18 May 2006
IVOA - Victoria: Registry 5 1
New resource types from VOEvent
Matthew J. GrahamCaltech
THE US NATIONAL VIRTUAL OBSERVATORY
18 May 2006
IVOA - Victoria: Registry 5 2
What is VOEvent?
• Standard information packet for representing, transmitting, archiving and publishing both the discovery and follow-up of an (immediate) astronomical event:
<VOEvent> <Who> <What> <WhereWhen> <How> <Why> <Citations> <Description> <References></VOEvent>
18 May 2006
IVOA - Victoria: Registry 5 3
VOEvent infrastructure
Author Publisher Repository
Subscriber
responsible forscientific content
persists eventssupports querying
validates XMLassigns identifier
receives events
18 May 2006
IVOA - Victoria: Registry 5 4
Registry use cases
• Tell me about this author:<Who> <AuthorIVORN>ivo://sdss.fnal/snsurvey</AuthorIVORN></Who>
• Tell me about this publisher: <VOEvent ivorn=“ivo://nvo.caltech/voevents#SDSSSS1234567” …>
• Tell me about this repository: <Resource xsi:type=“voe:Repository”> <identifier>ivo://nvo.caltech/nexus</identifier>
• Which publisher has this author?• Which repository has this publisher?
18 May 2006
IVOA - Victoria: Registry 5 5
New type: Publisher
• List of authors (c.f Registry and managedAuthority)
• Subscription interface:– Transport protocol (TCPV, Jabber/XMPP, JMS)– Endpoint– User account/anonymous
18 May 2006
IVOA - Victoria: Registry 5 6
New type: Repository
• List of publishers (c.f Registry and managedAuthority)
• Query interface:– Endpoint– SEAP
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