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2061. http://www.adass.org/adass/proceedings/adass94/jenningsd.ps
... The Convert project is a newly funded NASA endeavor whose goal is to provide the scientific community with software tools for data format conversion. ... First, Convert will provide tools to convert data in nonґstandard data formats into selected standard data formats. These tools will initially perform conversion of data into FITS (Wells et al. 1981), although plans to accommodate HDF (NCSA 1993a) conversion are under consideration. ... FITS Image Extensions ffl HDF Palettes and SDS Objects --? ...
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Ссылки http://www.adass.org/adass/proceedings/adass94/jenningsd.ps -- 65.0 Кб -- 13.06.1995
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2062. http://www.adass.org/adass/proceedings/adass94/rosat.ps
... The ASCII table containing tape content information is composed of four table columns and one row for each FITS file on the tape. ... SIMPLE = T / file does conform to FITS standard BITPIX = 16 / number of bits per data pixel NAXIS = 0 / number of data axes EXTEND = T / FITS dataset may contain extensions FNAME = 'ad13000000?050? tape .cat' / Original file name SEQNUM = 13000000 / Sequential number from ODB PROCVER = 'P4.0.0 ' / Processing Configuration number SEQPNUM = 050 / ...
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Ссылки http://www.adass.org/adass/proceedings/adass94/rosat.ps -- 67.9 Кб -- 13.06.1995
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2063. http://www.adass.org/adass/proceedings/adass94/jacobyg.ps
Astronomical Data Analysis Software and Systems IV ASP Conference Series, Vol. ... Papers presented at this meeting are classified according to 12 steps in the astronomical research process. In considering future software needs, I present five projects to enhance the astronomer's reґ search effectiveness, and note that large telescope projects and informaґ tion databases will also challenge software developers. ... Table 1 lists these steps along with the paper count. ...
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Ссылки http://www.adass.org/adass/proceedings/adass94/jacobyg.ps -- 68.7 Кб -- 13.06.1995
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2064. http://www.adass.org/adass/proceedings/adass94/jacksonr2.ps
Astronomical Data Analysis Software and Systems IV ASP Conference Series, Vol. 77, 1995 R. A. Shaw, H. E. Payne, and J. J. E. Hayes, eds. Indexing and Searching Distributed Astronomical Data Archives R. E. Jackson Computer Sciences Corporation/Space Telescope Science Institute, 3700 San Martin Dr., Baltimore, MD 21218 Abstract. ... Each catalog would in turn be indexed by the extremum values of the parameters into a catalog of catalogs. ...
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Ссылки http://www.adass.org/adass/proceedings/adass94/jacksonr2.ps -- 55.7 Кб -- 13.06.1995
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2065. http://www.adass.org/adass/proceedings/adass94/jacksonr1.ps
... 77, 1995 R. A. Shaw, H. E. Payne, and J. J. E. Hayes, eds. AstroWeb -- Internet Resources for Astronomers R. E. Jackson Computer Sciences Corporation/Space Telescope Science Institute, 3700 San Martin Dr., Baltimore, MD 21218 H.ґM. Adorf Space Telescope ґ European Coordinating Facility, KarlґSchwarzschildґStr. ... AstroWeb is a World Wide Web (WWW) interface to a colґ lection of Internet accessible resources aimed at the astronomical comґ munity. ... What Is AstroWeb? ... Where Is AstroWeb? ...
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Ссылки http://www.adass.org/adass/proceedings/adass94/jacksonr1.ps -- 58.0 Кб -- 13.06.1995
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2066. http://www.adass.org/adass/proceedings/adass94/ichikawas.ps
... This system, named MOKA, allows users to search data with some conґ straints, preview data, and view FITS headers. ... To overcome this, we decided to develop an archive system for the CCD data available now at the Kiso Observaґ tory (Kiso) and the Okayama Astrophysical Observatory (OAO). ... 1 2 DBMS (SYBASE) Header View Raw Data (Kiso) Raw Data (OAO) Compressed Image (for Quick Look) Header Data User List View SQL File MOKA List File Extracted Information Quick Look GUI Figure 1. ...
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Ссылки http://www.adass.org/adass/proceedings/adass94/ichikawas.ps -- 2130.1 Кб -- 13.06.1995
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2067. http://www.adass.org/adass/proceedings/adass94/hulberts.ps
... 77, 1995 R. A. Shaw, H. E. Payne, and J. J. E. Hayes, eds. ASpect: A MultiґWavelength Spectrum Analysis Package for IRAF S. J. Hulbert, J. D. Eisenhamer, Z. G. Levay, and R. A. Shaw Space Telescope Science Institute, 3700 San Martin Dr., Baltimore, MD 21218 Abstract. ... We discuss the implementation of a GUI using the IRAF Object Manager, the ASpect task design, and the mechanics of performing a fit to a spectral feature with ASpect. ... Relationships between ASpect Objects and Code Libraries. ...
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Ссылки http://www.adass.org/adass/proceedings/adass94/hulberts.ps -- 2124.4 Кб -- 13.06.1995
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2068. http://www.adass.org/adass/proceedings/adass94/hookr.ps
... 77, 1995 R. A. Shaw, H. E. Payne, and J. J. E. Hayes, eds. Star Finding and PSF Determination using Image Restoration R. N. Hook and L. B. Lucy 1 Space Telescope--European Coordinating Facility, European Southern Observatory, KarlґSchwarzschildґStr. ... First, an experimental method for locating stellar images by enhancing the sharp cores of stars using a multiґchannel entropy minґ imization technique is described. ... 0 and leads to a minimization of the entropy of a ``points'' channel. ...
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Ссылки http://www.adass.org/adass/proceedings/adass94/hookr.ps -- 1147.2 Кб -- 13.06.1995
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2069. http://www.adass.org/adass/proceedings/adass94/hillg.ps
Astronomical Data Analysis Software and Systems IV ASP Conference Series, Vol. ... Unlike a photographic plate, where all the information needed to analyze it is carried on it (arcs, star, clear plate and calibration data), the digital detectors generate sequential files which must be tracked. ... Given the starting and ending file numbers, the data are normalized by the flats. ... When using data from the AAT or WHT, I use the FIGARO software to produce the 1ґD files that feed the reduction software. ...
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Ссылки http://www.adass.org/adass/proceedings/adass94/hillg.ps -- 110.4 Кб -- 13.06.1995
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2070. http://www.adass.org/adass/proceedings/adass94/harrisd.ps
... The Einstein OnґLine Service (EOLS) is a simple menuґ driven system which provides an intuitive method of querying over one hundred database catalogs. ... The EOLS provides all of our databases to the NASA Astrophysics Data System (ADS) and our documents which describe each table are written in the ADS format. In conjunction with the IAU working group on Radioastronomical Databases, the EOLS serves as an experiґ mental platform for onґline access to radio source catalogs. ...
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Ссылки http://www.adass.org/adass/proceedings/adass94/harrisd.ps -- 184.0 Кб -- 13.06.1995
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2071. http://www.adass.org/adass/proceedings/adass94/gulatir.ps
... 77, 1995 R. A. Shaw, H. E. Payne, and J. J. E. Hayes, eds. Automated Classification of a Large Database of Stellar Spectra R. K. Gulati and R. Gupta IUCAA, Post Bag 4, Ganeshkhind, Pune 411 007, India P. Gothoskar and S. Khobragade NCRA, TIFR Center, P.O. Box 3, Pune 411 007, India Abstract. ... The performance of MBPN shows that the ANN is capable of classifying ultraviolet stellar spectra to an accuґ racy of about one spectral subclass for most of the cases. ...
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Ссылки http://www.adass.org/adass/proceedings/adass94/gulatir.ps -- 184.5 Кб -- 13.06.1995
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2072. http://www.adass.org/adass/proceedings/adass94/greisene.ps
... 77, 1995 R. A. Shaw, H. E. Payne, and J. J. E. Hayes, eds. Representations of Celestial Coordinates in FITS E. W. Greisen National Radio Astronomy Observatory M. Calabretta Australia Telescope National Facility Abstract. ... They were CRPIXn for the reference pixel location on pixel axis n, CRVALn for the coordinate value at that pixel, CDELTn for the increment at that pixel in the coordinate value, and CTYPEn for the type of coordinate. ... References Greisen, E. W. 1983, AIPS Memo No. ...
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Ссылки http://www.adass.org/adass/proceedings/adass94/greisene.ps -- 73.6 Кб -- 13.06.1995
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2073. http://www.adass.org/adass/proceedings/adass94/grantc.ps
... Table Data Dictionary There is one Table Data Dictionary per table at a node. ... Table Data Dictionary Keyword Description DB NODE Node name DB NAME Database name DB TBLE Table name DB DESC Description of table DB COLS Total number of columns in table DB ROWS Total number of rows in table DB SUBJ Colon separated list of subjects (for lists) DB KWD Colon separated list of keywords (for searching ) DB URL URL for description file TTYPEnnn Column name TFORMnnn Format of ...
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Ссылки http://www.adass.org/adass/proceedings/adass94/grantc.ps -- 70.8 Кб -- 13.06.1995
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2074. http://www.adass.org/adass/proceedings/adass94/goochr.ps
... The vast quantities of data produced by modern radio teleґ scopes have outstripped conventional visualization techniques available to astronomers. ... Volume Rendering Visualization of threeґdimensional data sets has already been researched and imґ plemented in fields such medicine, for visualizing threeґdimensional CAT scans. ... By presenting data three dimensionally, the astronomer may identify structure in the data which is not obvious when using conventional tools. ...
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Ссылки http://www.adass.org/adass/proceedings/adass94/goochr.ps -- 58.4 Кб -- 13.06.1995
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2075. http://www.adass.org/adass/proceedings/adass94/fitzpatrickm.ps
... Currently supported or recognized image formats. Image Format IMPORT Task EXPORT Task Raw Binary supported generic model supported generic model ASCII Text all task options AVS X Image 24ґ bit RGB plus alpha channel : : : Encapsulated PostScript : : : 8ґ bit grayscale, 24ґ bit color EXPORT task raw binary all types : : : FITS simple images only : : : GIF 8ґ bit CLT 8ґ bit CLT IRAF OIF image all IRAF data types all data types PDS 8ґ ...
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Ссылки http://www.adass.org/adass/proceedings/adass94/fitzpatrickm.ps -- 293.0 Кб -- 13.06.1995
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2076. http://www.adass.org/adass/proceedings/adass94/finil.ps
Astronomical Data Analysis Software and Systems IV ASP Conference Series, Vol. ... The archive content is typically multimedia in nature, consisting of drawґ ings, pictures, papers and documents with different formats, spreadsheet data files, plots, and so on. ... The LBT Archive The LBT archive is an information system which stores a huge number of items (or data files) from various sources and of different nature, gathered during the development phase and the operating life of the telescope. ...
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Ссылки http://www.adass.org/adass/proceedings/adass94/finil.ps -- 60.7 Кб -- 13.06.1995
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2077. http://www.adass.org/adass/proceedings/adass94/feigelsone.ps
Astronomical Data Analysis Software and Systems IV ASP Conference Series, Vol. 77, 1995 R. A. Shaw, H. E. Payne, and J. J. E. Hayes, eds. Statistical Consulting Center for Astronomy E. D. Feigelson Department of Astronomy & Astrophysics, Penn State University, University Park PA 16802 M. G. Akritas, J. L. Rosenberger Department of Statistics, Penn State University, University Park PA 16802 Abstract. ... Questions should be sent by eґmail to scca@stat.psu.edu. ...
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Ссылки http://www.adass.org/adass/proceedings/adass94/feigelsone.ps -- 70.9 Кб -- 13.06.1995
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2078. http://www.adass.org/adass/proceedings/adass94/favataf.ps
Astronomical Data Analysis Software and Systems IV ASP Conference Series, Vol. 77, 1995 R. A. Shaw, H. E. Payne, and J. J. E. Hayes, eds. The SAXґLEGSPC Data Reduction and Analysis System: An Example of a Minimalist Approach F. Favata, A. N. Parmar, U. Lammers, G. Vacanti, M. Busetta Astrophysics Division, ESA/ESTEC, P.O. Box 299, 2200 AG Noordwijk, The Netherlands J. J. Mathieu, P. Isherwood Mathematics and Software Division, ESA/ESTEC, P.O. Box 299, 2200 AG Noordwijk, The Netherlands Abstract. ...
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Ссылки http://www.adass.org/adass/proceedings/adass94/favataf.ps -- 63.6 Кб -- 13.06.1995
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2079. http://www.adass.org/adass/proceedings/adass94/farrisa.ps
Astronomical Data Analysis Software and Systems IV ASP Conference Series, Vol. ... Using techniques from semantic data modeling and objectґ oriented data modeling, an astronomical data model is identified as a kind of conceptual analysis. The general characteristics of such a model are presented, as well as its relationship to computerґbased data structures and the FITS standard for transporting data. ... It should be clear, at this point, why FITS (NOST 1993) is not an astroґ nomical data model. ...
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Ссылки http://www.adass.org/adass/proceedings/adass94/farrisa.ps -- 59.8 Кб -- 13.06.1995
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2080. http://www.adass.org/adass/proceedings/adass94/farrellt2.ps
... In realґtime instrument control systems such as the AAO's DRAMA system, where relatively complex individual tasks control their own parts of a system (spectrograph, camera, telescope, etc), there are often significant similarities between tasks. At AAO, all DRAMA tasks have a number of standard ``actions'' such as ``INITIALISE'', ``RESET'' and ``EXIT'', and all camera control tasks provide actions such as ``WINґ DOW'', ``EXPOSE'' etc. ... However, for other actions it is obvious. ...
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Ссылки http://www.adass.org/adass/proceedings/adass94/farrellt2.ps -- 58.0 Кб -- 13.06.1995
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