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- 2013-08-15: The scheduled maintenance for the ARK database has completed,
and ARK/RPS is fully operational. If you encounter any issues, please contact
the ARK Help Desk.
- 2012-01-12: Due to new NASA IT security policies, all ARK passwords must be
changed by 11:59pm EST, January 24th, 2012. Failure to do so will result in
your ARK account being disabled. Please change
your ARK account password as soon as possible.
- 2009-10-23: Subscribe to the ARK/RPS calendar (instructions) to stay informed of upcoming proposal submission deadlines.
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The Astrophysics Research Knowledgebase (ARK) is a
service provided by NASA's High Energy Astrophysics Science Archive
Research Center (HEASARC) designed to create a user database of results
related to the archival data hosted by the HEASARC. ARK provides a web
interface to submit and search information stored in the database.
ARK is also used for the HEASARC's Remote Proposal System
(RPS), supporting a variety of missions.
Registration is required to access this service. Users are given permissions
to submit to and/or search specific tables in the database based on their needs.
If a group of users wants to collaborate and share results via ARK,
contact our help desk.
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