PSC camp will be held at Green Bank from July 28 to August 3 and applications are open! https://pulsars.nanograv.org/psccamp

Strange Pulsars and Giant Pulses

By Natalia Lewandowska

Swarthmore College

View Link (HTM)

Category

Talks/Videos

Published on

Abstract

Dr. Natalia Lewandowska talks about pulsars that don't quite fit the mold as it were. Her research is on the Crab pulsar - one of the strangest of them all.  An advanced research project with the PSC is studying the Crab and other pulsars with giant pulses.

 

Cite this work

Researchers should cite this work as follows:

  • Natalia Lewandowska (2021), "Strange Pulsars and Giant Pulses," https://pulsars.nanograv.org/resources/1.

    BibTex | EndNote

Tags

  1. crab pulsar
  2. giant pulses

Debug Console

Close6 MBRequestSessionTimelineDatabase37Events52
$_GET
Array( ) Array(

)
$_POST
Array( ) Array(

)
$_COOKIE
Array( 81f30cf708470b974874c8a96a6bcdb2 => babab357b7a812c431baec4712f688dc, d482552ea4a74f85... Array(
81f30cf708470b974874c8a96a6bcdb2 => babab357b7a812c431baec4712f688dc,
d482552ea4a74f85af0bb3d73890dabc => 5 E 45E43105E E 2444543 7406F5D 11B 37E B4A 3 05F41134B514059 4 951135F765817 3 B5C1243 B5612 F16 3 B 2 A1B5B59 7 2 4 B 1 55552 5 C 0565B5757 85A 7555356 5 1 6 3 F 0 8545A1B 3165952 2164044 C 016 A17 25056 31A 45152 350 3 1525B F51 8 8 B5B5150575A5557545153 5 3 2 E5B5C5D5B44 B4358 6 A16164A515412 24A 256515C1A565355 4 6 7 4535A54 5 1 95453 451 35255 05A C 7 1 B5F E5D5B 25B16 94A
)
$_SERVER
Array( TEMP => /var/www/tmp, TMPDIR => /var/www/tmp, TMP => /var/www/tmp, PATH => /usr/lo... Array(
TEMP => /var/www/tmp,
TMPDIR => /var/www/tmp,
TMP => /var/www/tmp,
PATH => /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin,
USER => apache,
HOME => /usr/share/httpd,
SCRIPT_NAME => /index.php,
REQUEST_URI => /resources/1,
QUERY_STRING => ,
REQUEST_METHOD => GET,
SERVER_PROTOCOL => HTTP/1.1,
GATEWAY_INTERFACE => CGI/1.1,
REDIRECT_URL => /resources/1,
REMOTE_PORT => 30661,
SCRIPT_FILENAME => /var/www/pulsars/index.php,
SERVER_ADMIN => root@localhost,
CONTEXT_DOCUMENT_ROOT => /var/www/pulsars,
CONTEXT_PREFIX => ,
REQUEST_SCHEME => https,
DOCUMENT_ROOT => /var/www/pulsars,
REMOTE_ADDR => 18.224.70.238,
SERVER_PORT => 443,
SERVER_ADDR => 157.182.3.38,
SERVER_NAME => pulsars.nanograv.org,
SERVER_SOFTWARE => Apache/2.4.37 (Rocky Linux) OpenSSL/1.1.1k,
SERVER_SIGNATURE => ,
HTTP_HOST => pulsars.nanograv.org,
HTTP_ACCEPT_ENCODING => gzip, br, zstd, deflate,
HTTP_COOKIE => 81f30cf708470b974874c8a96a6bcdb2=babab357b7a812c431baec4712f688dc; d482552ea4a74f85af0bb3d73890dabc=%205%20E%2045E43105E%20E%202444543%207406F5D%2011B%2037E%20B4A%203%2005F41134B514059%204%20951135F765817%203%20B5C1243%20B5612%20F16%203%20B%202%20A1B5B59%207%202%204%20B%201%2055552%205%20C%200565B5757%2085A%207555356%205%201%206%203%20F%200%208545A1B%203165952%202164044%20C%20016%20A17%2025056%2031A%2045152%20350%203%201525B%20F51%208%208%20B5B5150575A5557545153%205%203%202%20E5B5C5D5B44%20B4358%206%20A16164A515412%2024A%20256515C1A565355%204%206%207%204535A54%205%201%2095453%20451%2035255%2005A%20C%207%201%20B5F%20E5D5B%2025B16%2094A,
HTTP_USER_AGENT => Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com),
HTTP_ACCEPT => */*,
SSL_TLS_SNI => pulsars.nanograv.org,
HTTPS => on,
SCRIPT_URI => https://pulsars.nanograv.org/resources/1,
SCRIPT_URL => /resources/1,
UNIQUE_ID => Zkgvk-WeKPuiIW802-oNpwAAAEM,
HTTP_AUTHORIZATION => ,
REDIRECT_STATUS => 200,
REDIRECT_SSL_TLS_SNI => pulsars.nanograv.org,
REDIRECT_HTTPS => on,
REDIRECT_SCRIPT_URI => https://pulsars.nanograv.org/resources/1,
REDIRECT_SCRIPT_URL => /resources/1,
REDIRECT_UNIQUE_ID => Zkgvk-WeKPuiIW802-oNpwAAAEM,
REDIRECT_HTTP_AUTHORIZATION => ,
FCGI_ROLE => RESPONDER,
PHP_SELF => /index.php,
REQUEST_TIME_FLOAT => 1716006803.602,
REQUEST_TIME => 1716006803
)
separator ⇒ .
orderBy ⇒ id
orderDir ⇒ asc
1 ⇒ registerIP
2 ⇒ access
always ⇒
renew ⇒
tracker.sid ⇒ babab357b7a812c431baec4712f688dc
tracker.ssid ⇒ babab357b7a812c431baec4712f688dc
tracker.rsid ⇒ babab357b7a812c431baec4712f688dc
session.token ⇒ 848fc11b808872f88585b387393f25f3
  • site 0.037 seconds (+0.037); 2.00 MB (+2.000) - afterInitialise
  • site 0.055 seconds (+0.018); 2.00 MB (0.000) - afterRoute
  • site 0.146 seconds (+0.091); 6.00 MB (+4.000) - afterDispatch
  • site 0.149 seconds (+0.003); 6.00 MB (0.000) - beforeRenderModule mod_search (Search)
  • site 0.151 seconds (+0.002); 6.00 MB (0.000) - afterRenderModule mod_search (Search)
  • site 0.151 seconds (+0.000); 6.00 MB (0.000) - beforeRenderModule mod_custom (Footer)
  • site 0.152 seconds (+0.000); 6.00 MB (0.000) - afterRenderModule mod_custom (Footer)
  • site 0.152 seconds (+0.000); 6.00 MB (0.000) - beforeRenderModule mod_custom (Footer social links)
  • site 0.152 seconds (+0.000); 6.00 MB (0.000) - afterRenderModule mod_custom (Footer social links)
  • site 0.152 seconds (+0.000); 6.00 MB (0.000) - beforeRenderModule mod_menu (Main Menu)
  • site 0.164 seconds (+0.012); 6.00 MB (0.000) - afterRenderModule mod_menu (Main Menu)
  • site 0.164 seconds (+0.000); 6.00 MB (0.000) - beforeRenderModule mod_notices (Community Notices)
  • site 0.166 seconds (+0.002); 6.00 MB (0.000) - afterRenderModule mod_notices (Community Notices)
  • site 0.167 seconds (+0.001); 6.00 MB (0.000) - onAfterRender
  • site 0.168 seconds (+0.001); 6.00 MB (0.000) - sessionStore
6 MB

37 Queries Logged: 0.036294460296631 seconds

  1. SELECT data
      FROM `jos_session`
      WHERE `session_id` = 'babab357b7a812c431baec4712f688dc'
  2. SELECT extension_id AS id,element AS "option",params,enabled
      FROM `jos_extensions`
      WHERE `type` = 'component'
      AND `element` = 'com_languages'
  3. SELECT extension_id AS id,element AS "option",params,enabled
      FROM `jos_extensions`
      WHERE `type` = 'component'
      AND `element` = 'com_members'
  4. SELECT b.id, b.title
      FROM `jos_usergroups` AS `a`
      LEFT JOIN jos_usergroups AS b
      ON b.lft <= a.lft
      AND b.rgt >= a.rgt
      WHERE `a`.`id` = '1'
  5. SELECT *
      FROM `jos_viewlevels`
  6. SELECT folder AS type,element AS name,protected,params
      FROM `jos_extensions`
      WHERE `enabled` >= '1'
      AND `type` = 'plugin'
      AND `state` >= '0'
      AND `access` IN ('1','1')
      ORDER BY `ordering` ASC
  7. SELECT m.id,m.menutype,m.title,m.alias,m.note,m.path AS route,m.link,m.type,m.level,m.language,m.browserNav,m.access,m.params,m.home,m.img,m.template_style_id,m.component_id,m.parent_id,e.element AS component
      FROM `jos_menu` AS `m`
      LEFT JOIN jos_extensions AS e
      ON e.extension_id = m.component_id
      WHERE `m`.`published` = '1'
      AND `m`.`parent_id` > '0'
      AND `m`.`client_id` = '0'
      ORDER BY `m`.`lft` ASC
  8. SELECT extension_id AS id,element AS "option",params,enabled
      FROM `jos_extensions`
      WHERE `type` = 'component'
      AND `element` = 'com_resources'
  9. SELECT jos_template_styles.id,jos_template_styles.home,jos_template_styles.template,jos_template_styles.params,jos_extensions.protected
      FROM `jos_template_styles`
      INNER JOIN jos_extensions
      ON jos_extensions.element = jos_template_styles.template
      WHERE `jos_template_styles`.`client_id` = '0'
      AND `jos_extensions`.`enabled` = '1'
      AND `jos_extensions`.`type` = 'template'
      AND jos_extensions.`client_id` = `jos_template_styles`.`client_id`
      ORDER BY `home` DESC
  10. SELECT extension_id AS id,element AS "option",params,enabled
      FROM `jos_extensions`
      WHERE `type` = 'component'
      AND `element` = 'com_tags'
  11. SELECT extension_id AS id,element AS "option",params,enabled
      FROM `jos_extensions`
      WHERE `type` = 'component'
      AND `element` = 'com_tools'
  12. SELECT *
      FROM `jos_resources`
      WHERE `jos_resources`.`id` = '1'
  13. SELECT *
      FROM `jos_resource_types`
      WHERE `jos_resource_types`.`id` = '1'
  14. SELECT jos_tags.*
      FROM `jos_tags`
      INNER JOIN jos_tags_object
      ON jos_tags.id = jos_tags_object.tagid
      WHERE `jos_tags_object`.`label` != 'badge'
      AND `jos_tags_object`.`tbl` = 'resources'
      AND `jos_tags_object`.`objectid` = '1'
      AND `jos_tags`.`admin` NOT IN ('1')
  15. SELECT *
      FROM `jos_author_assoc`
      WHERE `jos_author_assoc`.`subid` = '1'
      AND `jos_author_assoc`.`subtable` = 'resources'
      ORDER BY `ordering` ASC
  16. SELECT extension_id AS id,element AS "option",params,enabled
      FROM `jos_extensions`
      WHERE `type` = 'component'
      AND `element` = 'com_citations'
  17. SELECT *
      FROM `jos_users`
      WHERE `jos_users`.`id` = '1017'
  18. SHOW FULL COLUMNS
      FROM `jos_resource_assoc`
  19. SELECT jos_resources.*,parent_id,jos_resource_assoc.ordering AS associative_ordering,jos_resource_assoc.grouping AS associative_grouping
      FROM `jos_resources`
      INNER JOIN jos_resource_assoc
      ON jos_resources.id = child_id
      WHERE `jos_resource_assoc`.`parent_id` = '1'
      AND `jos_resources`.`standalone` = '0'
      AND `jos_resources`.`published` = '1'
      ORDER BY `ordering` ASC
  20. SELECT *
      FROM `jos_resource_types`
      WHERE `jos_resource_types`.`id` = '0'
  21. SELECT *
      FROM `jos_resource_types`
      WHERE `jos_resource_types`.`id` = '11'
  22. SELECT *
      FROM `jos_resource_licenses`
      WHERE `jos_resource_licenses`.`name` = NULL
      LIMIT 1
  23. SELECT k.*
      FROM ((SELECT DISTINCT w.id, w.title, w.pagename AS alias, v.pagetext AS introtext, NULL AS type, NULL AS published, NULL AS publish_up, w.scope, w.scope_id, w.rating, w.times_rated, w.ranking, 'Topic' AS section
      FROM `jos_wiki_pages` AS w
      INNER JOIN `jos_wiki_versions` AS v
      ON w.version_id=v.id
      INNER JOIN `jos_wiki_links` AS wl
      ON wl.page_id=w.id
      WHERE v.approved=1
      AND wl.scope='resource'
      AND w.scope !='
      group'
      AND wl.scope_id='1'
      AND w.access!=1
      GROUP BY w.id, v.pagetext
      ORDER BY ranking DESC, title
      LIMIT 10) UNION (SELECT DISTINCT r.id, r.title, r.alias, r.introtext, r.type, r.published, r.publish_up, NULL AS scope, NULL AS scope_id, r.rating, r.times_rated, r.ranking, rt.type AS section
      FROM `jos_resource_types` AS rt, `jos_resources` AS r JOIN `jos_resource_assoc` AS a
      ON r.id=a.parent_id
      LEFT JOIN `jos_resource_types` AS t
      ON r.logical_type=t.id
      WHERE r.published=1
      AND a.child_id='1'
      AND r.type=rt.id
      AND r.type!=8
      AND r.access=0
      ORDER BY r.ranking
      LIMIT 10)) AS k
      ORDER BY ranking DESC
      LIMIT 10
  24. SELECT *
      FROM `jos_resource_sponsors`
      WHERE `jos_resource_sponsors`.`state` = '1'
  25. SELECT jos_tags_object.label,jos_tags.*
      FROM `jos_tags`
      INNER JOIN jos_tags_object
      ON jos_tags_object.tagid = jos_tags.id
      WHERE `jos_tags_object`.`tbl` = 'resources'
      AND `jos_tags_object`.`objectid` = '1'
      GROUP BY jos_tags_object.label,jos_tags.id
  26. SELECT *
      FROM `jos_resource_types`
      WHERE `jos_resource_types`.`id` = '1'
  27. SELECT m.id,m.title,m.module,m.position,m.content,m.showtitle,m.params,mm.menuid,e.protected
      FROM `jos_modules` AS `m`
      LEFT JOIN jos_modules_menu AS mm
      ON mm.moduleid = m.id
      LEFT JOIN jos_extensions AS e
      ON e.element = m.module
      AND e.client_id = m.client_id
      WHERE `m`.`published` = '1'
      AND `e`.`enabled` = '1'
      AND (`m`.`publish_up` IS NULL OR `m`.`publish_up` <= '2024-05-18 04:33:23' )
      AND (`m`.`publish_down` IS NULL OR `m`.`publish_down` >= '2024-05-18 04:33:23' )
      AND `m`.`access` IN ('1','1')
      AND `m`.`client_id` = '0'
      AND (`mm`.`menuid` = '88' OR `mm`.`menuid` <= '0' )
      ORDER BY `m`.`position` ASC,`m`.`ordering` ASC
  28. SELECT extension_id AS id,element AS "option",params,enabled
      FROM `jos_extensions`
      WHERE `type` = 'component'
      AND `element` = 'com_users'
  29. SELECT extension_id AS id,element AS "option",params,enabled
      FROM `jos_extensions`
      WHERE `type` = 'component'
      AND `element` = 'com_search'
  30. SELECT extension_id AS id,element AS "option",params,enabled
      FROM `jos_extensions`
      WHERE `type` = 'component'
      AND `element` = 'com_content'
  31. SELECT extension_id AS id,element AS "option",params,enabled
      FROM `jos_extensions`
      WHERE `type` = 'component'
      AND `element` = 'com_categories'
  32. SELECT extension_id AS id,element AS "option",params,enabled
      FROM `jos_extensions`
      WHERE `type` = 'component'
      AND `element` = 'com_courses'
  33. SELECT extension_id AS id,element AS "option",params,enabled
      FROM `jos_extensions`
      WHERE `type` = 'component'
      AND `element` = 'com_events'
  34. SELECT extension_id AS id,element AS "option",params,enabled
      FROM `jos_extensions`
      WHERE `type` = 'component'
      AND `element` = 'com_newsletter'
  35. SELECT extension_id AS id,element AS "option",params,enabled
      FROM `jos_extensions`
      WHERE `type` = 'component'
      AND `element` = 'com_psrsearch'
  36. SELECT publish_up, publish_down
      FROM `jos_modules`
      WHERE id=45
  37. UPDATE `jos_session`
      SET `data` = '__default|a:10:{s:15:\"session.counter\";i:3;s:19:\"session.timer.start\";i:1716006801;s:18:\"session.timer.last\";i:1716006802;s:17:\"session.timer.now\";i:1716006803;s:8:\"registry\";O:23:\"Hubzero\\Config\\Registry\":2:{s:7:\"\0*\0data\";O:8:\"stdClass\":2:{s:1:\"0\";s:7:\"session\";s:10:\"Components\";O:8:\"stdClass\":1:{s:9:\"Resources\";O:8:\"stdClass\":1:{s:6:\"Models\";O:8:\"stdClass\":1:{s:6:\"Author\";O:8:\"stdClass\":2:{s:7:\"orderby\";s:8:\"ordering\";s:8:\"orderdir\";s:3:\"asc\";}}}}}s:9:\"separator\";s:1:\".\";}s:4:\"user\";C:17:\"Hubzero\\User\\User\":22:{a:1:{s:5:\"guest\";b:1;}}s:11:\"tracker.sid\";s:32:\"babab357b7a812c431baec4712f688dc\";s:12:\"tracker.ssid\";s:32:\"babab357b7a812c431baec4712f688dc\";s:12:\"tracker.rsid\";s:32:\"babab357b7a812c431baec4712f688dc\";s:13:\"session.token\";s:32:\"848fc11b808872f88585b387393f25f3\";}',`time` = '1716006803',`ip` = '18.224.70.238'
      WHERE `session_id` = 'babab357b7a812c431baec4712f688dc'
  • onAfterInitialise — Method — plgSystemP3p::onAfterInitialise → /core/plugins/system/p3p/p3p.php:21
  • onAfterInitialise — Method — plgSystemRemember::onAfterInitialise → /core/plugins/system/remember/remember.php:20
  • onAfterInitialise — Method — plgSystemHubzero::onAfterInitialise → /core/plugins/system/hubzero/hubzero.php:21
  • onAfterInitialise — Method — plgSystemXFeed::onAfterInitialise → /core/plugins/system/xfeed/xfeed.php:21
  • onAfterInitialise — Method — plgSystemSupergroup::onAfterInitialise → /core/plugins/system/supergroup/supergroup.php:113
  • onAfterInitialise — Method — plgSystemReferrerpolicy::onAfterInitialise → /core/plugins/system/referrerpolicy/referrerpolicy.php:21
  • onAfterRoute — Method — plgSystemJquery::onAfterRoute → /core/plugins/system/jquery/jquery.php:21
  • onAfterRoute — Method — plgSystemSpamjail::onAfterRoute → /core/plugins/system/spamjail/spamjail.php:21
  • onAfterRoute — Method — plgSystemIncomplete::onAfterRoute → /core/plugins/system/incomplete/incomplete.php:21
  • onAfterRoute — Method — plgSystemUnconfirmed::onAfterRoute → /core/plugins/system/unconfirmed/unconfirmed.php:21
  • onAfterRoute — Method — plgSystemUnapproved::onAfterRoute → /core/plugins/system/unapproved/unapproved.php:21
  • onAfterRoute — Method — plgSystemPassword::onAfterRoute → /core/plugins/system/password/password.php:21
  • onResourcesAreas — Method — plgResourcesAbout::onResourcesAreas → /core/plugins/resources/about/about.php:32
  • onResourcesAreas — Method — plgResourcesReviews::onResourcesAreas → /core/plugins/resources/reviews/reviews.php:43
  • onResourcesAreas — Method — plgResourcesUsage::onResourcesAreas → /core/plugins/resources/usage/usage.php:29
  • onResourcesAreas — Method — plgResourcesVersions::onResourcesAreas → /core/plugins/resources/versions/versions.php:29
  • onResourcesAreas — Method — plgResourcesShare::onResourcesAreas → /core/plugins/resources/share/share.php:29
  • onResourcesAreas — Method — plgResourcesQuestions::onResourcesAreas → /core/plugins/resources/questions/questions.php:29
  • onResourcesAreas — Method — plgResourcesSupportingDocs::onResourcesAreas → /core/plugins/resources/supportingdocs/supportingdocs.php:30
  • onResourcesAreas — Method — plgResourcesWishlist::onResourcesAreas → /core/plugins/resources/wishlist/wishlist.php:29
  • onResourcesAreas — Method — plgResourcesFindThisText::onResourcesAreas → /core/plugins/resources/findthistext/findthistext.php:29
  • onResourcesAreas — Method — plgResourcesWindowstools::onResourcesAreas → /core/plugins/resources/windowstools/windowstools.php:214
  • onContentPrepare — Method — plgContentLoadmodule::onContentPrepare → /core/plugins/content/loadmodule/loadmodule.php:35
  • onContentPrepare — Method — plgContentEmailcloak::onContentPrepare → /core/plugins/content/emailcloak/emailcloak.php:25
  • onContentPrepare — Method — plgContentPagebreak::onContentPrepare → /core/plugins/content/pagebreak/pagebreak.php:35
  • onContentPrepare — Method — plgContentXhubtags::onContentPrepare → /core/plugins/content/xhubtags/xhubtags.php:25
  • onContentPrepare — Method — plgContentFormatwiki::onContentPrepare → /core/plugins/content/formatwiki/formatwiki.php:63
  • onContentPrepare — Method — plgContentFormathtml::onContentPrepare → /core/plugins/content/formathtml/formathtml.php:105
  • onContentPrepare — Method — plgContentExternalhref::onContentPrepare → /core/plugins/content/externalhref/externalhref.php:41
  • onResources — Method — plgResourcesAbout::onResources → /core/plugins/resources/about/about.php:54
  • onResources — Method — plgResourcesReviews::onResources → /core/plugins/resources/reviews/reviews.php:91
  • onResources — Method — plgResourcesUsage::onResources → /core/plugins/resources/usage/usage.php:51
  • onResources — Method — plgResourcesVersions::onResources → /core/plugins/resources/versions/versions.php:50
  • onResources — Method — plgResourcesShare::onResources → /core/plugins/resources/share/share.php:50
  • onResources — Method — plgResourcesQuestions::onResources → /core/plugins/resources/questions/questions.php:60
  • onResources — Method — plgResourcesSupportingDocs::onResources → /core/plugins/resources/supportingdocs/supportingdocs.php:52
  • onResources — Method — plgResourcesWishlist::onResources → /core/plugins/resources/wishlist/wishlist.php:50
  • onResources — Method — plgResourcesFindThisText::onResources → /core/plugins/resources/findthistext/findthistext.php:51
  • onResources — Method — plgResourcesWindowstools::onResources → /core/plugins/resources/windowstools/windowstools.php:235
  • onResources — Method — plgResourcesGooglescholar::onResources → /core/plugins/resources/googlescholar/googlescholar.php:25
  • onResources — Method — plgResourcesOpengraph::onResources → /core/plugins/resources/opengraph/opengraph.php:25
  • onResources — Method — plgResourcesDublincore::onResources → /core/plugins/resources/dublincore/dublincore.php:25
  • onResources — Method — plgResourcesCoins::onResources → /core/plugins/resources/coins/coins.php:25
  • onResourcesSub — Method — plgResourcesGroups::onResourcesSub → /core/plugins/resources/groups/groups.php:45
  • onResourcesSub — Method — plgResourcesRelated::onResourcesSub → /core/plugins/resources/related/related.php:45
  • onResourcesSub — Method — plgResourcesSponsors::onResourcesSub → /core/plugins/resources/sponsors/sponsors.php:45
  • onResourcesSub — Method — plgResourcesWatch::onResourcesSub → /core/plugins/resources/watch/watch.php:46
  • onResourcesSub — Method — plgResourcesCollections::onResourcesSub → /core/plugins/resources/collections/collections.php:31
  • onAfterDispatch — Method — plgSystemMobile::onAfterDispatch → /core/plugins/system/mobile/mobile.php:22
  • onAfterDispatch — Method — plgSystemDebug::onAfterDispatch → /core/plugins/system/debug/debug.php:60
  • onAfterDispatch — Method — PlgSystemHighlight::onAfterDispatch → /core/plugins/system/highlight/highlight.php:25
  • onAfterRender — Method — plgSystemSef::onAfterRender → /core/plugins/system/sef/sef.php:21