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

PSC
Your Discovery is here

Image by Tonia Klein

Want to help us discover new pulsars?

The Pulsar Science Collaboratory (PSC) is an out-of-school-time citizen science project for students aged 13 and up. Teachers can join too! After training, PSC students and teachers gain access to radio astronomy data collected by the Green Bank Telescope in West Virginia and the Arecibo Observatory in Puerto Rico. PSC members then analyze the data to search for new pulsars.

Learn more about PSC
Recently discovered pulsars
Pulsar J1930-1852

Discovered July 8, 2012
by Cecilia McGough, Strasburg High School and DeShang Ray, Paul Laurence Dunbar High School

Pulsar J1954+1021

Discovered May 23, 2014
by Sonny Ernst,  Rowan County High School

Pulsar J1400-1438

Discovered October 1, 2011 by Sydney Dydiw of Trinity High School, Emily Phan of George C. Marshall High School, Anne Agee of Roanoke Valley Governor’s School, Jessica Pal of Rowan County High School, and Max Sterling of Langley High School

Check out all the pulsars discovered by PSC students!

Media

What is happening

Video about the PSC program

PSC YouTube Channel

Press Releases

March 28, 2023

Check out this article on data science in astronomy and interstellar exploration! Lots of similar projects to the PSC are discussed!

January 12, 2022

International Pulsar Timing Array Data Release: Are astronomers seeing gravitational wave signals from giant black holes?
 

October 14, 2021

Extragalactic Explosions: a thousand cosmic events detected from a distant galaxy in just 47 days!
 
PSC Partners

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      AND publish_up <= '2024-06-09 23:59:59') OR (publish_down >= '2024-06-09 00:00:00'
      AND publish_down <= '2024-06-09 23:59:59') OR (publish_up <= '2024-06-09 00:00:00'
      AND publish_down >= '2024-06-09 23:59:59'))
      AND state='1'
      AND (jos_events.scope IS NULL OR jos_events.scope='event')
      ORDER BY publish_up ASC
  39. SELECT `jos_events`.*
      FROM `jos_events`, `jos_categories` as b
      WHERE jos_events.catid = b.id
      AND ((publish_up >= '2024-06-10 00:00:00'
      AND publish_up <= '2024-06-10 23:59:59') OR (publish_down >= '2024-06-10 00:00:00'
      AND publish_down <= '2024-06-10 23:59:59') OR (publish_up <= '2024-06-10 00:00:00'
      AND publish_down >= '2024-06-10 23:59:59'))
      AND state='1'
      AND (jos_events.scope IS NULL OR jos_events.scope='event')
      ORDER BY publish_up ASC
  40. SELECT `jos_events`.*
      FROM `jos_events`, `jos_categories` as b
      WHERE jos_events.catid = b.id
      AND ((publish_up >= '2024-06-11 00:00:00'
      AND publish_up <= '2024-06-11 23:59:59') OR (publish_down >= '2024-06-11 00:00:00'
      AND publish_down <= '2024-06-11 23:59:59') OR (publish_up <= '2024-06-11 00:00:00'
      AND publish_down >= '2024-06-11 23:59:59'))
      AND state='1'
      AND (jos_events.scope IS NULL OR jos_events.scope='event')
      ORDER BY publish_up ASC
  41. SELECT `jos_events`.*
      FROM `jos_events`, `jos_categories` as b
      WHERE jos_events.catid = b.id
      AND ((publish_up >= '2024-06-12 00:00:00'
      AND publish_up <= '2024-06-12 23:59:59') OR (publish_down >= '2024-06-12 00:00:00'
      AND publish_down <= '2024-06-12 23:59:59') OR (publish_up <= '2024-06-12 00:00:00'
      AND publish_down >= '2024-06-12 23:59:59'))
      AND state='1'
      AND (jos_events.scope IS NULL OR jos_events.scope='event')
      ORDER BY publish_up ASC
  42. SELECT `jos_events`.*
      FROM `jos_events`, `jos_categories` as b
      WHERE jos_events.catid = b.id
      AND ((publish_up >= '2024-06-13 00:00:00'
      AND publish_up <= '2024-06-13 23:59:59') OR (publish_down >= '2024-06-13 00:00:00'
      AND publish_down <= '2024-06-13 23:59:59') OR (publish_up <= '2024-06-13 00:00:00'
      AND publish_down >= '2024-06-13 23:59:59'))
      AND state='1'
      AND (jos_events.scope IS NULL OR jos_events.scope='event')
      ORDER BY publish_up ASC
  43. SELECT `jos_events`.*
      FROM `jos_events`, `jos_categories` as b
      WHERE jos_events.catid = b.id
      AND ((publish_up >= '2024-06-14 00:00:00'
      AND publish_up <= '2024-06-14 23:59:59') OR (publish_down >= '2024-06-14 00:00:00'
      AND publish_down <= '2024-06-14 23:59:59') OR (publish_up <= '2024-06-14 00:00:00'
      AND publish_down >= '2024-06-14 23:59:59'))
      AND state='1'
      AND (jos_events.scope IS NULL OR jos_events.scope='event')
      ORDER BY publish_up ASC
  44. SELECT `jos_events`.*
      FROM `jos_events`, `jos_categories` as b
      WHERE jos_events.catid = b.id
      AND ((publish_up >= '2024-06-15 00:00:00'
      AND publish_up <= '2024-06-15 23:59:59') OR (publish_down >= '2024-06-15 00:00:00'
      AND publish_down <= '2024-06-15 23:59:59') OR (publish_up <= '2024-06-15 00:00:00'
      AND publish_down >= '2024-06-15 23:59:59'))
      AND state='1'
      AND (jos_events.scope IS NULL OR jos_events.scope='event')
      ORDER BY publish_up ASC
  45. SELECT `jos_events`.*
      FROM `jos_events`, `jos_categories` as b
      WHERE jos_events.catid = b.id
      AND ((publish_up >= '2024-06-16 00:00:00'
      AND publish_up <= '2024-06-16 23:59:59') OR (publish_down >= '2024-06-16 00:00:00'
      AND publish_down <= '2024-06-16 23:59:59') OR (publish_up <= '2024-06-16 00:00:00'
      AND publish_down >= '2024-06-16 23:59:59'))
      AND state='1'
      AND (jos_events.scope IS NULL OR jos_events.scope='event')
      ORDER BY publish_up ASC
  46. SELECT `jos_events`.*
      FROM `jos_events`, `jos_categories` as b
      WHERE jos_events.catid = b.id
      AND ((publish_up >= '2024-06-17 00:00:00'
      AND publish_up <= '2024-06-17 23:59:59') OR (publish_down >= '2024-06-17 00:00:00'
      AND publish_down <= '2024-06-17 23:59:59') OR (publish_up <= '2024-06-17 00:00:00'
      AND publish_down >= '2024-06-17 23:59:59'))
      AND state='1'
      AND (jos_events.scope IS NULL OR jos_events.scope='event')
      ORDER BY publish_up ASC
  47. SELECT `jos_events`.*
      FROM `jos_events`, `jos_categories` as b
      WHERE jos_events.catid = b.id
      AND ((publish_up >= '2024-06-18 00:00:00'
      AND publish_up <= '2024-06-18 23:59:59') OR (publish_down >= '2024-06-18 00:00:00'
      AND publish_down <= '2024-06-18 23:59:59') OR (publish_up <= '2024-06-18 00:00:00'
      AND publish_down >= '2024-06-18 23:59:59'))
      AND state='1'
      AND (jos_events.scope IS NULL OR jos_events.scope='event')
      ORDER BY publish_up ASC
  48. SELECT `jos_events`.*
      FROM `jos_events`, `jos_categories` as b
      WHERE jos_events.catid = b.id
      AND ((publish_up >= '2024-06-19 00:00:00'
      AND publish_up <= '2024-06-19 23:59:59') OR (publish_down >= '2024-06-19 00:00:00'
      AND publish_down <= '2024-06-19 23:59:59') OR (publish_up <= '2024-06-19 00:00:00'
      AND publish_down >= '2024-06-19 23:59:59'))
      AND state='1'
      AND (jos_events.scope IS NULL OR jos_events.scope='event')
      ORDER BY publish_up ASC
  49. SELECT `jos_events`.*
      FROM `jos_events`, `jos_categories` as b
      WHERE jos_events.catid = b.id
      AND ((publish_up >= '2024-06-20 00:00:00'
      AND publish_up <= '2024-06-20 23:59:59') OR (publish_down >= '2024-06-20 00:00:00'
      AND publish_down <= '2024-06-20 23:59:59') OR (publish_up <= '2024-06-20 00:00:00'
      AND publish_down >= '2024-06-20 23:59:59'))
      AND state='1'
      AND (jos_events.scope IS NULL OR jos_events.scope='event')
      ORDER BY publish_up ASC
  50. SELECT `jos_events`.*
      FROM `jos_events`, `jos_categories` as b
      WHERE jos_events.catid = b.id
      AND ((publish_up >= '2024-06-21 00:00:00'
      AND publish_up <= '2024-06-21 23:59:59') OR (publish_down >= '2024-06-21 00:00:00'
      AND publish_down <= '2024-06-21 23:59:59') OR (publish_up <= '2024-06-21 00:00:00'
      AND publish_down >= '2024-06-21 23:59:59'))
      AND state='1'
      AND (jos_events.scope IS NULL OR jos_events.scope='event')
      ORDER BY publish_up ASC
  51. SELECT `jos_events`.*
      FROM `jos_events`, `jos_categories` as b
      WHERE jos_events.catid = b.id
      AND ((publish_up >= '2024-06-22 00:00:00'
      AND publish_up <= '2024-06-22 23:59:59') OR (publish_down >= '2024-06-22 00:00:00'
      AND publish_down <= '2024-06-22 23:59:59') OR (publish_up <= '2024-06-22 00:00:00'
      AND publish_down >= '2024-06-22 23:59:59'))
      AND state='1'
      AND (jos_events.scope IS NULL OR jos_events.scope='event')
      ORDER BY publish_up ASC
  52. SELECT `jos_events`.*
      FROM `jos_events`, `jos_categories` as b
      WHERE jos_events.catid = b.id
      AND ((publish_up >= '2024-06-23 00:00:00'
      AND publish_up <= '2024-06-23 23:59:59') OR (publish_down >= '2024-06-23 00:00:00'
      AND publish_down <= '2024-06-23 23:59:59') OR (publish_up <= '2024-06-23 00:00:00'
      AND publish_down >= '2024-06-23 23:59:59'))
      AND state='1'
      AND (jos_events.scope IS NULL OR jos_events.scope='event')
      ORDER BY publish_up ASC
  53. SELECT `jos_events`.*
      FROM `jos_events`, `jos_categories` as b
      WHERE jos_events.catid = b.id
      AND ((publish_up >= '2024-06-24 00:00:00'
      AND publish_up <= '2024-06-24 23:59:59') OR (publish_down >= '2024-06-24 00:00:00'
      AND publish_down <= '2024-06-24 23:59:59') OR (publish_up <= '2024-06-24 00:00:00'
      AND publish_down >= '2024-06-24 23:59:59'))
      AND state='1'
      AND (jos_events.scope IS NULL OR jos_events.scope='event')
      ORDER BY publish_up ASC
  54. SELECT `jos_events`.*
      FROM `jos_events`, `jos_categories` as b
      WHERE jos_events.catid = b.id
      AND ((publish_up >= '2024-06-25 00:00:00'
      AND publish_up <= '2024-06-25 23:59:59') OR (publish_down >= '2024-06-25 00:00:00'
      AND publish_down <= '2024-06-25 23:59:59') OR (publish_up <= '2024-06-25 00:00:00'
      AND publish_down >= '2024-06-25 23:59:59'))
      AND state='1'
      AND (jos_events.scope IS NULL OR jos_events.scope='event')
      ORDER BY publish_up ASC
  55. SELECT `jos_events`.*
      FROM `jos_events`, `jos_categories` as b
      WHERE jos_events.catid = b.id
      AND ((publish_up >= '2024-06-26 00:00:00'
      AND publish_up <= '2024-06-26 23:59:59') OR (publish_down >= '2024-06-26 00:00:00'
      AND publish_down <= '2024-06-26 23:59:59') OR (publish_up <= '2024-06-26 00:00:00'
      AND publish_down >= '2024-06-26 23:59:59'))
      AND state='1'
      AND (jos_events.scope IS NULL OR jos_events.scope='event')
      ORDER BY publish_up ASC
  56. SELECT `jos_events`.*
      FROM `jos_events`, `jos_categories` as b
      WHERE jos_events.catid = b.id
      AND ((publish_up >= '2024-06-27 00:00:00'
      AND publish_up <= '2024-06-27 23:59:59') OR (publish_down >= '2024-06-27 00:00:00'
      AND publish_down <= '2024-06-27 23:59:59') OR (publish_up <= '2024-06-27 00:00:00'
      AND publish_down >= '2024-06-27 23:59:59'))
      AND state='1'
      AND (jos_events.scope IS NULL OR jos_events.scope='event')
      ORDER BY publish_up ASC
  57. SELECT `jos_events`.*
      FROM `jos_events`, `jos_categories` as b
      WHERE jos_events.catid = b.id
      AND ((publish_up >= '2024-06-28 00:00:00'
      AND publish_up <= '2024-06-28 23:59:59') OR (publish_down >= '2024-06-28 00:00:00'
      AND publish_down <= '2024-06-28 23:59:59') OR (publish_up <= '2024-06-28 00:00:00'
      AND publish_down >= '2024-06-28 23:59:59'))
      AND state='1'
      AND (jos_events.scope IS NULL OR jos_events.scope='event')
      ORDER BY publish_up ASC
  58. SELECT `jos_events`.*
      FROM `jos_events`, `jos_categories` as b
      WHERE jos_events.catid = b.id
      AND ((publish_up >= '2024-06-29 00:00:00'
      AND publish_up <= '2024-06-29 23:59:59') OR (publish_down >= '2024-06-29 00:00:00'
      AND publish_down <= '2024-06-29 23:59:59') OR (publish_up <= '2024-06-29 00:00:00'
      AND publish_down >= '2024-06-29 23:59:59'))
      AND state='1'
      AND (jos_events.scope IS NULL OR jos_events.scope='event')
      ORDER BY publish_up ASC
  59. SELECT `jos_events`.*
      FROM `jos_events`, `jos_categories` as b
      WHERE jos_events.catid = b.id
      AND ((publish_up >= '2024-06-30 00:00:00'
      AND publish_up <= '2024-06-30 23:59:59') OR (publish_down >= '2024-06-30 00:00:00'
      AND publish_down <= '2024-06-30 23:59:59') OR (publish_up <= '2024-06-30 00:00:00'
      AND publish_down >= '2024-06-30 23:59:59'))
      AND state='1'
      AND (jos_events.scope IS NULL OR jos_events.scope='event')
      ORDER BY publish_up ASC
  60. SELECT `jos_events`.*
      FROM `jos_events`, `jos_categories` as b
      WHERE jos_events.catid = b.id
      AND jos_events.state='1'
      AND ((publish_up <= '2024-06-25 00:00:00%'
      AND publish_down >= '2024-06-25 00:00:00%') OR (publish_up <= '2025-06-25 23:59:59%'
      AND publish_down >= '2025-06-25 23:59:59%') OR (publish_up <= '2025-06-25 23:59:59%'
      AND publish_up >= '2024-06-25 00:00:00%') OR (publish_down <= '2025-06-25 23:59:59%'
      AND publish_down >= '2024-06-25 00:00:00%'))
      AND (jos_events.scope IS NULL OR jos_events.scope='event')
      ORDER BY publish_up ASC
      LIMIT 10
  61. SELECT *
      FROM `jos_tags`
      WHERE `jos_tags`.`admin` = '0'
      ORDER BY `objects` DESC
      LIMIT 25
  62. SELECT extension_id AS id,element AS "option",params,enabled
      FROM `jos_extensions`
      WHERE `type` = 'component'
      AND `element` = 'com_users'
  63. SELECT extension_id AS id,element AS "option",params,enabled
      FROM `jos_extensions`
      WHERE `type` = 'component'
      AND `element` = 'com_search'
  64. SELECT *
      FROM `jos_content`
      WHERE `jos_content`.`state` = '1'
      AND `jos_content`.`catid` IN ('28')
      AND `jos_content`.`language` = ''
      ORDER BY `created` DESC
      LIMIT 1
  65. SELECT extension_id AS id,element AS "option",params,enabled
      FROM `jos_extensions`
      WHERE `type` = 'component'
      AND `element` = 'com_courses'
  66. SELECT extension_id AS id,element AS "option",params,enabled
      FROM `jos_extensions`
      WHERE `type` = 'component'
      AND `element` = 'com_newsletter'
  67. SELECT extension_id AS id,element AS "option",params,enabled
      FROM `jos_extensions`
      WHERE `type` = 'component'
      AND `element` = 'com_psrsearch'
  68. SELECT publish_up, publish_down
      FROM `jos_modules`
      WHERE id=45
  69. UPDATE `jos_session`
      SET `data` = '__default|a:10:{s:15:\"session.counter\";i:1;s:19:\"session.timer.start\";i:1719313272;s:18:\"session.timer.last\";i:1719313272;s:17:\"session.timer.now\";i:1719313272;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:4:\"Poll\";O:8:\"stdClass\":1:{s:6:\"Models\";O:8:\"stdClass\":1:{s:4:\"Poll\";O:8:\"stdClass\":2:{s:7:\"orderby\";s:2:\"id\";s:8:\"orderdir\";s:4:\"desc\";}}}}}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:\"a1cc16fcb2f1f254175b9096e49619b5\";s:12:\"tracker.ssid\";s:32:\"a1cc16fcb2f1f254175b9096e49619b5\";s:12:\"tracker.rsid\";s:32:\"a1cc16fcb2f1f254175b9096e49619b5\";s:13:\"session.token\";s:32:\"5eb709e477a9f1ae003e9e20d2e8208c\";}',`time` = '1719313272',`ip` = '44.211.26.178'
      WHERE `session_id` = 'a1cc16fcb2f1f254175b9096e49619b5'
  • 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
  • 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
  • onContentBeforeDisplay Method plgContentPagenavigation::onContentBeforeDisplay /core/plugins/content/pagenavigation/pagenavigation.php:25
  • onContentBeforeDisplay Method plgContentVote::onContentBeforeDisplay /core/plugins/content/vote/vote.php:32
  • 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