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441. ADASS 2002 Conference Proceedings
... The Chandra Data Archive team at the Chandra X-ray Center has developed middle tier services that are used by both our search and retrieval applications to uniformly access our data repository. ... Programs can call the services to retrieve observation data such as a single FITS file, a proposal abstract or a detailed report of observation parameters. ... Given an observation ID, filetype and data-processing level, this service returns the content of a single file from the Data Archive. ...
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Ссылки http://www.adass.org/adass/proceedings/adass02/P7-3/ -- 13.2 Кб -- 13.03.2003
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442. ADASS 2002 Conference Proceedings
Next: HDX Data Model: FITS, NDF and XML Implementation . ... The loading process will be completely automated using a combination of VB and DTS scripts and SQL stored procedures, and a admin web interface will be provided to the Load Monitor which controls the entire loading process. ... In January 2002, the SDSS collaboration made the decision to migrate to Microsoft SQL Server as the DB engine based on our dissatisfaction with Objectivity/DB's features and performance (Thakar et al. 2002). ...
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Ссылки http://www.adass.org/adass/proceedings/adass02/O7-3/ -- 14.0 Кб -- 13.03.2003
[ Сохраненная копия ] Ссылки http://www.adass.org/adass/proceedings/adass02/O7-3/O7-3.html -- 14.0 Кб -- 13.03.2003
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443. ADASS 2002 Conference Proceedings
Next: Data Organization in the SDSS Data Release 1 . ... These catalogs store astronomical content: the pixel catalog provides uniform access to our many archival data holdings, the source catalog stores the results of image analysis, and the processing catalog stores metadata describing exactly how sources are extracted from pixel data. ... The abstractions described above for pixel data and derived catalog content require a set of data types not normally used for catalogs. ...
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Ссылки http://www.adass.org/adass/proceedings/adass02/O7-1/ -- 26.9 Кб -- 13.03.2003
[ Сохраненная копия ] Ссылки http://www.adass.org/adass/proceedings/adass02/O7-1/O7-1.html -- 26.9 Кб -- 13.03.2003
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[ Сохраненная копия ] Ссылки http://www.adass.org/adass/proceedings/adass02/O7-1/O7-1.html -- 26.9 Кб -- 13.03.2003
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444. ADASS 2002 Conference Proceedings
... We summarize the general approach adopted for the calibration of millimeter interferometer data from the BIMA telescope using AIPS++ and illustrate the use of the relevant software tools. ... Finally, we will present a comparison of data calibrated in MIRIAD and AIPS++. We present the results of a comparison of calibrated millimeter data from the Berkeley-Illinois-Maryland Association (BIMA) Array using both AIPS++ and MIRIAD. ... A brief discussion of calibration of BIMA data using AIPS++; . ...
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Ссылки http://www.adass.org/adass/proceedings/adass02/P3-11/ -- 13.0 Кб -- 13.03.2003
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445. ADASS 2002 Conference Proceedings
... 295 Astronomical Data Analysis Software and Systems XII, eds. H. E. Payne, R. I. Jedrzejewski, & R. N. Hook (San Francisco: ASP), 174 . ... MTA tools, products, and services include real-time monitoring and alert generation for the most mission critical components, long term trending of all spacecraft systems, detailed analysis of various subsystems for life expectancy or anomaly resolution, and the creation and maintenance of a large SQL database of relevant information. ... 2002). ...
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Ссылки http://www.adass.org/adass/proceedings/adass02/P6-10/ -- 16.5 Кб -- 13.03.2003
[ Сохраненная копия ] Ссылки http://www.adass.org/adass/proceedings/adass02/P6-10/P6-10.html -- 16.5 Кб -- 13.03.2003
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[ Сохраненная копия ] Ссылки http://www.adass.org/adass/proceedings/adass02/P6-10/P6-10.html -- 16.5 Кб -- 13.03.2003
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446. ADASS 2002 Conference Proceedings
... 295 Astronomical Data Analysis Software and Systems XII, eds. H. E. Payne, R. I. Jedrzejewski, & R. N. Hook (San Francisco: ASP), 156 . ... The digital zenith camera TZK2-D is a geodetic state-of-the-art instrument for determining geographic longitude and latitude fully automatically. ... In recent time, the availability of digital image sensors (CCD) at reasonable prices initiated the development of a digital zenith camera system in Hanover (Hirt 2001, Hirt & Buerki 2002). ...
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Ссылки http://www.adass.org/adass/proceedings/adass02/P6-1/ -- 18.4 Кб -- 13.03.2003
[ Сохраненная копия ] Ссылки http://www.adass.org/adass/proceedings/adass02/P6-1/P6-1.html -- 18.4 Кб -- 13.03.2003
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447. ADASS 2002 Conference Proceedings
... New technologies have made it possible to construct an affordable radio telescope with collecting area of one square km: the SKA. ... In particular, there was a transition (about 1980) from large single dishes to arrays of smaller dishes. ... Figure 3: ATA in nulls, Bower(2002). ... The reduction in the cost and size of the electronics in telescopes of the future will allow radio astronomers to take increasing advantage of multibeaming through either focal plane or aperture plane arrays. ...
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Ссылки http://www.adass.org/adass/proceedings/adass02/O3-1/ -- 33.8 Кб -- 13.03.2003
[ Сохраненная копия ] Ссылки http://www.adass.org/adass/proceedings/adass02/O3-1/O3-1.html -- 33.8 Кб -- 13.03.2003
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448. ADASS 2002 Conference Proceedings
... Up: Sky Surveys . ... The resultant serendipitous source catalogues have made a significant contribution to our knowledge of the X-ray sky and our understanding of the nature of the various Galactic and extragalactic source populations. ... Figure 1: Example XMM-Newton X-ray image. ... As well as the potential for building up large samples, the brighter sources in the XMM-Newton catalogue also provide the prospect of obtaining high quality X-ray spectra and time series data (and morphology). ...
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Ссылки http://www.adass.org/adass/proceedings/adass02/O2-2/ -- 36.4 Кб -- 13.03.2003
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449. ADASS 2002 Conference Proceedings
Next: Sky Surveys . Up: Virtual Observatory and Archives . ... The NOAO Science Archive (NSA) is a major step toward building a comprehensive scientific archive of the optical and infrared data holdings of the National Optical Astronomy Observatory. ... Planning for the NSA was started in November of 2001 by the Science Data Systems Group of the NOAO Data Products Program.Version 1.0 of the NSA was released in April, version 1.1 in July and version 1.2 in October of 2002. ...
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Ссылки http://www.adass.org/adass/proceedings/adass02/P1-12/ -- 13.4 Кб -- 13.03.2003
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450. ADASS 2002 Conference Proceedings
... The National Virtual Observatory (NVO) project is an effort to federate astronomical resources, to provide seamless access to heterogeneous data at various centers throughout the world, and make them appear to the user as a homogeneous set. ... It knows how to find and communicate with a service registry, but does not have prior knowledge of which services are available. ... When the user clicks `Find Images,' the portal forms queries for each of the archive services that were selected by the user. ...
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Ссылки http://www.adass.org/adass/proceedings/adass02/D7/ -- 12.9 Кб -- 13.03.2003
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451. ADASS 2002 Conference Proceedings
... In this article we describe how the GLU system (Uniform Link Generator) allows the Aladin browsing tool to integrate several image and data servers through a single interface. ... How to access the data servers? ... The GLU system is a distributed repository of Web server descriptions. ... With these GLU records, Aladin dynamically builds the server access forms, using the description of each required parameter, their default values, the data type assigned to each of them and so on; . ...
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Ссылки http://www.adass.org/adass/proceedings/adass02/O10-5/ -- 13.7 Кб -- 13.03.2003
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452. ADASS 2002 Conference Proceedings
... Previous: Why Indexing the Sky is Desirable . ... An alternative algorithm, proposed here, is based on covering the sky with pixels of approximately equal area, and assigning a unique integer to each pixel. ... For each table, the pixel code value corresponding to the central position (RA, Dec) of each source is computed and inserted into a new column called PCODE. ... This cannot be the primary index of a table since PCODE values are not necessarily unique: one pixel may contain more than one...
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Ссылки http://www.adass.org/adass/proceedings/adass02/O10-4/ -- 16.6 Кб -- 13.03.2003
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453. ADASS 2002 Conference Proceedings
... 295 Astronomical Data Analysis Software and Systems XII, eds. H. E. Payne, R. I. Jedrzejewski, & R. N. Hook (San Francisco: ASP), 21 . ... A new architecture for all-sky browsing of astronomical datasets has been designed and implemented in the form of a graphical front-end to the yourSky custom mosaicking engine. With yourSky, any part of the sky can be retrieved as a single FITS image with user-specified parameters such as coordinate system, projection, resolution and data type. ...
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Ссылки http://www.adass.org/adass/proceedings/adass02/O6-4/ -- 15.9 Кб -- 13.03.2003
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454. ADASS 2002 Conference Proceedings
... Livermore, CA 94550, USA SuperMacho project and ESSENCE project collaborations . ... The database requirements of the SM+SN projects can be divided into three broad categories: support for the survey operation, storage and analysis of the data that comes from the image reduction and transient detection pipeline, and communication of the results to the project users and the astronomical community. ... The pipeline then proceeds through image subtraction and transient detection. ...
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Ссылки http://www.adass.org/adass/proceedings/adass02/P99-1/ -- 15.8 Кб -- 13.03.2003
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455. ADASS 2002 Conference Proceedings
... Mac OS X is the new Unix based version of the Macintosh operating system. It combines a high performance DisplayPDF user interface with a standard BSD UNIX subsystem and provides users with simultaneous access to a broad range of applications which were not previously available on a single system such as Microsoft Office and Adobe Photoshop, as well as legacy X11-based scientific tools and packages like IRAF, SuperMongo, MIDAS, etc. ...
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Ссылки http://www.adass.org/adass/proceedings/adass02/P8-4/ -- 11.7 Кб -- 13.03.2003
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456. ADASS 2002 Conference Proceedings
... The RedHat Package Manager (RPM) software is one such which is available for many platforms. ... it keeps track of installed packages and package version numbers, and all files associated with each package. ... Buildrequires expresses the additional packages required at build time and fixup expresses files that have to be changed at installation. ... The resulting RPM files are re-locatable so you don't have to install the packages in the default location ( /star ). ...
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Ссылки http://www.adass.org/adass/proceedings/adass02/P8-2/ -- 13.6 Кб -- 13.03.2003
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457. ADASS 2002 Conference Proceedings
... The CAOS Application Builder is a Graphical Programming Environment which allows the building of complex simulation applications by putting together elementary blocks. ... Figure 1: The CAOS Application Builder generates program code . ... Code Profiler. ... D'Amore, L., Guarracino, M.R., Laccetti, G. 2003, "On the Parallelization of a Commercial PSE for Scientific Computation", to appear in ``Proceedings of IEEE International Conference on Parallel and Distributed Processing'', Genova, Italy. ...
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Ссылки http://www.adass.org/adass/proceedings/adass02/P8-1/ -- 13.5 Кб -- 13.03.2003
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458. ADASS 2002 Conference Proceedings
... With the introduction of the OPUS CORBA mode, a limited subset of OPUS Applications Programming Interface (OAPI) functionality was cast into CORBA IDL so that both OPUS applications and the Java-based OPUS pipeline managers were able to use the same CORBA infrastructure to access information on blackboards. ... Other applications might benefit from running `outside' of the traditional file system-based OPUS environment like the Java managers and, in particular, on platforms not supported by OPUS. ...
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Ссылки http://www.adass.org/adass/proceedings/adass02/P7-9/ -- 15.2 Кб -- 13.03.2003
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459. ADASS 2002 Conference Proceedings
... Up: Data Management and Pipelines . ... We have written an automatic image processing pipeline for the Advanced Camera for Surveys (ACS) Guaranteed Time Observation (GTO) program. ... The basic Apsis ``observation object'' consists of all the images of a given program field (or mosaic of adjacent fields). ... We use the ``Match'' program (Richmond 2002) to derive shifts and rotations with respect to a reference image, by default the one having the most ``good'' sources. ...
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Ссылки http://www.adass.org/adass/proceedings/adass02/P7-8/ -- 17.9 Кб -- 13.03.2003
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460. ADASS 2002 Conference Proceedings
Next: Data Management and Pipelines . Up: Calibration . ... Image and table data are read from and written to FITS files using PyFITS, and the data arrays are manipulated using the numarray module, with C extension code for special cases not included in numarray. ... Image extensions are used for input accum data, calibrated accum data, calibrated time-tag event data after binning into an image, and flat field and geometric distortion reference files. ... Hodge, P. 2002, in ASP Conf. ...
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Ссылки http://www.adass.org/adass/proceedings/adass02/P7-7/ -- 16.2 Кб -- 13.03.2003
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