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361. ADASS 2003 Conference Proceedings
Next: Extending Sherpa Data Analysis with S-Lang . ... The underlying principle of DMC is to have a service tool through which a pool of applications can store and retrieve their data products from a number of geographically distributed data repositories. ... The DMC is a Digital Library that can be mounted on the top of a Data Grid infrastructure [Pasian 2004, Smareglia 2004] and provides services for manipulating, presenting, discovering, browsing and displaying digital objects. ...
[ Сохраненная копия ]  Ссылки http://www.adass.org/adass/proceedings/adass03/P4-9/ -- 15.1 Кб -- 14.08.2004
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362. ADASS 2003 Conference Proceedings
... 314 Astronomical Data Analysis Software and Systems XIII, eds. F. Ochsenbein, M. Allen, & D. Egret (San Francisco: ASP), 476 . ... The NOAO Mosaic Pipeline is a fully distributed and parallel system able to efficiently process and reduce mosaic imaging data in near real time. ... The NOAO Mosaic Pipeline System is composed of a variable number of processing nodes organized in a network. Data can enter the processing network at any node, thus improving the robustness of the whole architecture. ...
[ Сохраненная копия ]  Ссылки http://www.adass.org/adass/proceedings/adass03/P4-30/ -- 10.6 Кб -- 14.08.2004
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363. ADASS 2003 Conference Proceedings
... We describe one detailed base level model, a component model for Quantity, which is a generalisation of previous informal proposals. ... In Figure 1 we propose a model for this area. The main difference between this and other proposals (see http://www.ivoa.net/twiki/bin/view/IVOA/IVOADMQuantityWP for IVOA Quantity data modeling resources ) is that we believe that the core concept is the measurement , which we define as the act of assigning a value plus error to a property, not the quantity itself. ...
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364. ADASS 2003 Conference Proceedings
... McMullin, J. P., Golap, K., & Myers, S. T. 2003, in ASP Conf. ... 314 Astronomical Data Analysis Software and Systems XIII, eds. F. Ochsenbein, M. Allen, & D. Egret (San Francisco: ASP), 468 . ... The AIPS++ (Astronomical Information Processing System) Project has developed a codebase of libraries, tookits, and applications for the analysis of radio astronomical data. ... The existing framework of AIPS++ is built upon proprietary technology (e.g., Glish) and as such represents a fairly closed system...
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365. ADASS 2003 Conference Proceedings
... 314 Astronomical Data Analysis Software and Systems XIII, eds. F. Ochsenbein, M. Allen, & D. Egret (San Francisco: ASP), 464 . ... We just realized functions of reception, pre-processing, archiving and analysis on SA data making use of Object Oriented and SQL open source software instruments. ... Table 1: SA data operation table . ... 50 per day . ... 1 per month . ... Brun, R. & Rademakers, F. 1997 ROOT - An Object Oriented Data Analysis Framework, Proceedings AIHENP'96 Workshop, Lausanne, Sep. ...
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366. ADASS 2003 Conference Proceedings
... I describe the design of a simple IRAF -based reduction and analysis pipeline, developed for the BFOSC instrument on the 1.52m Cassini Telescope at Loiano, run by the Osservatorio Astronomico di Bologna. ... However, the current and future development of the pipeline is also being driven by our research programmes involving BFOSC data. ... Existing keywords OBJECT & IMAGETYP determine whether each frame is a bias, dark frame, flatfield, HeAr lamp spectrum, or scientific target. ...
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367. ADASS 2003 Conference Proceedings
... Previous: The HERSCHEL/PACS Common Software System as Data Reduction System . ... The basic data reduction routines are coded in ANSI C. The high level scripting language Python is used to connect the C-routines allowing fast prototyping. Several Python scripts are written to produce the needed calibration data and to generate the final result, a wavelength calibrated data cube with the instrumental signatures removed. ... Figure 2: Mosaicked collapsed data cube of the galactic center . ...
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368. ADASS 2003 Conference Proceedings
Next: Data Processing at the INTEGRAL Science Data Centre . ... The science operations are very demanding. ... The INTEGRAL Science Data Center receives the telemetry, broadcasts gamma-ray burst alerts in real-time, monitors the status of the scientific instruments, searches for new and transient sources within few hours of the observation, performs a standard analysis of the data, archives 2 TB of compressed data per year and distributes them to the scientific community with analysis software. ...
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369. ADASS 2003 Conference Proceedings
... Pety, J., Gueth, F., Guilloteau, S., Lucas, R., Teuben, P. J., & Wright, M. C. H. 2003, in ASP Conf. ... J. Pety 1 . ... We describe here the first step we took to interoperate GILDAS and MIRIAD , two current state-of-the-art data reduction packages of millimeter radio astronomy. ... Bottom right: GILDAS / GILDAS MIRIAD . ... The data is calibrated inside GILDAS , imaged and deconvolved inside MIRIAD and finally visualized back inside GILDAS , both packages being called from the same python process ...
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370. ADASS 2003 Conference Proceedings
... Previous: Extending Sherpa Data Analysis with S-Lang . ... The integration of S-Lang into the Chandra Interactive Analysis of Observations (CIAO) infrastructure has transformed the capabilities of CIAO. There are several ways to use S-Lang. One is to write a S-Lang function which can be called from C/C++, CIAO applications, or any S-Lang prompt. ... S-Lang is a stack based language. ... S. Doe, M. Noble, and R. Smith 2000, Interactive Analysis and Scripting in CIAO 2.0, ADASS X, P2-41 . ...
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371. ADASS 2003 Conference Proceedings
... Thus, it is now possible for users to write their own S-Lang scripts that load data into Sherpa , perform fits, and then copy the fit results out to S-Lang variables for further analysis in their scripts. ... Thus, we have added S-Lang functions that provide interfaces to Sherpa data structures. ... These scripts copy the appropriate data, errors and model values from Sherpa and send them to ChIPS; the scripts then call various S-Lang functions which are equivalent to ChIPS plotting commands. ...
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372. ADASS 2003 Conference Proceedings
... Individual search results are fed into a catalogue cross-matcher developed by GAVO. ... The German Astrophysical Virtual Observatory (GAVO) is setting up an infrastructure that will allow (1) exercising the existing simple cone search (SCS) services; (2) searching for exotic objects like isolated neutron stars, brown and white dwarfs; and (3) constructing a multi-band spectral energy distribution (SED) from various catalogues, useful e.g. for source identification and classification purposes. ...
[ Сохраненная копия ]  Ссылки http://www.adass.org/adass/proceedings/adass03/P3-7/ -- 15.4 Кб -- 13.08.2004
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373. ADASS 2003 Conference Proceedings
... An important element of the VO is a data model that can unambiguously represent the relationships between data values and physical properties. ... The Mapping component provides the translation from pixel elements to volumes in the phase space. ... This logical organization is framed by the Index Set , which specifies the indexes or labels that identify the individual data cells. ... This object uses a different Index Set and correspondingly different mappings to access the same data. ...
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374. ADASS 2003 Conference Proceedings
Next: Designing a Data Model for the Virtual Observatory . ... These registries function as a sort of yellow-pages, providing descriptive information (metadata) about the resources in order to locate information and services in response to user queries. ... A registry is a service which aggregates and serves resource metadata. ... Further information concerning the encoding of such metadata and their incorporation into resource registries is describe by Plante et al. (2004) and Greene et al. ...
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375. ADASS 2003 Conference Proceedings
... We present requirements for a standardized 1-dimensional spectral data model for use in the Virtual Observatory. ... Our model separates metadata needed by applications using the idealized, generalized spectrum (pixel values, coordinates, errors, units, resolution) from metadata describing the idealized observation (sky region, observation date) and from metadata which are needed by specialized applications which deal with particular observational strategies (e.g. spectral extraction details). ...
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376. ADASS 2003 Conference Proceedings
Next: Spectral Data Models for the Virtual Observatory . ... Table of Contents - Subject Index - Author Index - Search - PS reprint - PDF reprint . ... 314 Astronomical Data Analysis Software and Systems XIII, eds. F. Ochsenbein, M. Allen, & D. Egret (San Francisco: ASP), 265 . ... Archive search: The query to the system is made by means of an HTML form (Figure 1 ) allowing different types of search: by object, list of objects, object type as given in SIMBAD, coordinates, date and mission. ... 2003). ...
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377. ADASS 2003 Conference Proceedings
... The Astrogrid registry stores metadata for every resource available to the Astrogrid virtual observatory. ... Each registry entry describes a resource in terms of identity, curation, content, and service access metadata. ... The Astrogrid registry stores metadata about astronomical data, storage resources, and data processing services for the Astrogrid project, a PPARC funded virtual observatory (VO). ... Users query the registry through the browser web service. ... 2003). ...
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378. ADASS 2003 Conference Proceedings
... MySpace is a component of AstroGrid, the Virtual Observatory system being developed in the UK. ... Accessing astronomical archives basically consists of performing database searches to yield files of results. ... In addition to storing a user's results, MySpace is used by various components of the AstroGrid system as a convenient mechanism for storing temporary files. ... embodies the intelligence of the MySpace system and is invoked by external components to access or manipulate files in MySpace. ...
[ Сохраненная копия ]  Ссылки http://www.adass.org/adass/proceedings/adass03/P3-21/ -- 14.0 Кб -- 13.08.2004
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379. ADASS 2003 Conference Proceedings
Next: MMDSL: a Multi-Mission Data Server at LAEFF . ... Laboratoire des Sciences de l'Image, de l'Informatique et de la T?l?detection, France . ... We present an example implementation of a data tree in the Astrophysical Virtual Observatory prototype tool. ... Here we provide a very brief outline of the image metadata description that forms the basis of this data access scheme, and show how the data tree is used in the AVO prototype to enable ``smart browsing'' and selection of data. ...
[ Сохраненная копия ]  Ссылки http://www.adass.org/adass/proceedings/adass03/P3-2/ -- 11.6 Кб -- 13.08.2004
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380. ADASS 2003 Conference Proceedings
... Thomas, B. & Shaya, E. 2003, in ASP Conf. ... Brian Thomas and Edward Shaya 1 . ... We propose the beginnings of a data model for the Virtual Observatory (VO) built up from simple ``quantity'' objects. ... Recently Plante (2003) has argued for a quantity-based data model, where a quantity is used to model all of the data interactions. ... In our model, we consider that all datum in V for a given Q are "homogeneous"meaning that every datum of a given Q has the same units and data format. ... Shaya 1 ...
[ Сохраненная копия ]  Ссылки http://www.adass.org/adass/proceedings/adass03/P3-19/ -- 14.7 Кб -- 13.08.2004
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