Miguel CerviñoLAEFF 27 Nov. 2006 Modelos de síntesis, modelos de atmósferas e isocronas en el VO...

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Modelos de síntesis, modelos de atmósferas e isocronas en el VO

Miguel Cerviño (IAA-CSIC/SVO)+ LAEFF-INTA/SVO +INAOE VO/MVO



Databases, Interoperability and Science

But: 1.- Where are databases of theoretical models? 2.- How to describe a theoretical model?

Observational data bases, OK

Observed data

Theoretical data

Analysis tools & Science



Working groups

http://www.ivoa.net ---> Community

http://www.astroscu.unam.mx/ia_cu/proyectos/ovs/index.htm



Synthesis models in the VO context

(http://ov.inaoep.mx)

+



Synthesis models in the VO context

(http://ov.inaoep.mx)



Data Model --> semantics• Define what its a synthesis model (unique definition):

Input Parameters:

1. Atmosphere models (from VOTable: SEDs, magnitudes...) • Metallicity, resolution ....

2. Evolutionary tracks (from VOTable still without data model)• Metallicity, age

3. Stellar birth-rate (IMF + SFH + Number stars formed) still without UCD

Outputs:§ SED (VOTable) + model dispersion: Error model not implemented in VO§ Tables of colors....§ Chemical evolution (still without UCD....)



Data Access Layer -->Applications

• Define the parameter domain of models:

• Observational Data: COOSYS, • a simple search can be done: Name, RA, DEC

• In theoretical data the parameter space is not know a priori• TSAP (theoretical spectral access protocol) --> Theory WG 1st query: What is the paremeter space; RESULT: VOTable that can be transformed in a from.

http://localhost/script?format=metadata 2nd query: What region of the parameter space you want? VOTable with catalog of VOTables!

http://localhost/script?par1_max=...+parn_min=... 3rd query: What is the individual model you want? VOTable with specific data

Only few applications can use TSAP (VOSpec)

It is needed generalize TSAP and/or build JAVA tools for metadata access

Teoria en el VO C. Rodrigo et al. SVO meeting Abril 2006

www.laeff.esa.es/Laeff/svo/meeting0604/crodrigo.ppt



Summary (I)

Synthesis models in the VO means Atmosphere catalogs Tracks/Isochrone catalogs Synthesis model repository? Or on-the-fly

models?

TSAP developement Applications including TSAP UCD+DataModel of theoretical data



Access to models

VOSpec http://esavo.esa.int/vospec/

PEGASE server using TSAP

PGos3 server using TSAP

Grupo de ciencia de observatorios virtuales del INAOE

http://ov.inaoep.mx

PGos3 (http://ov.inaoep.mx/pgos3/)

INAOE, IA-UNAM, IAA/SVO LAEFF/SVO (Spain)

CEA applications

- AstroGrid

QuickTime™ and aTIFF (Uncompressed) decompressor










VOSpec

Web....

M. Guinazzi et al. IAU Praga 2006



PGos3 (p.i. Elena Terlevich & Miguel Cerviño)

What is PGos3? Cooperative tool

Repository of theoretical SSPs

same format (Votables)

Same tools

“democratic” choices

(sb99, pegase, sed@....)

Why? Fitting (IA, standard

chi-2 fit, grid...)

AnalisysCathedral: (P.I.: Roberto Terlevich, Aurelio López)



PGos3 current/future jobs ...

StarLight analisys... (www + pdf)

Analisys of VO data!

Colors? (spectra VOTable + Filter VOTable)

Rebbinig?...

Test for Theoretical access protocols in IVOA

“Small” applications for IVOA



Conclusions

Several servers ready

Data models can be obtained for SEDs only

There is no data model for tables with other pourposes: t-

colors, isocrhones, chemical evolution.... Data models are

science!

General access protocol needed ( Carlos Rodrigo ;)

Error treatment

Inclusion of SSP models (including probabilistic

distributions) e.j. Cerviño, Luridiana, Cerviño-Luridiana

2006, A&A 451, 475

Miguel CerviñoLAEFF 27 Nov. 2006 Modelos de síntesis, modelos de atmósferas e isocronas en el VO...

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