The Australian Virtual Observatory a k a e

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The Australian Virtual Observatory (a. k. a. e. Astronomy Australia) Ray Norris CSIRO ATNF

The Australian Virtual Observatory (a. k. a. e. Astronomy Australia) Ray Norris CSIRO ATNF

Overview • Aims – what can Australia contribute to the IVO – Data –

Overview • Aims – what can Australia contribute to the IVO – Data – Techniques • Status • The role of small countries in the IVO

Australian data resources • 2 d. F – Galaxy survey: redshifts and spectra for

Australian data resources • 2 d. F – Galaxy survey: redshifts and spectra for 250 000 galaxies up to z=0. 3, b. J=19. 45 – Quasar survey: redshifts and spectra for 30 000 quasars up to z=3. 0, b. J=21

Lya Australian data resources • 2 d. FCIV – Galaxy survey: redshifts and spectra

Lya Australian data resources • 2 d. FCIV – Galaxy survey: redshifts and spectra for CIII] up to z=0. 3, b. J=19. 45 250 000 galaxies Mg. II – Quasar survey: redshifts and spectra for 30 000 quasars up to z=3. 0, b. J=21 Hb

Australian data resources • 2 d. F • HIPASS – Surveyed all galaxies in

Australian data resources • 2 d. F • HIPASS – Surveyed all galaxies in HI (unbiased) up to 12000 km/s – Increased HI-surveyed volume by a factor of 100 – Surveyed Zone of Avoidance – Doubled the number of known pulsars (~1000)

Australian data resources • 2 d. F • HIPASS – Surveyed all galaxies in

Australian data resources • 2 d. F • HIPASS – Surveyed all galaxies in HI (unbiased) up to 12000 km/s – Increased HI-surveyed volume by a factor of 100 – Surveyed Zone of Avoidance – Doubled the number of known pulsars (~1000)

Australian data resources • 2 d. F • HIPASS – Surveyed all galaxies in

Australian data resources • 2 d. F • HIPASS – Surveyed all galaxies in HI (unbiased) up to 12000 km/s – Increased HI-surveyed volume by a factor of 100 – Surveyed Zone of Avoidance – Doubled the number of known pulsars (~1000)

Australian data resources • 2 d. F • HIPASS • Macho – 113 000

Australian data resources • 2 d. F • HIPASS • Macho – 113 000 images on 8*2048 CCDs – 8 -year Light curves for 8 million stars in LMC – 8 -year Light curves for 10 million stars in Bulge – Variable star catalogue, etc.

Australian data resources • 2 d. F • HIPASS • Macho – 113 000

Australian data resources • 2 d. F • HIPASS • Macho – 113 000 images on 8*2048 CCDs – 8 -year Light curves for 8 million stars in LMC – 8 -year Light curves for 10 million stars in Bulge – Variable star catalogue, etc.

Australian data resources • • 2 d. F HIPASS Macho SUMSS – – survey

Australian data resources • • 2 d. F HIPASS Macho SUMSS – – survey of entire sky south of Dec -33 o at 843 MHz Sensitivity ~ 1 m. Jy rms Resolution ~ 43 arcsec Similar in resolution and sensitivity to NVSS

Australian data resources • • 2 d. F HIPASS Macho SUMSS – – survey

Australian data resources • • 2 d. F HIPASS Macho SUMSS – – survey of entire sky south of Dec -33 o at 843 MHz Sensitivity ~ 1 m. Jy rms Resolution ~ 43 arcsec Similar in resolution and sensitivity to NVSS

Australian data resources • • • 2 d. F HIPASS Macho SUMSS ATCA data

Australian data resources • • • 2 d. F HIPASS Macho SUMSS ATCA data archive – 10 years of radio synthesis observations – Complementary to VLT, Gemini, ALMA – All data older than 18 months currently available on request from www archive

Australian data resources • • 2 d. F HIPASS Macho ATCA data archive HDF-S

Australian data resources • • 2 d. F HIPASS Macho ATCA data archive HDF-S WFPC field – 10 years of radio synthesis observations – Complementary to VLT, Gemini, ALMA – All data older than 18 months currently available on 7 request from www archive m. Jy rms

Goals of e. Astronomy Australia • Make survey and archive data from Australian telescopes

Goals of e. Astronomy Australia • Make survey and archive data from Australian telescopes available to all IVO users – All data listed here (and more!) is planned to be put into IVO • Set up datagrid and compute grid to give Australian astronomers access to IVO resources • Help develop techniques, protocols, etc for the IVO

What are the elements of the IVO? User IVOtool Instruction format Interchange format Translator

What are the elements of the IVO? User IVOtool Instruction format Interchange format Translator Database Simulation Theory/model Capability database Telescope proposal system Translator Processor Database

Example element of e. Astronomy Australia Build a pipeline processor (running aips++) to process

Example element of e. Astronomy Australia Build a pipeline processor (running aips++) to process radio synthesis data from ATCA archive on the fly – User can choose parameters of image • Field centre • Field size • Optimise algorithm for science question being asked – Can use latest version of calibration algorithm – Expert users can tweak parameters

Other elements of e. Astronomy Australia • Build a pipeline processor (running aips++) to

Other elements of e. Astronomy Australia • Build a pipeline processor (running aips++) to process radio synthesis data from ATCA archive on the fly • Incorporate significant Australian datasets • Working with ICT scientists (e. g. in CSIRO Maths & Information Science), develop Grid Computer network • Link into astrophysical theory centres • Link into SKA developments

Current status of e. Astronomy Australia • Identified in Australian “decadal review” as high

Current status of e. Astronomy Australia • Identified in Australian “decadal review” as high priority • Several funding proposals (ARC, CSIRO) in pipeline for different aspects • Now in embryonic stage • Expect to start in late 2002

Australian strengths • Several significant projects providing data of interest to international community •

Australian strengths • Several significant projects providing data of interest to international community • Unusually tight links and collaboration between radio and IR/optical communities • Good links between astronomical community and ICT research community

Australian weakness • Small size compared to US, Europe • Distance between Australia and

Australian weakness • Small size compared to US, Europe • Distance between Australia and everywhere else

Principles of engagement of a small country in a large international project 1. Identify

Principles of engagement of a small country in a large international project 1. Identify any strengths or special roles the country may have in the international context 2. Identify what the major international partners gain from the involvement of the small country 3. Identify what the small country gains from its involvement in the project 4. Identify a niche where the country can realistically contribute in a significant way 5. If any of 1 -4 cannot be identified, then small country should not participate in the project

Principles of engagement of a small country in a large international project 1. Data

Principles of engagement of a small country in a large international project 1. Data availability, optical/radio links, Identify any strengths or special roles the astronomy/ICT country may have in links the international context 2. Identify what the major international partners technical input gain from Data, the involvement of the small country 3. Identify what the small country gains from its Partnership, involvement in the projectlinkages 4. Identify a niche where the country can ? a significant way realistically contribute in 5. If any of 1 -4 cannot be identified, then small country should not participate in the project

What is the niche in which Australia can best contribute to the IVO?

What is the niche in which Australia can best contribute to the IVO?