Learn “extreme” astronomy, and join in research to find new pulsars! Teachers and students can start a self-paced lesson series anytime! Our next course will start October 10th 2024 at 7 pm EDT at https://us02web.zoom.us/j/83714989189?pwd=GcQB1OYL4MnSgex0uhb6NSVTGkmlMk.1. We will host an online Q&A session on October 3rd at 7 pm EDT for those of you would like to learn more before jumping into the course!
We couldn't find any reviews for this course. How would you like to be the first?
How do I enroll?
Find the description page for the course you want to take (hint: you're on one right now). Look for an "enroll" button and click it. If you don't see the button, the course currently isn't active.
Can I review without enrolling?
Sorry, no. To review a course you must have taken the course.
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
=>
/courses/psc-online-training/reviews
, QUERY_STRING
=>
, REQUEST_METHOD
=>
GET
, SERVER_PROTOCOL
=>
HTTP/1.1
, GATEWAY_INTERFACE
=>
CGI/1.1
, REDIRECT_URL
=>
/courses/psc-online-training/reviews
, REMOTE_PORT
=>
53106
, 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
=>
18.217.234.168
, 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_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/courses/psc-online-training/reviews
, SCRIPT_URL
=>
/courses/psc-online-training/reviews
, UNIQUE_ID
=>
Z1pZTf2WWB2ANYUr-0w2EgAAAYo
, HTTP_AUTHORIZATION
=>
, REDIRECT_STATUS
=>
200
, REDIRECT_SSL_TLS_SNI
=>
pulsars.nanograv.org
, REDIRECT_HTTPS
=>
on
, REDIRECT_SCRIPT_URI
=>
https://pulsars.nanograv.org/courses/psc-online-training/reviews
, REDIRECT_SCRIPT_URL
=>
/courses/psc-online-training/reviews
, REDIRECT_UNIQUE_ID
=>
Z1pZTf2WWB2ANYUr-0w2EgAAAYo
, REDIRECT_HTTP_AUTHORIZATION
=>
, FCGI_ROLE
=>
RESPONDER
, PHP_SELF
=>
/index.php
, REQUEST_TIME_FLOAT
=>
1733974349.9338
, REQUEST_TIME
=>
1733974349
separator ⇒ .
orderBy ⇒ id
orderDir ⇒ asc
1 ⇒ registerIP
2 ⇒ access
always ⇒
renew ⇒
tracker.sid ⇒ e8c39757b01cea74c86955d0279babec
tracker.ssid ⇒ e8c39757b01cea74c86955d0279babec
tracker.rsid ⇒ e8c39757b01cea74c86955d0279babec
site 0.064 seconds (+0.064); 2.00 MB (+2.000) - afterInitialise
site 0.088 seconds (+0.025); 2.00 MB (0.000) - afterRoute
site 0.210 seconds (+0.122); 8.00 MB (+6.000) - afterDispatch
site 0.217 seconds (+0.007); 8.00 MB (0.000) - beforeRenderModule mod_search (Search)
site 0.219 seconds (+0.002); 8.00 MB (0.000) - afterRenderModule mod_search (Search)
site 0.219 seconds (+0.000); 8.00 MB (0.000) - beforeRenderModule mod_custom (Footer)
site 0.220 seconds (+0.000); 8.00 MB (0.000) - afterRenderModule mod_custom (Footer)
site 0.220 seconds (+0.000); 8.00 MB (0.000) - beforeRenderModule mod_custom (Footer social links)
site 0.220 seconds (+0.000); 8.00 MB (0.000) - afterRenderModule mod_custom (Footer social links)
site 0.220 seconds (+0.000); 8.00 MB (0.000) - beforeRenderModule mod_menu (Main Menu)
site 0.232 seconds (+0.012); 8.00 MB (0.000) - afterRenderModule mod_menu (Main Menu)
site 0.233 seconds (+0.001); 8.00 MB (0.000) - onAfterRender
site 0.235 seconds (+0.001); 8.00 MB (0.000) - sessionStore
SELECT data
FROM `jos_session`
WHERE `session_id` = 'd15d73c143e4ead40f4fbd4ceb6b5dab'
DELETE
FROM `jos_session`
WHERE `session_id` = 'd15d73c143e4ead40f4fbd4ceb6b5dab'
SELECT data
FROM `jos_session`
WHERE `session_id` = 'e8c39757b01cea74c86955d0279babec'
SELECT extension_id AS id,element AS "option",params,enabled
FROM `jos_extensions`
WHERE `type` = 'component'
AND `element` = 'com_languages'
SELECT session_id
FROM `jos_session`
WHERE `session_id` = 'e8c39757b01cea74c86955d0279babec'
LIMIT 1
INSERT INTO `jos_session`
(`session_id`,`client_id`,`time`,`ip`)
VALUES ('e8c39757b01cea74c86955d0279babec','0','1733974350','18.217.234.168')
SELECT extension_id AS id,element AS "option",params,enabled
FROM `jos_extensions`
WHERE `type` = 'component'
AND `element` = 'com_members'
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'
SELECT *
FROM `jos_viewlevels`
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
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
SELECT extension_id AS id,element AS "option",params,enabled
FROM `jos_extensions`
WHERE `type` = 'component'
AND `element` = 'com_courses'
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
SELECT extension_id AS id,element AS "option",params,enabled
FROM `jos_extensions`
WHERE `type` = 'component'
AND `element` = 'com_tags'
SHOW FULL COLUMNS
FROM `jos_courses`
SELECT *
FROM `jos_courses`
WHERE `alias` = 'psc-online-training'
SELECT *
FROM `jos_courses`
WHERE `id` = '1'
SHOW FULL COLUMNS
FROM `jos_courses_offerings`
SELECT a.rules
FROM `jos_assets` AS `a`
WHERE `a`.`id` = '1'
GROUP BY a.id, a.rules, a.lft
SELECT b.rules
FROM `jos_assets` AS `a`
LEFT JOIN jos_assets AS b
ON b.lft <= a.lft
AND b.rgt >= a.rgt
WHERE `a`.`name` = 'com_courses'
GROUP BY b.id, b.rules, b.lft
ORDER BY `b`.`lft` ASC
SELECT extension_id AS id,element AS "option",params,enabled
FROM `jos_extensions`
WHERE `type` = 'component'
AND `element` = 'com_forum'
SELECT *
FROM `jos_item_comments`
WHERE `jos_item_comments`.`item_id` = '1'
AND `jos_item_comments`.`item_type` = 'courses'
AND `jos_item_comments`.`parent` = '0'
AND `jos_item_comments`.`state` = ('1')
SELECT *
FROM `jos_item_comments`
WHERE `jos_item_comments`.`item_type` = 'courses'
AND `jos_item_comments`.`item_id` = '1'
AND `jos_item_comments`.`parent` = '0'
AND `jos_item_comments`.`state` IN ('1','3')
ORDER BY `created` ASC
LIMIT 25
SELECT *
FROM `jos_item_votes`
WHERE `jos_item_votes`.`item_id` = NULL
AND `jos_item_votes`.`item_type` = 'comment'
AND `jos_item_votes`.`created_by` = '0'
SELECT ci.*, c.alias AS course_alias
FROM jos_courses_offerings AS ci
INNER JOIN jos_courses AS c
ON c.id=ci.course_id
WHERE c.id='1'
AND ci.state='1'
ORDER BY publish_up ASC
SHOW FULL COLUMNS
FROM `jos_courses_offering_sections`
SELECT *
FROM `jos_courses_offering_sections`
WHERE `is_default` = '1'
AND `offering_id` = '1'
SELECT *
FROM `jos_courses_offering_sections`
WHERE `is_default` = '1'
AND `offering_id` = '3'
SELECT *
FROM `jos_courses_offering_sections`
WHERE `is_default` = '1'
AND `offering_id` = '4'
SELECT *
FROM `jos_courses_offering_sections`
WHERE `is_default` = '1'
AND `offering_id` = '9'
SELECT *
FROM `jos_courses_offering_sections`
WHERE `is_default` = '1'
AND `offering_id` = '10'
SELECT *
FROM `jos_courses_offering_sections`
WHERE `is_default` = '1'
AND `offering_id` = '16'
SHOW FULL COLUMNS
FROM `jos_courses_pages`
SELECT r.*
FROM jos_courses_pages AS r
WHERE r.`course_id`='1'
AND r.`offering_id` IN (0)
AND r.`active`='1'
ORDER BY ordering ASC
SELECT ci.*, c.alias AS course_alias
FROM jos_courses_offerings AS ci
INNER JOIN jos_courses AS c
ON c.id=ci.course_id
WHERE c.id='1'
AND (ci.publish_up IS NULL OR ci.publish_up = '0000-00-00 00:00:00' OR ci.publish_up <= '2024-12-12 03:32:30')
AND (ci.publish_down IS NULL OR ci.publish_down = '0000-00-00 00:00:00' OR ci.publish_down >= '2024-12-12 03:32:30')
AND ci.state='1'
ORDER BY publish_up DESC
SHOW FULL COLUMNS
FROM `jos_courses_members`
SELECT *
FROM jos_courses_members
WHERE `student`='0'
AND `user_id`='0'
AND `course_id`='1'
AND `offering_id` IN (0,0)
AND `section_id` IN (0,0)
ORDER BY student ASC, section_id ASC, offering_id ASC
LIMIT 1
SHOW FULL COLUMNS
FROM `jos_courses_roles`
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` = 'courses'
AND `jos_tags_object`.`objectid` = '1'
AND `jos_tags`.`admin` NOT IN ('1')
GROUP BY jos_tags_object.label,jos_tags.id
SELECT *
FROM `jos_xgroups`
WHERE gidNumber = '1005';
(select uidNumber, 'invitees' AS role
from jos_xgroups_invitees
where gidNumber='1005')
UNION
(select uidNumber, 'applicants' AS role
from jos_xgroups_applicants
where gidNumber='1005')
UNION
(select uidNumber, 'members' AS role
from jos_xgroups_members
where gidNumber='1005')
UNION
(select uidNumber, 'managers' AS role
from jos_xgroups_managers
where gidNumber='1005')
SELECT extension_id AS id,element AS "option",params,enabled
FROM `jos_extensions`
WHERE `type` = 'component'
AND `element` = 'com_groups'
SHOW FULL COLUMNS
FROM `jos_courses_certificates`
SELECT *
FROM `jos_courses_certificates`
WHERE `course_id` = '1'
SELECT os.*
FROM jos_courses_offering_sections AS os
INNER JOIN jos_courses_offerings AS o
ON o.id=os.offering_id
WHERE os.offering_id='1'
AND os.state='1'
AND os.is_default='0'
AND os.enrollment IN (0,1)
AND (os.publish_up IS NULL OR os.publish_up = '0000-00-00 00:00:00' OR os.publish_up <= '2024-12-12 03:32:30')
AND (os.publish_down IS NULL OR os.publish_down = '0000-00-00 00:00:00' OR os.publish_down >= '2024-12-12 03:32:30')
AND (os.start_date IS NULL OR os.start_date = '0000-00-00 00:00:00' OR os.start_date <= '2024-12-12 03:32:30')
AND (os.end_date IS NULL OR os.end_date = '0000-00-00 00:00:00' OR os.end_date >= '2024-12-12 03:32:30')
ORDER BY os.title ASC
SELECT m.*, u.name, u.email, u.username, r.alias AS role_alias, r.title AS role_title, r.permissions AS role_permissions
FROM jos_courses_members AS m
JOIN jos_users AS u
ON u.id=m.user_id
LEFT JOIN jos_courses_roles AS r
ON r.id=m.role_id
WHERE m.`course_id`='1'
AND m.`offering_id`='0'
AND m.`section_id`='0'
AND r.`alias`='instructor'
AND m.`student`='0'
SELECT *
FROM `jos_courses_roles`
WHERE `id` = '1'
SELECT *
FROM `jos_courses_roles`
WHERE `id` = '1'
SELECT *
FROM `jos_courses_roles`
WHERE `id` = '1'
SELECT *
FROM `jos_courses_roles`
WHERE `id` = '1'
SELECT *
FROM `jos_users`
WHERE `jos_users`.`id` = '1039'
SELECT *
FROM `jos_user_profiles`
WHERE `jos_user_profiles`.`user_id` = '1039'
SELECT *
FROM `jos_xprofiles`
WHERE uidNumber = '1039';
SELECT *
FROM `jos_users`
WHERE `jos_users`.`id` = '1109'
SELECT *
FROM `jos_user_profiles`
WHERE `jos_user_profiles`.`user_id` = '1109'
SELECT *
FROM `jos_xprofiles`
WHERE uidNumber = '1109';
SELECT *
FROM `jos_users`
WHERE `jos_users`.`id` = '1483'
SELECT *
FROM `jos_user_profiles`
WHERE `jos_user_profiles`.`user_id` = '1483'
SELECT *
FROM `jos_xprofiles`
WHERE uidNumber = '1483';
SELECT *
FROM `jos_users`
WHERE `jos_users`.`id` = '1065'
SELECT *
FROM `jos_user_profiles`
WHERE `jos_user_profiles`.`user_id` = '1065'
SELECT *
FROM `jos_xprofiles`
WHERE uidNumber = '1065';
SELECT m.*, u.name, u.email, u.username, r.alias AS role_alias, r.title AS role_title, r.permissions AS role_permissions
FROM jos_courses_members AS m
JOIN jos_users AS u
ON u.id=m.user_id
LEFT JOIN jos_courses_roles AS r
ON r.id=m.role_id
WHERE m.`course_id`='1'
AND m.`offering_id`='0'
AND m.`section_id`='0'
AND r.`alias`='instructor'
AND m.`student`='0'
SELECT *
FROM `jos_courses_roles`
WHERE `id` = '1'
SELECT *
FROM `jos_courses_roles`
WHERE `id` = '1'
SELECT *
FROM `jos_courses_roles`
WHERE `id` = '1'
SELECT *
FROM `jos_courses_roles`
WHERE `id` = '1'
SELECT DISTINCT c.*
FROM `jos_courses` AS c
JOIN `jos_courses_members` AS m
ON m.course_id=c.id
AND m.student=0
LEFT JOIN `jos_courses_roles` AS r
ON r.id=m.role_id
WHERE r.alias='instructor'
AND m.user_id IN (1039,1109,1483,1065)
AND m.student=0
AND c.state=1
AND c.id !='1'
LIMIT 3
SELECT extension_id AS id,element AS "option",params,enabled
FROM `jos_extensions`
WHERE `type` = 'component'
AND `element` = 'com_users'
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` <= '2024-12-12 03:32:30'
)
AND (`m`.`publish_down` IS NULL
OR `m`.`publish_down` >= '2024-12-12 03:32:30'
)
AND `m`.`access` IN ('1','1')
AND `m`.`client_id` = '0'
AND (`mm`.`menuid` = '143'
OR `mm`.`menuid` <= '0'
)
ORDER BY `m`.`position` ASC,`m`.`ordering` ASC
SELECT extension_id AS id,element AS "option",params,enabled
FROM `jos_extensions`
WHERE `type` = 'component'
AND `element` = 'com_search'
SELECT extension_id AS id,element AS "option",params,enabled
FROM `jos_extensions`
WHERE `type` = 'component'
AND `element` = 'com_content'
SELECT extension_id AS id,element AS "option",params,enabled
FROM `jos_extensions`
WHERE `type` = 'component'
AND `element` = 'com_categories'
SELECT extension_id AS id,element AS "option",params,enabled
FROM `jos_extensions`
WHERE `type` = 'component'
AND `element` = 'com_events'
SELECT extension_id AS id,element AS "option",params,enabled
FROM `jos_extensions`
WHERE `type` = 'component'
AND `element` = 'com_newsletter'
SELECT extension_id AS id,element AS "option",params,enabled
FROM `jos_extensions`
WHERE `type` = 'component'
AND `element` = 'com_psrsearch'
UPDATE `jos_session`
SET `data` = '__default|a:9:{s:15:\"session.counter\";i:1;s:19:\"session.timer.start\";i:1733974349;s:18:\"session.timer.last\";i:1733974349;s:17:\"session.timer.now\";i:1733974349;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:7:\"Courses\";O:8:\"stdClass\":1:{s:6:\"Models\";O:8:\"stdClass\":1:{s:7:\"Comment\";O:8:\"stdClass\":2:{s:7:\"orderby\";s:7:\"created\";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:\"e8c39757b01cea74c86955d0279babec\";s:12:\"tracker.ssid\";s:32:\"e8c39757b01cea74c86955d0279babec\";s:12:\"tracker.rsid\";s:32:\"e8c39757b01cea74c86955d0279babec\";}',`time` = '1733974350',`ip` = '18.217.234.168'
WHERE `session_id` = 'e8c39757b01cea74c86955d0279babec'
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
onCourseView — Method — plgCoursesOverview::onCourseView → /core/plugins/courses/overview/overview.php:30
onCourseView — Method — plgCoursesReviews::onCourseView → /core/plugins/courses/reviews/reviews.php:32
onCourseView — Method — plgCoursesOfferings::onCourseView → /core/plugins/courses/offerings/offerings.php:30
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
onCourseViewAfter — Method — plgCoursesRelated::onCourseViewAfter → /core/plugins/courses/related/related.php:29
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