What’s Inside The Small Box? The Virtual Solar Observatory
Goals Current Status The “Small Box” –Data model –Registry & data services schema –Query construction & results engines –API Outside the box –Data delivery – shopping cart –Adopter’s kit –Compute services –Interface
Goals Make life easier for the solar needle hunters Enable large-scale correlative studies – discover new relationships
1. Local helioseismology at a coronal hole boundary 3. Location in an EUV image 4. Solar wind velocity 5. Correlation with stock market (!?) 2. Subsurface flow map
Current data sources NASA/GSFC SDAC –SOHO (x. MDI) SHA –SOHO/MDI –GONG –TON –MOTH –Mt. Wilson NSO –KPVT –SOLIS –FTS HAO/MLSO OVRO MSU –Yohkoh
Status Version Beta 0.7 available About 1000 uses as of June 2004
The Original Small Box
Data Model Deliberately simple Only 17 elements Push complexity into query translators Use “nicknames” for common shorthand
Data model elements Time –Observation_Time –Duration –Time_Step Wavelength –Wave_Type –Wave_Bands –Wave_Minimum –Wave_Maximum –Wave_Step Data source –Observatory –Instrument Helioseismology –Degree_Minimum –Degree_Maximum –Degree_Step Physical_Observable Space –Observation_Center_ West –Observation_Center_ North –Bounding_Radius
Some Nicknames Images –White-light –Coronagraph –H-alpha –Ca K –He –Na D –Soft X-ray –Hard X-ray –EUV –UV –10.7 cm –Continuum –Line-Depth Magnetograms –Full-disk –LOS –Vector Dopplergrams –Full-disk –Na D –Ni 6768 –K xxxx Synoptic maps –Magnetic –Doppler –Intensity
Registry & Data Services Schema In XML VSO Registry describes data providers and their holdings at high level Data services schema fully detail contents of the local archive
Query Construction & Results Engines In Perl Driven from web interface: –Creates new web table with further selection capability Or driven via API: –Returns URL of data locations
Now includes HAO/MLSO as well
The API Three paths currently available: –Perl with SOAP:Lite –Java using Axis –C or C++ using gSOAP Plus a WSDL document describing the API
Outside the box Shopping Cart Adopter’s kit Compute services Advanced interface
Data Delivery Currently done with existing data provider systems Shopping Cart will unify data delivery See poster by Suárez-Solá
Adopter’s Kit Designed for easy addition of archives Lightweight Uses Perl Requires data service schema
Compute services Will be future development path Integrate with CoSEC, EGSO, etc. Needed to fully realize the potential of VxOs
Interface Users want to query data via graphics –Calendars, clocks and movies for time –Drawing tools on images for space –Drawing tools on line plots for wavelength and time No typing! –Pull-down menus –Check boxes, radio buttons, etc.
BB Hα Next generation VSO interface mock-up? Select Date
The people Rick Bogart Alisdair Davey George Dimitoglou Joe Gurman Frank Hill Joe Hourclé Piet Martens Igor Suárez-Solá Karen Tian Steve Wampler Keiji Yoshimura