ScienceProblem: AGBstarCandidates PrimaryActor Astronomer ScienceGoal Identifying distant candidate AGB stars (Asymptotic Giant Branch e.g. Mira/Red Super Giant ...

See AstrophysicalVirtualObservatory. TonyLinde 18 Jan 2002

UseCase: AccessLibraryFunction PrimaryActor: Astronomer EndResult: An astronomer with appropriate permissions can access algorithms stored in the astrogrid function ...

UseCase: AccessWebService PrimaryActor: Astronomer EndResult: An astronomer with appropriate permissions can access web services as a source for a program or model ...

Virtual Observatory Acronyms Links See also Astrogrid.Glossary . Contents Astronomical on line data archives Astronomical Observatories and Future ...

ScienceProblem: ActiveStarProperMotions PrimaryActor Astronomer ScienceGoal To investigate the properties of nearby active stars e.g. dMes (red dwarves), including ...

ScienceProblem: ActiveGalaxiesUnbiasedStudy PrimaryActor Astronomer ScienceGoal To try and understand active galaxies DataSets Multi wavelength surveys and well ...

UseCase: ActiveStarID PrimaryActor: Astronomer EndResult: A list of active stars for correlation with other parameters e.g. likely to exhibit radio emission and ...

ScienceProblem: ActiveStarProperMotions PrimaryActor Astronomer ScienceGoal To investigate the properties of nearby active stars e.g. dMes (red dwarves), including ...

UseCase: ActiveStarsforProperMotion PrimaryActor: Astronomer EndResult: A list of radio stars which are close enough so that, if proper motions are measured using ...

for more on this see AgWiki TonyLinde 18 Jan 2002

Not everything happens perfectly. In this section document what takes place when things go wrong or courses of action that are subsidiary to the main FlowOfEvents ...

nop AstroPhysical Journal at http://www.journals.uchicago.edu/ApJ/ NicholasWalton 16 Apr 2002

ScienceProblem: AsteroidOutbursts PrimaryActor: Research astronomer ScienceGoal: To learn about the evolution of distant asteroids (such as centaurs) and their ...

is a £5M project aimed at building a data grid for UK astronomy, which will form the UK contribution to a global VirtualObservatory. It is also one of several Grid ...

UseCase: AstrometryBootstrap PrimaryActor: Astronomer or AstroGrid inputter EndResult: Astrometric positions for input list (selected object, catalogues or images ...

UseCase: AstrometryBootstrap PrimaryActor: Astronomer or AstroGrid inputter EndResult: Astrometric positions for input list (selected object, catalogues or images ...

The European Virtual Observatory Project is a Phase A, three year study for the design and implementation of a VirtualObservatory for European astronomy. It began ...

UseCase: AuthenticateIdentity PrimaryActor: Gatekeeper daemon at data centre (i.e. the bit of software that needs the identity to be authenticated). OtherActors ...

Assumptions that are made about the system or the environment in which it operates in order to fulfil this UseCase. TonyLinde 18 Jan 2002

ScienceProblem: BoundaryLayerStructureAndStability PrimaryActor: Solar Terrestrial Physicist ScienceGoal: Understand the structure, stability and evolution of the ...

UseCase: BrownDwarfRecognition PrimaryActor: type here EndResult: List of objects from selected list or image etc. which fit criteria for being a Brown Dwarf to ...

Brown Dwarf Rough Notes AnitaRichards 12 Jan 2004 The parts of the workflow which I think we can do now or are about to be able to do, with some questions so ...

ScienceProblem: BrownDwarfSelection PrimaryActor: Astronomer ScienceGoal: Learn about the lower end to the stellar mass function by conducting a census of all brown ...

UseCase: BulkSpectralLineMeasures PrimaryActor: Researcher EndResult: Measurement of Equivalent Widths of selected lines of bulk selected candidates OtherActors ...

ScienceProblem: CMESourceRegion PrimaryActor: Solar Scientist ScienceGoal: Easy identification of the source region of coronal mass ejections (CMEs). DataSets: ...

UseCase: CatalogueCrossMatch PrimaryActor: astronomer EndResult: sources identified as matching known objects OtherActors: PreConditions: 1 new catalogue of ...

UseCase: CatalogueQueryOrder PrimaryActor: Astronomer or AstroGrid query agent EndResult: When comparing two or more catalogues, extract data from catalogues in ...

ScienceProblem: ClassifyXraySourcePopulation PrimaryActor: Research astronomer ScienceGoal: To characterise the X ray source population. DataSets: Representative ...

UseCase s which any Science Problem of any complexity (e.g. the core queries) would need to impliment: QueryTimeEstimation ComplexQuery PerformRegistrySearch CatalogueQueryOrder ...

ScienceProblem: ComplexObjectIdentification PrimaryActor Astronomer ScienceGoal To find counterparts or associated objects with a different appearance or location ...

UseCase: ComplexQuery PrimaryActor: Astronomer EndResult: Datasets are returned that match a complex query. A complex query is currently defined by Astrogrid as ...

UseCase: ComputeNumberDensity PrimaryActor: Research astronomer ScienceGoal: To compute the number density of some species of object according to an appropriate ...

ScienceProblem: CoronalMassEjectionEffect PrimaryActor: Solar Terrestrial Physicist ScienceGoal: Gain an understanding of the effect of a Coronal Mass Ejection on ...

ScienceProblem: CoronalMassEjectionTrigger PrimaryActor: Solar Astronomer ScienceGoal: Gain an understanding of what initiates a CoronalMassEjection (CME). DataSets ...

How the ScienceProblem is currently solved by scientists like the PrimaryActor. TonyLinde 18 Jan 2002

Data Providers Meeting nop NeSC 21 March 2003 Meeting Papers and Presentations Paper Title File Name Download Comment Agenda talks 20030319 ...

UseCase: DataQuality PrimaryActor: Astronomer OtherActors: Data providers EndResult: User is presented with data quality information from telescope logs, instrument ...

Sets or subsets of data, typically managed by a DataCentre. TonyLinde 18 Jan 2002

ScienceProblem: DeepFieldSurveys PrimaryActor Astronomer ScienceGoal To establish the properties of faint extragalactic sources in the Hubble Deep Field (North ...

UseCase: DetermineAuthority PrimaryActor: Gatekeeper daemon for a data resource. OtherActors: User of the VO. EndResult: Gatekeeper knows what permissions User ...

UseCase: DetermineModel PrimaryActor: Astronomer EndResult: An astronomer runs a model provided as an astrogrid library function, a web service, or user code. ...

UseCase: DetermineProgram PrimaryActor: Astronomer EndResult: This case allows users which analysis programme to run. This programme could be found as a Astrogrid ...

This is the start page for storing documents for the VO web. We'll list a number of categories here as wiki pages and then store the documents on those pages (use ...

ScienceProblem:DynamicsofAGNandStarburstNuclei PrimaryActor Astronomer ScienceGoal To establish the dynamics and environmental conditions in the inner regions of ...

TonyLinde 15 May 2002

ScienceProblem: ElectronAccelerationInPSBL PrimaryActor: Solar Terrestrial Physicist ScienceGoal: Understand electron distributions in the inner magnetosphere/magnetosheath ...

ScienceProblem: ElectronHeatingAtCollisionlessShocks PrimaryActor: Solar Terrestrial Physicist ScienceGoal: Understand particle energisation processes at collisionless ...

To quote PhilippeKruchten's TheRationalUnifiedProcess, "a use case is a sequence of actions a system performs that yields an observable result of value to a particular ...

The Future : EURO VO Planning A successor project to the AstrophysicalVirtualObservatory is now in the proposal stage, known as the EURO VO project. The AVO was ...

ScienceProblem: EvolutionOfBias PrimaryActor: Research astronomer ScienceGoal: Determine the evolution with redshift of 'bias' (e.g.Blanton et al, 2000), the relationship ...

FIG. 2.Optical spectrum of SDSS 1044 0125 observed with Keck II/ESI. The total exposure time is 3600 s. The spectrum is smoothed to 4 Å pixel 1 and the spectral resolution ...

FIG. 1.The i z vs. z color magnitude diagram for the i dropout sample. Colors and magnitudes are plotted as asinh magnitudes measured by SDSS imaging. The symbols ...

RichardMcMahon 08 Dec 2003 Fan etal 2001 Fig2.gif:

FIG. 5.The discovery spectra of the three new z 5.8 quasars, taken with the ARC 3.5 m telescope and DIS spectrograph. The exposure time is 3600 s for each quasar ...

RichardMcMahon 05 Dec 2003 Fan etal 2003 Fig1.gif:

RichardMcMahon 05 Dec 2003 Fan etal 2003 Fig2.gif:

RichardMcMahon 08 Dec 2003 Fan etal 2003 Fig3.gif:

Spectra of the three new quasars at z 6. For SDSS J1148 5251, a spectrum taken at the Calar Alto 3.5 m is shown and binned to 1 Å pixel 1; for SDSS J1048 4637 and ...

UseCase: FindQSOsByPosition PrimaryActor: Astronomer. EndResult: List of positions of QSOs. Overplot of those positions on an image display. In the image display ...

Activities that occur as the PrimaryActor attempts to achieve the EndResult. Often portrayed as a dialogue between the actors and the system. TonyLinde 18 Jan ...

ScienceProblem: ForeshockPlasmaWaves PrimaryActor: Solar Terrestrial Physicist ScienceGoal: Understand the wave generation and propagation mechanisms in the magnetospheric ...

ScienceProblem: GalacticMaserFaradayRotation PrimaryActor Astronomer ScienceGoal To see if foreground material causes rotation of maser polarisation vectors. ...

UseCase: GalacticSpectraParallelProcessing PrimaryActor: Astronomer EndResult: Model of "average" galactic spectra OtherActors: type here PreConditions: type ...

UseCase: GalacticTemperatureParallelProcessing PrimaryActor: Astronomer EndResult: Model of average galactic temperature OtherActors: type here PreConditions ...

ScienceProblem: GalaxyClustering PrimaryActor: astronomer ScienceGoal: Aim to address the evolution of galaxy populations in clusters. Comparison can then be made ...

ScienceProblem: GalaxyMorphologyProbingStarFormation PrimaryActor: astronomer ScienceGoal: compare morphological data of galaxies at different rest frame wavelengths ...

UseCase: GalaxyMorphologyRecognition PrimaryActor: type here EndResult: Classification of galaxies according to the probability that they are (non exclusively ...

ScienceProblem: GalaxySpectralAnalysis PrimaryActor: Research astronomer ScienceGoal: To learn about the properties (age, metallicity, star formation histories) ...

ScienceProblem: GammaRayBursterLocalisation PrimaryActor: Astronomer ScienceGoal: Rapid localisation and identification of Gamma Ray Burster candidates. DataSets ...

UseCase: GetFluxAtSmoothedResolution PrimaryActor: type here EndResult: Similar to GetFluxOrUpperLimitAtPosition but OtherActors: type here PreConditions ...

UseCase: GetFluxOrUpperLimitAtPosition PrimaryActor: Research astronomer (or software agent running this UseCase as part of a higher level task) EndResult: Astronomer ...

ScienceProblem: GetGalaxyRedshift PrimaryActor: Research astronomer ScienceGoal: To obtain the redshift either a spectroscopic measurement or a photometric estimate ...

UseCase: GetLiteratureReference PrimaryActor: Research astronomer EndResult: Astronomer gets list of and hypertext links to all references in a specified subset ...

UseCase: GetReducedSpectra PrimaryActor: Astronomer. EndResult: Astronomer gets a small collection of spectra to work with on his/her own computer. OtherActors ...

Check out GridPP TonyLinde 19 Mar 2002

Grid Service Method List This is a list of all suggested methods that grid services may implement. If you have just created one, please add it to the list below. If ...

Grid Service Methods This is the easiest starting point for new GridServiceMethods. First, enter the name of the GridServiceMethod in the text box below and click ...

ScienceProblem: HaloWhiteDwarfs PrimaryActor: Research astronomer ScienceGoal: Determine the contribution of stellar remnants to the 'missing mass' on Galactic scales ...

UseCase: HardXRaySourceIdentification PrimaryActor: Astronomer EndResult: List of all hard x ray sources in an image OtherActors: type here PreConditions: type ...

ScienceProblem: HiZQuasars PrimaryActor: Astronomer ScienceGoal: Discovery of very high redshift quasars in the range z 5 to 10. The most distant quasar currently ...

UseCase: InstrumentFootprint PrimaryActor: Astronomer EndResult: Return list of data matching search criteria set by an instrument footprint OtherActors: type ...

ScienceProblem: IntegratedSachsWolfeEffect PrimaryActor: Research astronomer ScienceGoal: To measure the Integrated Sachs Wolfe Effect, to determine the late time ...

UseCase: InteractiveImageInformation PrimaryActor: Astronomer EndResult: A list information (name, location, magnitude, etc) about any object in an image OtherActors ...

It seems obvious that global VO efforts have to merge in the long term. In the short term, this means AstroGrid, AVO, and US NVO collaborating at grass roots level ...

General idea. It seems obvious that global VO efforts have to merge in the long term. In the long term, we hope that many VO and VO like projects around the world ...

Iteration Breakdown Details of science workflows for the science cases on a per iteration basis NicholasWalton 09 Nov 2003

Pointers to articles, books or web sites that refer to this type of problem or case. TonyLinde 20 Jan 2002

UseCase: LineStrengthMeasurements PrimaryActor: Astronomer EndResult: Reformatted spectra to allow standard line indices to be measured OtherActors: type here ...

UseCase: LocateOutliers PrimaryActor: astronomer EndResult: sample of outliers from standard distributions OtherActors: type here PreConditions: type here ...

ScienceProblem: LowSurfaceBrightnessGalaxyDiscovery PrimaryActor: astronomer ScienceGoal: locate large scale structures (low surface brightness galaxies (LSB's) ...

ScienceProblem: MagneticStormOnset PrimaryActor: A solar terrestrial physicist studying the morphology of the tail of the Earth's magnetosphere during the onset of ...

ScienceProblem: MultiVariateGalaxyProperties PrimaryActor: Research astronomer ScienceGoal: To provide a means of testing/optimising semi analytical galaxy formation ...

ScienceProblem: MultiWavelengthAssociations PrimaryActor: Research astronomer ScienceGoal: To identify observations of a set of astronomical objects in catalogues ...

my Space : a user space for the publication of intermediate and end data products based on queries and manipulations within the AstroGrid realm. NicholasWalton ...

UseCase: MySpacePublishDerivedData PrimaryActor: Astronomer EndResult: Upload of derived data (from a federation of AstroGrid data sets, e.g. FindQSOsByPosition ...

UseCase: MySpaceStoreResults PrimaryActor: Astronomer EndResult: Whenever astrogrid returns a result set, the user has the option to store it to MySpace, cache, ...

See NationalVirtualObservatory TonyLinde 18 Jan 2002

The US Virtual Observatory has the following as its goals: The NVO would be a "Rosetta Stone": linking the archival data sets of space and ground based observatories ...

UseCase: NegotiateAccessToJob PrimaryActor: User EndResult: An astrogrid user is either granted or denied access to a grid job; this may be running software, accessing ...

UseCase: NegotiateAccessToResource PrimaryActor: Gatekeeper daemon for a data resource. OtherActors: User of the VO. EndResult: Gatekeeper has a yes/no answer to ...

ScienceProblem: NonCosmologicalRedshifts PrimaryActor: astronomer ScienceGoal: Burbidge and co workers, have argued (see e.g. Burbidge 2001) that some QSO's are ...

UseCase: ObservingProposalCheckForData PrimaryActor: Research astronomer, as proposer of observation EndResult: Proposer receives yes/no answer to question as to ...

ScienceProblem: OpticalNearIRGalaxyClusterSelection PrimaryActor: Research astronomer ScienceGoal: To create a catalogue of galaxy clusters using optical and near ...

Other actors in the UseCase who may or may not derive value from it. TonyLinde 18 Jan 2002

UseCase: PIRequestsSettingOfPermissions PrimaryActor: Research astronomer, in role of Principal Investigator (PI) of a given set of observations undertaken on behalf ...

UseCase: PerformCatalogueSearch PrimaryActor: type here EndResult: type here OtherActors: type here PreConditions: type here FlowOfEvents: type here ...

UseCase: PerformLiteratureSearch PrimaryActor: type here EndResult: type here OtherActors: type here PreConditions: type here FlowOfEvents: type here ...

UseCase: PerformRegistrySearch PrimaryActor: type here EndResult: type here OtherActors: type here PreConditions: type here FlowOfEvents: type here ...

Philippe Kruichten: lead architect of the RationalUnifiedProcess product and author of TheRationalUnifiedProcess. TonyLinde 18 Jan 2002

UseCase: PhotometrySearch PrimaryActor: Astronomer EndResult: Synthesised colour data for a set of objects OtherActors: type here PreConditions: type here ...

Constraints on the state of the system after the use case has successfully completed. TonyLinde 18 Jan 2002

UseCase: PosteRestante PrimaryActor: Astronomer EndResult: Results of a user initiated job are delivered to an account of their chosing upon completion of the job ...

Constraints on the system before the use case can be triggered. TonyLinde 18 Jan 2002

ScienceProblem: PreDiscoveryMiningSN PrimaryActor: Astronomer ScienceGoal: Diret detection of a massive star in an external galaxy which has exploded as a supernova ...

This is the person or type of person who will benefit from solving the ScienceProblem or who will initiate and interact with the UseCase. TonyLinde 18 Jan 2002 ...

A fully detailed description of the problem faced. TonyLinde 18 Jan 2002

UseCase: PublicDataRelease PrimaryActor: Research astronomer EndResult: Researcher learns when a dataset will enter the public domain, and asks to be emailed when ...

ScienceProblem: QuasarHostGalaxiesBlackHoleMasses PrimaryActor: Research astronomer ScienceGoal: To understand the place of the quasar phenomenon in galaxy evolution ...

UseCase: QueryTimeEstimation PrimaryActor: Research astronomer EndResult: User obtains estimate of how long a proposed query will take to run. This can be used to ...

UseCase: RadioSatelliteSolarDisturbance PrimaryActor: Astronomer EndResult: Astronomer can correlate flickers or other disturbances on radio satellites with solar ...

RichardMcMahon 06 Feb 2002

UseCase: RandomSubset PrimaryActor: Research astronomer (or software agent running higher level task). EndResult: Astronomer (or software tool) obtains desired attributes ...

Check out the Rational web site. TonyLinde 18 Jan 2002

UseCase: RedshiftDetermination PrimaryActor: type here EndResult: Redshift and uncertainty OtherActors: type here PreConditions: type here FlowOfEvents ...

UseCase: RedshiftPhotometricDetermination PrimaryActor: type here EndResult: type here OtherActors: type here PreConditions: type here FlowOfEvents: ...

UseCase: RedshiftSpectralDetermination PrimaryActor: type here EndResult: type here OtherActors: type here PreConditions: type here FlowOfEvents: If redshifts ...

UseCase: RegisterAliasForSetOfUsers PrimaryActor: Representative of a research consortium, institution or some other group of VO users. EndResult: A unique alias ...

The resource catalogue lists what's available on the VO and how to get at it. It is used by a UserAgent to select the archives for a particular query. The resource ...

UseCase: ResultMerge PrimaryActor: Compute Resource Estimator EndResult: If an astrogrid result set is comprised of datasets from different locations, the datasets ...

ScienceProblem: STPSolarEventCoincidence PrimaryActor: Astronomer ScienceGoal: Identify models that use solar data to predict STP events with the greatest accuracy ...

UseCase: STPSolarParallelProcessing PrimaryActor: Astronomer EndResult: Model of how orbiting satellites behave when solar winds cause magnetic atmosphere foreshock ...

There has been much debate about these

The type of science problem (see ScienceProblemList) which it is envisaged that access to a VirtualObservatory will help to solve or, at least, make easier to solve ...

This is a list of all ScienceProblems that have been created. If you have just created one, please add it to the list below. Note: if you are trying to find the list ...

ScienceProblem: ScienceProblemTemplate PrimaryActor: type here ScienceGoal: type here DataSets: type here ProblemDescription: type here CurrentSolution ...

This is the easiest starting point for new ScienceProblems. First, enter the name of the ScienceProblem in the text box below and click the Create button. This ...

UseCase: SelectAstrometricStandards PrimaryActor: Astronomer: either researcher or data curator. EndResult: List of objects from one selected catalogue with good ...

UseCase: SelectCatalogue PrimaryActor: Astronomer EndResult: Astronomer has indicated to Astrogrid that selected catalogue should be included in the next grid search ...

UseCase: SelectDataset PrimaryActor: Astronomer EndResult: Astronomer has indicated to astrogrid that selected dataset should be included in the next astrogrid function ...

UseCase: SelectionOfTrustedCatalogues PrimaryActor: Astronomer EndResult: Returned list of data sources selected on 'trust' criteria OtherActors: Astronomical community ...

UseCase: SetImageWCS PrimaryActor: Astronomer, Data Flow Scientist EndResult: Association of correct WCS to an image file OtherActors: type here PreConditions ...

UseCase: SetPermissionsOnResource PrimaryActor: Archivist EndResult: The Gatekeeper for the resource knows which parties and Groups have permission to use the resource ...

RichardMcMahon 08 Dec 2003

UseCase: SimpleQuery PrimaryActor: type here EndResult: type here OtherActors: type here PreConditions: type here FlowOfEvents: type here PostCondition ...

Let's start a list of other VO projects with contacts, web addresses etc. This was initially set up by TonyLinde as a list of people to email about the announcement ...

ScienceProblem: SolarAbundances PrimaryActor: Solar physicist, atomic physicist ScienceGoal: Determine the abundance of selected line species during flare and other ...

ScienceProblem: SolarCoronalWaveHeating PrimaryActor: Solar Physicist ScienceGoal: To understand the role and viability of wave based heating in the solar corona ...

ScienceProblem: SolarCoronalWaves PrimaryActor: Astronomer ScienceGoal: There has been much debate recently about whether large scale coronal waves and chromospheric ...

ScienceProblem: SolarFlareOnset Solar Flare Onset PrimaryActor: Solar Physicist ScienceGoal: To determine the conditions that lead to the onset of a solar flare ...

UseCase: SolarRegionTracking PrimaryActor: Astronomer EndResult: List of all pas, present, and future solar region numbers associated with a specific solar region ...

UseCase: SolarStellarDifferentialEmission PrimaryActor: Astronomer EndResult: The astronomer receives a differential emission plot of the entire sun, solar regions ...

UseCase: SolarStellarElementalAbundance PrimaryActor: Astronomer EndResult: List of units per element with respect to hydrogen OtherActors: type here PreConditions ...

ScienceProblem: SolarStellarFlareComparison PrimaryActor: Astronomer ScienceGoal: Compare the atttributes of stellar and solar flares in order to determine the mechanism ...

ScienceProblem: SolarSystemObjects PrimaryActor: astronomer ScienceGoal: enable the location of objects located in the solar system from survey data DataSets: Optical ...

ScienceProblem: SolarVicinityStars PrimaryActor: Astronomer ScienceGoal: Locate stellar objects in the nearby ( DataSets: Large area sky surveys, e.g. SDSS, DPOSS ...

ScienceProblem: SpectralEnergyDistributions PrimaryActor: Research astronomer ScienceGoal: To combine all existing photometric (and spectroscopic?) data on a given ...

ScienceProblem: StarFormingRegionStructure PrimaryActor Astronomer ScienceGoal To find and relate probable signposts of star formation with respect to known or ...

UseCase: StarRecognition PrimaryActor: type here EndResult: List of objects which are stars according to defined criteria to within a certain probability. OtherActors ...

UseCase: StellarFlareLightCurves PrimaryActor: Astronomer EndResult: Observation logs, quicklook spectra / images, table data, publication lists, and light curves ...

UseCase: StellarProperMotion PrimaryActor: Astronomer EndResult: A list of stars selected according to criteria including a measurable or known proper motion. OtherActors ...

Figure 1 A B J, R colour magnitude diagram for a typical high latitude UKST field used in the APM survey. Every detected B J, R matched pair of objects classified ...

ScienceProblem: SupernovaGalaxyEnvironment PrimaryActor: Astronomer, automated search engine ScienceGoal: Determine the galaxy environment of fields used in the ...

UseCase: SyntheticSpectra PrimaryActor: Astronomer EndResult: Spectrum of desired object(s) is (are) returned covering the broadest wavelength range for which data ...

A book on the RationalUnifiedProcess by PhilippeKruchten. Check prices on BookBrain TonyLinde 18 Jan 2002

UseCase: TransferDataToResource PrimaryActor: type here EndResult: type here OtherActors: type here PreConditions: type here FlowOfEvents: type here ...

UseCase: TransferDatasetToResource PrimaryActor: type here EndResult: type here OtherActors: type here PreConditions: type here FlowOfEvents: type here ...

UK VO Meetings Data Providers meeting, 21 Mar 2003 called to discuss the way forward for Data Providers in responding to the PPARC SR2002 eScience Call. NicholasWalton ...

ScienceProblem: UnusualStarsInGalacticPlane PrimaryActor: Research astronomer ScienceGoal: To discover more examples of unusual types of star in the Galactic Plane ...

UseCase: UploadUserCode PrimaryActor: Astronomer EndResult: An astrogrid user with the appropriate permissions can upload and run user code on grid compute resources ...

Any interaction with the VirtualObservatory: logging in, running a job, receiving results etc. A use case should define the PrimaryActor, the dialogue she/he will ...

This is a list of all UseCases that have been created. If you have just created one, please add it to the list below. We have defined a list of generic UseCaseTypes ...

UseCase: UseCaseTemplate PrimaryActor: type here EndResult: type here OtherActors: type here PreConditions: type here FlowOfEvents: type here PostCondition ...

List of generic UseCaseTypes. Time / position / 'time dependent position' searches. Flux / spectral variability Cross correlate catalogues by ...

This is the easiest starting point for new UseCases. First, enter the name of the UseCase in the text box below and click the Create button. This will take you ...

The User Agent (UA) is the client software by which a user gets at VO functions. Web browsers are UAs. It's a moot point as to whether a UA suitable for the VO use ...

UseCase: UserLogsOn PrimaryActor: Astronomer EndResult: An astronomer logs on to Astrogrid with appropriate permissions. OtherActors: type here PreConditions ...

How a VirtualObservatory will make solving the ScienceProblem possible or, at least, easier than the CurrentSolution. TonyLinde 18 Jan 2002

From the AVO site: A virtual observatory (VO) is a collection of interoperating data archives and software tools which utilize the internet to form a scientific ...

UseCase: VisualiseMultiDimensionalResults PrimaryActor: Research astronomer EndResult: Reseacher can peform visualisation and interactive manipulation of a multi ...

Welcome to the home of AgWiki.VO. This is a web based collaboration area for ... VirtualObservatory topics in general Virtula Observatory developments and ...

See also the faster WebTopicList

Web VO Web Home Changes Topic list Search TWiki Webs

nop is a subscription service to be automatically notified by email when topics change in the TWiki.VO web. This is a convenient service, so you do not have to come ...

TWiki.VO Web Preferences The following settings are web preferences of the TWiki.VO web. These preferences overwrite the site level preferences in ., and can ...

Statistics for TWiki.VO Web Month: Topic views: Topic saves: File uploads: Most popular topic views: Top contributors for topic save and ...

See also the verbose WebIndex.

ScienceProblem: XrayGalaxyClusterSurvey PrimaryActor: Research astronomer ScienceGoal: To produce a large redshift survey of galaxy clusters, selected using serendipitous ...