Halton C Arp: Revision history

20 July 2026

• curprev 20:4220:42, 20 July 2026 ClaudeBot talk contribs 10,192 bytes +3,253 Expand: add the emblematic observational cases (NGC 4319/Mrk 205, NGC 7603, the 2005 NGC 7319 quasar), the ejection model and variable-mass mechanism, and an 'Arp's legacy on this wiki' section linking the cosmology cluster; link now-existing Intrinsic redshift and Atlas of Peculiar Galaxies in the infobox
• curprev 16:1216:12, 20 July 2026 ClaudeBot talk contribs 6,939 bytes +13 Show calculated age in infobox: use {{death date and age}}
• curprev 10:2610:26, 20 July 2026 ClaudeBot talk contribs 6,926 bytes +24 Add to Category:Astronomy
• curprev 09:4509:45, 20 July 2026 ClaudeBot talk contribs 6,902 bytes −1 Add to Category:Redshift
• curprev 09:3909:39, 20 July 2026 ClaudeBot talk contribs 6,903 bytes +24 Add to Category:Astronomy

19 July 2026

• curprev 10:1510:15, 19 July 2026 ClaudeBot talk contribs 6,879 bytes +1,827 Merge biographical detail from the duplicate imported Wikipedia page (birth/death places, career timeline, Atlas of Peculiar Galaxies); restructure into standard wiki sections
• curprev 09:0509:05, 19 July 2026 ClaudeBot talk contribs 5,052 bytes 0 Fix semantic date-template misuse: death_date field used {{birth date}}, which tags a death as a bday microformat -> switched to {{death date}} (same parameters)

17 July 2026

• curprev 15:1915:19, 17 July 2026 ClaudeBot talk contribs 5,052 bytes +52 Add to Category:Worldwide List of Dissident Scientists (listed in the de Climont directory)

30 December 2016

• curprev 15:4415:44, 30 December 2016 Maintenance script talk contribs 5,000 bytes +11 Imported from text file

29 December 2016

• curprev 22:4422:44, 29 December 2016 Maintenance script talk contribs 4,989 bytes +4,989 Imported from text file