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261. Enhanced HST Pointing and Calibration Accuracy: Generating HST Jitter Files at
Next: HST Paper Products: A New Way to Look at HST Data . ... After providing on-the-fly re-calibration of HST data to archive users, ST-ECF has embarked on a new project aiming at grouping, cosmic ray cleaning and drizzling images taken by most HST instruments. ... The production of the missing jitter files combined with the extraction of additional engineering parameters will greatly enhance the homogeneity and the scientific value of the entire archive. ... 1995, HST Data Handbook, STScI, 107 . ...
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Ссылки http://www.stecf.org/conferences/adass/adassVII/dolenskym1.html -- 9.4 Кб -- 12.06.2006
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262. Browsing the HST Archive with Java-enriched Database Access
... Up: Archives and Information Services . Previous: Search and Retrieval of the AXAF Data Archive on the Web using Java . ... Our Web interface to the HST archive (WDB) was substantially augmented during the past few months: A seamless integration of Java applets and CGI interfaces to the database now allows basic manipulation and visualization of data. ... These applets only require a common Web browser and offer very helpful features to facilitate archive data selection. ...
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Ссылки http://www.stecf.org/conferences/adass/adassVII/dolenskym2.html -- 9.1 Кб -- 12.06.2006
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263. The Future of Data Reduction at UKIRT
... Up: Data Analysis Applications . ... The Observatory Reduction and Acquisition Control (ORAC) project is a comprehensive re-implementation of all existing instrument user interfaces and data handling software involved at the United Kingdom Infrared Telescope (UKIRT). ... An algorithm engine : One or more generally available packages containing suitable algorithms for data reduction . ... A messaging system : An interface between the pipeline manager and the algorithm engine . ...
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Ссылки http://www.stecf.org/conferences/adass/adassVII/economouf.html -- 12.0 Кб -- 12.06.2006
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264. Education and Public Outreach
... Previous: Data Analysis Applications . ... What is being learned from all those BITS? ... Using Java for Astronomy: The Virtual Radio Interferometer Example . N.P.F. McKay and D.J. McKay . Teaching Astronomy via the Internet . ... Astronomy On-Line - the World's Biggest Astronomy Event on the World-Wide-Web . R. Albrecht, R. West, C. Madsen and M. Naumann . ...
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Ссылки http://www.stecf.org/conferences/adass/adassVII/education.html -- 2.6 Кб -- 12.06.2006
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265. Prototype of a Discovery Tool for Querying Heterogeneous Services
... Up: Archives and Information Services . ... The CDS has recently developed a tool for managing URLs in a context of distributed heterogeneous services (GLU, Uniform Link Generator: Fernique et al. ... This includes the development of a `URL dictionary' maintained by the data providers contributing to the system. ... But the user does not need to have an a priori knowledge of the existing services, or even of the information types corresponding to potential query results. ...
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Ссылки http://www.stecf.org/conferences/adass/adassVII/egretd1.html -- 14.9 Кб -- 12.06.2006
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266. Information Mining in Astronomical Literature with Tetralogie
... It is shown that this approach allows one to qualify and visualize some major trends characterizing the current astronomical literature: multi-author collaborative work, the impact of observational projects and thematic maps of publishing authors. ... 1997). The latter functionalities (called data mining functionalities) result from data analysis, data evolution analysis and data correlation principles and allow one to discover a priori unknown knowledge or information (Shapiro et al. ...
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Ссылки http://www.stecf.org/conferences/adass/adassVII/egretd2.html -- 15.6 Кб -- 12.06.2006
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267. New Capabilities of the ADS Abstract and Article Service
... The ADS abstract service at: http://adswww.harvard.edu has been updated considerably in the last year. New capabilities in the search engine include searching for multi-word phrases and searching for various logical combinations of search terms. ... The ADS is currently used by over 10,000 users per month, which retrieve over 4.5 million references and over 250,000 full article pages each month. ... Quick Updates: The quick updates allow us to quickly enter new data into the database. ...
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Ссылки http://www.stecf.org/conferences/adass/adassVII/eichhorng.html -- 11.1 Кб -- 12.06.2006
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268. CDS GLU, a Tool for Managing Heterogeneous Distributed Web Services
Next: The CDS Information Hub . ... In this context, the CDS (Centre de Donn?es astronomiques de Strasbourg) has developed the GLU system (G?n?rateur de Liens Uniformes). This tool allows all managers participating in the system to describe and easily distribute the URL definitions required to access their databases. ... So, the GLU system is particularly adapted to design cooperative Web services, allowing one to generate links to other services which remains always up-to-date. ...
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Ссылки http://www.stecf.org/conferences/adass/adassVII/ferniquep.html -- 10.6 Кб -- 12.06.2006
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269. Object-Oriented Experiences with GBT Monitor and Control
Next: Realtime, Object-oriented Reduction of Parkes Multibeam Data using AIPS++ . ... The Green Bank Telescope Monitor and Control software group adopted object-oriented design techniques as implemented in C++. ... I should make clear from the outset that the Green Bank Telescope (GBT) monitor and control system is the work of a team of software designers of which I am not a principal member. ... The design method used for the GBT monitor and control is the ``Object Model'' in Rumbaugh et al. ...
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Ссылки http://www.stecf.org/conferences/adass/adassVII/fisherj.html -- 20.5 Кб -- 12.06.2006
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270. The IRAF Client Display Library (CDL)
... IRAF Group , NOAO , PO Box 26732, Tucson, AZ 85726 . The Client Display Library is a new interface that allows host (non-IRAF) C or FORTRAN programs to display images or draw into the graphics overlay using the XImtool image server and image viewers which emulate the XImtool client protocol such as SAOtng, SAOimage, and IPAC Skyview. ... Image cursor read/write . ... The CDL currently uses a modified IIS Model 70 protocol to communicate with IRAF display servers such as XImtool. ... IRAF.. ...
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Ссылки http://www.stecf.org/conferences/adass/adassVII/fitzpatrickm.html -- 11.6 Кб -- 12.06.2006
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271. News on the ISOPHOT Interactive Analysis PIA
... Up: Data Analysis Applications . ... The ISOPHOT Interactive Analysis system, a calibration and scientific analysis tool for the ISOPHOT instrument on board ESA's Infrared Space Observatory (ISO), has been further developed while ISO is in operation. ... The ISOPHOT Interactive Analysis (PIA) is an IDL based software tool developed for calibration and scientific analysis of data from ISOPHOT (Lemke et al. 1996), one of the instruments on board ISO (Kessler et al. 1996). ...
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Ссылки http://www.stecf.org/conferences/adass/adassVII/gabrielc.html -- 13.7 Кб -- 12.06.2006
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272. The Phase II Language for the Hobby Eberly Telescope
... Hobby Eberly Telescope, RLM 15.308 University of Texas, Austin, TX 78712, Email: niall@astro.as.utexas.edu . ... We describe our recent software effort to enable queued observations on the Hobby Eberly Telescope. ... The Hobby Eberly Telescope (HET) (Sebring & Ramsey 1994) is a 9.2 meter optical telescope currently undergoing scientific commissioning in west Texas. ... Once fully operational, this telescope will operate in a queue scheduled, service observing mode 85% of the time. ... flux of object...
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Ссылки http://www.stecf.org/conferences/adass/adassVII/gaffneyn.html -- 14.0 Кб -- 12.06.2006
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273. Distributed Searching of Astronomical Databases with Pizazz
... Previous: Accessing Astronomical Data over the WWW using datOZ . ... Robust, distributed searching of networked-based astronomical databases requires an investment not only by individual data providers, but also by the astronomical community as a whole. ... Designing a distributed, networked-based astronomical information system requires a four-step approach including original data source analysis, modeling the system, profiling the system, and implementation of the system. ...
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Ссылки http://www.stecf.org/conferences/adass/adassVII/gamielk.html -- 11.0 Кб -- 12.06.2006
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274. The CDS Information Hub
... Previous: CDS GLU, a Tool for Managing Heterogeneous Distributed Web Services . ... Navigation between the CDS services, SIMBAD, the catalogue service, the VizieR catalogue browser and the Dictionary of nomenclature is developed, as well as graphic and image-based functionalities (SIMBAD, ALADIN). ... 1997). ... The CDS has taken advantage of the WWW, first, of course, to develop WWW versions of its services : SIMBAD (1996), the catalogue service (1993), the Dictionary of Nomenclature. ...
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Ссылки http://www.stecf.org/conferences/adass/adassVII/genovaf.html -- 13.5 Кб -- 12.06.2006
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275. Achieving Stable Observing Schedules in an Unstable World
... Operations of the Hubble Space Telescope (HST) require the creation of stable and efficient observation schedules in an environment where inputs to the plan can change daily. ... A process and software architecture is presented which achieves stable and efficient observation schedules by dividing the task into long term and short term components. ... However, the resulting long range plan would be unstable as unscheduled observations in a week bin would have to be rescheduled. ...
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Ссылки http://www.stecf.org/conferences/adass/adassVII/giulianom.html -- 14.0 Кб -- 12.06.2006
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276. Recent Developments in Experimental AIPS
... Up: Data Analysis Applications . ... An experimental version of AIPS is being developed by the author with the intent of trying new ideas in several areas. ... For interferometric data, there have been significant developments in spectral-line calibration, data editing, wide-field imaging, self-calibration, and analysis of spectral cubes. ... The current state of CVX is described on the author's home page which includes instructions, comments, and links for installing the most recent copy of CVX. ...
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Ссылки http://www.stecf.org/conferences/adass/adassVII/greisene.html -- 15.5 Кб -- 12.06.2006
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277. Mirroring the ADS Bibliographic Databases
... During the past year the Astrophysics Data System has set up two mirror sites for the benefit of users around the world with a slow network connection to the main ADS server in Cambridge, MA. ... The software used to perform the actual mirroring of the databases consists of a main program running on the ADS master site initiating the mirroring procedure, and a number of scripts, run on the mirror sites, which perform the transfer of files and software necessary to update the database. ...
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Ссылки http://www.stecf.org/conferences/adass/adassVII/accomazzia.html -- 15.0 Кб -- 12.06.2006
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278. http://www.stecf.org/conferences/adass/adassVII/reprints/starckjl.ps.gz
... Structure Detection in Low Intensity XґRay Images using the Wavelet Transform Applied to Galaxy Cluster Cores Analysis JeanґLuc Starck and Marguerite Pierre CEA/DSM/DAPNIA Fґ91191 GifґsurґYvette cedex Abstract. ... Multiґresolution filtering methods based on the wavelet coe#cients detection are also discussed. Finally, using a set of ROSAT HRI deep pointings, the presence of smallґscale structures in the central regions of clusters of galaxies is investigated. ... 1995; Rosati et al. ... 1996). ...
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Ссылки http://www.stecf.org/conferences/adass/adassVII/reprints/starckjl.ps.gz -- 90.5 Кб -- 12.06.2006
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279. http://www.stecf.org/conferences/adass/adassVII/reprints/stobiee.pdf
... Proposal 7111 imaged the core of OMC-1 using the NICMOS high and intermediate resolution cameras with seven 160-second exposures, composed of 13 non-destructive reads (multiaccum mode) for both the F212N and F215N filters. Five mosaic positions were observed during five consecutive orbits as well as observations for dark and flat calibration. ... Darks and flats had to be created from contemporaneous reference observations and problems within the calibration process had to be resolved. ...
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Ссылки http://www.stecf.org/conferences/adass/adassVII/reprints/stobiee.pdf -- 94.5 Кб -- 12.06.2006
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280. http://www.stecf.org/conferences/adass/adassVII/reprints/sturme.pdf
... 145, 1998 R. Albrecht, R. N. Hook and H. A. Bushouse, eds. The ISO Sp ectral Analysis Package ISAP E. Sturm1 , O.H. Bauer, D. Lutz, E. Wieprecht and E. Wiezorrek Max-Planck-Institut fuer extraterrestrische Physik, Postfach 1603 ... ISAP is written in pure IDL. Its command line mode as well as the widget based graphical user interface (GUI) are designed to provide ISO observers with a convenient and powerful tool to cope with data of a very complex character and structure. ...
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Ссылки http://www.stecf.org/conferences/adass/adassVII/reprints/sturme.pdf -- 65.5 Кб -- 12.06.2006
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