated dynamically through the template {{source check}} (last update: 5 June 2024).

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Cheers.—InternetArchiveBot (Report bug) 00:50, 5 November 2017 (UTC)[reply]