1. Deploying the AstroGrid: Science Use for the Black Hole Census Deploying the AstroGrid: Science Use for the Black Hole Census Nicholas Walton Institute of Astronomy, The University of Cambridge A PPARC funded project

2. N A Walton: SC2004 - Pittsburgh: Nov 10, 2004p2 Printed: 08/11/04 X-ray cluster: Chandra X- ray (Mullis) overlaid on a deep BRI image (Clowe & Luppino). ESO Multiple large image sources: registration & association Source ID from multiplexed spectral data Multi-TB λCDM models, e.g. Millennium Sim Generate Shear Maps c.f. CDM models > DM distribution with redshift Remove stars correlate gals with z Colour-Colour relationships classification in multi-phase space Automatic cluster finding techniques NASA Recap: New & Improved Science: Cosmology

3. N A Walton: SC2004 - Pittsburgh: Nov 10, 2004p3 Printed: 08/11/04 Supernova Remnant Cassiopeia-A – a 300 year old Supernova The Challenge and Opportunity of multi- Wavelength data: Shocks seen in the X-ray Chandra image Heavy elements seen in the optical Dust shows in the IR Images from Chandra Science Centre Mapping e¯s in the magnetic field as revealed by Radio data

4. N A Walton: AstroGrid SAG : Meeting 1 : IoA : June 19, 2003p4 Printed: 08/11/04 The Need for Virtual Observatories: Managing Technological Change ● The massive Growth of Data ● Number + size of telescopes ● Optical: ESO's 4x8m VLT, 2x8m Gemini ● X-ray: XMM-Newton ● sub-mm: ALMA ● Increase in size and multiplex capabilities of instrumentation: ● Infra-Red: VISTA > 100 GB/nights ● Radio: e-Merlin > data rates ~320 Gbps ● All sky at 0.1 arcsec – 100 TB

5. N A Walton: SC2004 - Pittsburgh: Nov 10, 2004p5 Printed: 08/11/04 AstroGrid (VO) Key Goals Enable Science by: ● Improving the quality, ease, speed and cost effectiveness of on-line astronomy ● Making comparison and integration of data from diverse sources seamless and transparent ● Removing data analysis barriers to multiwavelength analysis ● Enabling access and manipulation of large data sets

6. N A Walton: SC2004 - Pittsburgh: Nov 10, 2004p6 Printed: 08/11/04 AstroGrid 'Ten' Key Science Drivers

7. N A Walton: SC2004 - Pittsburgh: Nov 10, 2004p7 Printed: 08/11/04 Partnerships in Europe delivering technology for the Astrophysical Virtual Observatory AstroGrid: Technology lead in the AVO

8. N A Walton: SC2004 - Pittsburgh: Nov 10, 2004p8 Printed: 08/11/04 The International Virtual Observatory Alliance (IVOA) agreeing vital low level standards

9. N A Walton: SC2004 - Pittsburgh: Nov 10, 2004p9 Printed: 08/11/04 Deployment Strategy ● Goal: provide rapid operational feedback to ongoing development process ● AstroGrid has an iterative release cycle ● Each release is deployed during the following 'iteration' ● Deployment – Release s/w components installed on the AstroGrid Testbed – Associated release documentation and walk throughs – Dedicated feedback reporting system – In use with 'beta-testers' ● Integration of AstroGrid testbed with EU Astrophysical Virtual Observatory activities

10. N A Walton: SC2004 - Pittsburgh: Nov 10, 2004p10 Printed: 08/11/04 The AstroGrid Testbed

11. N A Walton: SC2004 - Pittsburgh: Nov 10, 2004p11 Printed: 08/11/04 AstroGrid nodes: connected to fast backbone 2.5Gbit/s >1 Gbit/sec 10 Gbit/s AG node

12. N A Walton: SC2004 - Pittsburgh: Nov 10, 2004p12 Printed: 08/11/04 Iteration 05 Deployment Release ● Conforms to IVOA standards ● Single sign in ● User MySpace – secure ● Query building – Standard queries ● Build up workflow – reusability

13. N A Walton: SC2004 - Pittsburgh: Nov 10, 2004p13 Printed: 08/11/04 Iteration 05 Deployment Release complex workflows

14. N A Walton: SC2004 - Pittsburgh: Nov 10, 2004p14 Printed: 08/11/04 Itn05: use in AVO Demo: Jan 2004 discovering distant quasars from multi-λ data

15. N A Walton: SC2004 - Pittsburgh: Nov 10, 2004p15 Printed: 08/11/04 New Science with the AVO Demo Tool

16. N A Walton: SC2004 - Pittsburgh: Nov 10, 2004p16 Printed: 08/11/04 1 st Science from the AVO enabling mass scale data mining ● Search for high luminosity Type 2 QSO's – Optically obscured due to viewing thru the dust torus ● Use of deep multicolour data – GOODS – HST ACS, XMM/ChandraX-Ray ● Use of AVO demonstrator tool – Revealed 4 times more Type-2 quasars in sample – Tool demonstrates ease of access to data ● Enabled via interoperability standards – Enhancement: Workflow to enable mass scale redshifts ● Padovani et al: astro-ph/0406056

17. N A Walton: SC2004 - Pittsburgh: Nov 10, 2004p17 Printed: 08/11/04 Iteration 06 Deployment Release ● More complex IVOA standard implementation – SIAP interface ● Query builder: interface ● Workflow: programmable ● Registry: harvesting ● Applications: varied ● Data: image and tabular

18. N A Walton: SC2004 - Pittsburgh: Nov 10, 2004p18 Printed: 08/11/04 Movie Maker Workflow

19. N A Walton: SC2004 - Pittsburgh: Nov 10, 2004p19 Printed: 08/11/04 AstroGrid Itn06: use in AVO Demo 2005

20. N A Walton: SC2004 - Pittsburgh: Nov 10, 2004p20 Printed: 08/11/04 AstroGrid: Helper Applications ● Range of externally provided applications: tools to analyse and visualise end and intermediate data products – VOPlot: handles VOTable data – VOPlot3D: handles VOTable data – 3D visualisation – Topcat: tabular data and manipulation – VOSpec: spectral plotting and analysis package – Specview: spectral plotting and analysis package – Aladin: data visualisation and catalogue access ● MySpace browser capability (read-only) ● See http://wiki.astrogrid.org/bin/view/Astrogrid/VoResources http://wiki.astrogrid.org/bin/view/Astrogrid/VoResources

21. N A Walton: SC2004 - Pittsburgh: Nov 10, 2004p21 Printed: 08/11/04 The Next Steps: Participant in VO Science Demos 2005 ● AstroGrid: Consortium meeting: mid Dec 2004 — Brown dwarf discovery — Solar coronal mass ejections ● Euro-VO: ESAC, Madrid: 25-26 Jan 2005 — Star formation histories — AGB to PN transitions ● A Widening range of capabilities, data, applications — Increasing scientific usefulness GOAL: end 2005 – science papers enabled by VOs

22. N A Walton: SC2004 - Pittsburgh: Nov 10, 2004p22 Printed: 08/11/04 AstroGrid Version 1 Release: Jan 2005 Prototype Virtual Observatory for the UK http://www.astrogrid.org/release

23. Deploying the AstroGrid: Science Use for the Black Hole Census Deploying the AstroGrid: Science Use for the Black Hole Census http://www.astrogrid.org A PPARC funded project