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