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381. ADASS 2003 Conference Proceedings
... We describe a Data Inventory Service (DIS) that uses Virtual Observatory protocols to discover, organize and present astronomers with a rapid precis of what is known about a given region of the sky. The DIS queries a dynamic registry of VO resources to discover potential sources of information, queries them on behalf of the user and then saves and organizes the results for display. ... Since the DIS caches results from services, users can quickly browse catalog and image results. ...
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Ссылки http://www.adass.org/adass/proceedings/adass03/P3-18/ -- 11.0 Кб -- 13.08.2004
[ Сохраненная копия ] Ссылки http://www.adass.org/adass/proceedings/adass03/P3-18/P3-18.html -- 11.0 Кб -- 13.08.2004
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382. ADASS 2003 Conference Proceedings
... National Solar Observatory Neal Hurlburt . ... The need to develop new ways of accessing solar observations, coupled with rapidly increasing volumes of data and the desire to share data with other communities, has led to several projects intended to create virtual solar observatories. We outline the three main initiatives, EGSO, VSO and CoSEC, and describe how the the combined effort will result in a facility that will better match the needs of the community. ... National Solar Observatory . ...
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Ссылки http://www.adass.org/adass/proceedings/adass03/P3-15/ -- 14.2 Кб -- 13.08.2004
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383. ADASS 2003 Conference Proceedings
... 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), 304 . ... The Astrophysical Virtual Observatory (AVO) prototype is a suite of tools that serves as a testbed for scientific and technical use cases. ... The AVO is a research and demonstration programme jointly funded by the European Commission and six European organizations. ...
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Ссылки http://www.adass.org/adass/proceedings/adass03/P3-13/ -- 9.6 Кб -- 13.08.2004
[ Сохраненная копия ] Ссылки http://www.adass.org/adass/proceedings/adass03/P3-13/P3-13.html -- 9.6 Кб -- 13.08.2004
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384. ADASS 2003 Conference Proceedings
Next: Organization of Data Sets in Virtual Observatories . ... Pasian, F. & Benacchio, L. 2003, in ASP Conf. ... The Italian Data Grid for Astrophysical Research (DRACO: Datagrid for italian Research in Astrophysics and Coordination with the virtual Observatory) is a concept having the aim of providing the scientific community with a distributed multi-functional environment allowing the use of specialized (computing, storage, observational) Grid nodes. ...
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Ссылки http://www.adass.org/adass/proceedings/adass03/P3-1/ -- 14.0 Кб -- 13.08.2004
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385. ADASS 2003 Conference Proceedings
... Each installation operates local hardware and a locally configured software release. ... The archive serves both as a storage area for existing data and as an active data store interacting with daily Chandra X-ray Center (CXC) operations. ... Data are entered in the archive at a primary installation and are replicated to secondary installations. ... All data are stored at their primary installation where they are ingested in the archive by data production operations. ... Patz et al 2003, in ASP Conf...
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Ссылки http://www.adass.org/adass/proceedings/adass03/P2-8/ -- 14.0 Кб -- 13.08.2004
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386. ADASS 2003 Conference Proceedings
... Up: Image Restoration . ... Recent large catalogs have revolutionized our ability to do astrometry with CCD images. ... After matching image point sources to objects in each of the catalogs and fitting world coordinate systems to them using the IMWCS program, we find mean residuals between observed and catalog star positions of between 0 09 and 0 25 for the latest catalogs. ... Catalog . ... Figure 1 shows the distribution of mean Catalog-Image positions in arcseconds. ... Image-Catalog (arcsec) . ...
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Ссылки http://www.adass.org/adass/proceedings/adass03/P2-7/ -- 22.2 Кб -- 13.08.2004
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387. ADASS 2003 Conference Proceedings
... In this poster we describe the terabyte-scale SuperCOSMOS Science Archive (SSA), which is a recasting of the SSS object catalogue system from flat files into an RDBMS, with an enhanced user interface. We describe some aspects of the hardware and schema design of the SSA, which aims to produce a high performance, VO-compatible database, suitable for data mining by `power users', while maintaining the ease of use praised in the old SSS system. ... 2003, MNRAS, in press (astro-ph/0309565) . ...
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Ссылки http://www.adass.org/adass/proceedings/adass03/P2-6/ -- 14.5 Кб -- 13.08.2004
[ Сохраненная копия ] Ссылки http://www.adass.org/adass/proceedings/adass03/P2-6/P2-6.html -- 14.5 Кб -- 13.08.2004
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388. ADASS 2003 Conference Proceedings
... We present a project of an Information system on binary stars (ISBS). ... A first version of ISBS will contain astronomical data catalogues, related to observations of eclipsing binary stars. ... So, for statistical investigations it would be advisable to estimate fundamental parameters (such as mass and radius) for eclipsing binaries with unknown spectroscopic elements. ... Svechnikov M. A. 1986, The catalogue of orbital elements, masses and luminosities of close binary stars, Irkutsk, Irkutsk Univ...
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Ссылки http://www.adass.org/adass/proceedings/adass03/P2-36/ -- 15.0 Кб -- 13.08.2004
[ Сохраненная копия ] Ссылки http://www.adass.org/adass/proceedings/adass03/P2-36/P2-36.html -- 15.0 Кб -- 13.08.2004
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389. ADASS 2003 Conference Proceedings
Next: Information System on Binary Stars . ... Holl, A. 2003, in ASP Conf. ... 314 Astronomical Data Analysis Software and Systems XIII, eds. F. Ochsenbein, M. Allen, & D. Egret (San Francisco: ASP), 229 . ... We are working on converting the text, tables and figures of the papers published into a database, and, at the same time, making them accessible and addressable. IBVS Data Service will provide information on variable stars -- like finding charts, light curves -- and will be VO compatible. ...
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Ссылки http://www.adass.org/adass/proceedings/adass03/P2-35/ -- 12.7 Кб -- 13.08.2004
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390. ADASS 2003 Conference Proceedings
... Previous: Access to Atomic and Molecular Data/Databases in the VO . ... We present the general characteristics of a database for binary and multiple stars from all observational categories, specifically designed to address the awkward topics of the identification of stellar components. BDB is based on a modular architecture to allow the easy integration of data from various sources. We describe in particular the set up of connections with other double star databases through the Internet. ...
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Ссылки http://www.adass.org/adass/proceedings/adass03/P2-31/ -- 10.9 Кб -- 13.08.2004
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391. ADASS 2003 Conference Proceedings
... These services allow to directly access IDA and XSA metadata and data products without going through the archives usual user interfaces. These services have been adapted to existing VO standard, in particular the SIAP (Simple Image Access Protocol). ... With the existence of our AIO system to provide inter-operability to our archives and the advent of the SIAP, it appeared natural to us that the AIO system should be adapted to be able to support SIAP standard. ... Figure 2: VO AIO Architecture . ...
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Ссылки http://www.adass.org/adass/proceedings/adass03/P2-3/ -- 13.3 Кб -- 13.08.2004
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392. ADASS 2003 Conference Proceedings
... Page, C. G. 2003, in ASP Conf. ... In database terms this requires a spatial join between tables. Two algorithms for spatial joins (pixel-code and R-tree join) were compared, and the performance of three DBMS (DB2, MySQL, and PostgreSQL) was evaluated using large source catalogs. ... Join using the true spatial indexing built into some DBMS. ... 156.7 secs . ... 355 secs Spatial joins using R-tree indexing were also tested on larger datasets (3.6 million rows of USNO-B, 5 million rows of 2MASS): . ...
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Ссылки http://www.adass.org/adass/proceedings/adass03/P2-22/ -- 14.6 Кб -- 13.08.2004
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393. ADASS 2003 Conference Proceedings
... Even an automated search engine able to use an archive metadata (instrument, a filter, exposure time...) is not completely sufficient. ... Here, we show how a ``reversed'' exposure time calculator can be used to efficiently process the database-stored image descriptors of the ESO/Wide Field Imager (WFI) archive, and compute the corresponding limiting magnitudes. ... To compute a limiting magnitude without reprocessing the whole ESO archive images, we chose to use the ESO exposure time calculator. ...
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Ссылки http://www.adass.org/adass/proceedings/adass03/P2-2/ -- 18.8 Кб -- 13.08.2004
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394. ADASS 2003 Conference Proceedings
Next: Merging data from a collection of Catalogues . ... Previous: Korean Astronomical Data Center Prototype Release . ... Zhelenkova, O. P. & Vitkovskij, V. V. 2003, in ASP Conf. ... The volume of information for each source grew from the 100 bytes for each RC-catalogue row up to 10MB including radio and optical observations, information from catalogues and surveys, data processing results and files for Internet publication. ... The initial information is observational data. ...
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Ссылки http://www.adass.org/adass/proceedings/adass03/P2-15/ -- 13.8 Кб -- 13.08.2004
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395. ADASS 2003 Conference Proceedings
Next: Data Fusion from Diverse Resources for Optical Identification of Radio Sources. ... Sung, H.-i., Kim, S. C., Yim, I. S., Nam, H.-W., Kim, B. G., Kim, J., & Lee, D.-J. 2003, in ASP Conf. ... The first dataset is from the Bohyunsan Optical Astronomy Observatory (BOAO)'s 1.8m optical telescope. ... In this paper, we introduce the prototype version of KADC using the Bohyunsan Optical Astronomy Observatory (BOAO) 1.8m optical telescope data. ... Figure 3: The KADC web page showing the search result. ...
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Ссылки http://www.adass.org/adass/proceedings/adass03/P2-14/ -- 10.1 Кб -- 13.08.2004
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396. ADASS 2003 Conference Proceedings
... Miyauchi-Isobe, N., Nakajima, K., & Maehara, H. 2003, in ASP Conf. ... KUG is a catalog of ultraviolet-excess galaxies which have been detected on two- or three-color Kiso Schmidt plates. ... Figure 1: KUG survey areas. ... 2003). ... Figure 2 shows the KUG objects (red dots), and SDSS DR1 galaxies (blue dots) which are sampled in accordance with the magnitude and color ranges of KUGs. Figure 2: SDSS DR1 galaxies over KUG objects. ... Figure 3: SDSS DR1 galaxies over KUG objects in A0225 area. ...
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Ссылки http://www.adass.org/adass/proceedings/adass03/P2-13/ -- 9.9 Кб -- 13.08.2004
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397. ADASS 2003 Conference Proceedings
... Baffa, C., Giani, E., & Checcucci, A. 2003, in ASP Conf. ... 314 Astronomical Data Analysis Software and Systems XIII, eds. F. Ochsenbein, M. Allen, & D. Egret (San Francisco: ASP), 157 . ... To be useful, Skysoft needs to be a long-lived project, setting little pressure for maintenance, imposing a very low nuisance level to the developers community, and requiring a low maintenance cost. ... This site is designed so that software developers acquire more visibility because of astronomical context. ...
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Ссылки http://www.adass.org/adass/proceedings/adass03/P2-12/ -- 10.0 Кб -- 13.08.2004
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398. ADASS 2003 Conference Proceedings
... In order to maximize our efficiency we have written a suite of programs to distribute batch jobs by exploiting idle workstations during non-work hours. We discuss the system architecture of the Scheduler programs which were written to facilitate the tedious task of submitting a large number of batch jobs. ... Scheduler is a distributed batch job controller using the client/server paradigm for batch jobs submission, Figure 1 shows the architecture of the Scheduler system. ... Scheduler . ...
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Ссылки http://www.adass.org/adass/proceedings/adass03/P10-7/ -- 14.5 Кб -- 13.08.2004
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399. ADASS 2003 Conference Proceedings
... Up: Data Processing Systems . ... One of SIM's key issues is to develop a new algorithm for calculation of fringe parameters. Not only astrometric results need that new algorithm, but also real-time fringe tracking requires a new method to calculate phase and visibility fast and accurately. The formulas for the phasor algorithms for fringe estimation are presented. ... The advantages of phasor algorithms for application of fast fringe tracking and on-board data compression are discussed. ...
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Ссылки http://www.adass.org/adass/proceedings/adass03/P10-6/ -- 17.7 Кб -- 13.08.2004
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400. ADASS 2003 Conference Proceedings
... Ground Tests are a fundamental milestone within the development of the Low Frequency Instrument (LFI) which will fly onboard the ESA satellite Planck. ... Figure 1: Data handling scheme for P LANCK /LFI ground tests. ... Ground Tests campaign is a fundamental step of the LFI instrument development. ... Ground Tests data are fundamental for the instrument characterization, setup and calibration (Bersanelli 2003) as well as for the data quality assessment of the LFI DPC pipeline scientific products. ...
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Ссылки http://www.adass.org/adass/proceedings/adass03/P10-5/ -- 14.3 Кб -- 13.08.2004
[ Сохраненная копия ] Ссылки http://www.adass.org/adass/proceedings/adass03/P10-5/P10-5.html -- 14.3 Кб -- 13.08.2004
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[ Сохраненная копия ] Ссылки http://www.adass.org/adass/proceedings/adass03/P10-5/P10-5.html -- 14.3 Кб -- 13.08.2004
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