Index of /holdings/iue-c-lwr-3-edr-iuecdb-v1.0

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PDS_VERSION_ID       = PDS3                                                   
RECORD_TYPE          = STREAM                                                 
OBJECT               = TEXT                                                   
  NOTE               = "AAREADME file for IUE Data Set Volume"                
  PUBLICATION_DATE   = 2001-03-01                                             
END_OBJECT           = TEXT                                                   
***** File AAREADME.TXT                                                       
Two groups of data (HIGH and LOW dispersion) are included in this volume.  The
data are LWR measurements of 18 comets observed by IUE.  Added                
information is included from the Uniform Low Dispersion Archive Guide No. 2   
(ESA SP1134), such as a General List of comet observations from 1978-1989.    
The data files were collected from IUEMAST.   A FITS to PDS translator (F2P)  
has been used to create the detached PDS labels.    The data were checked     
by manipulating the data with IDL routines created at the Small Bodies Node.  
In the DOCUMENT directory are explanatory text files as well as digitized     
versions (1&2) of the manuals in TEX or ASCII text with figures as JPG        
files. All document files and most labels contain an 80-byte fixed length     
record, with a carriage return (ASCII 13) and line feed (ASCII 10) as the     
79th and 80th byte respectively.   All the tabular files in the INDEX and     
DOCUMENT directory are formatted according to PDS standards.   It should be   
noted that the index tables are formatted so that they may be read directly   
into many database management systems.   All fields are separated by commas,  
and character fields are inclosed in double quotes (").                       
49 comets were observed by the IUE during the period.  Of these, 18 were      
observed using the LWR.  The cpmplete list of comets is shown below,          
with the LWR comets marked by an asterisk (*):                                
   COMET                                           IAU DESIG                  
   AREND-RIGAUX                                    1951 C2                    
 * AUSTIN 82                                       1982 M1                    
 * AUSTIN 90                                       1989 X1                    
 * BORRELLY 81-|                                                              
   BORRELLY 87-|-----------------------------------1904 Y2                    
   BORRELLY 94-|                                                              
 * BOWELL-SKIFF                                    1980 E1                    
 * BRADFIELD 79X                                   1979 Y1                    
   BRADFIELD 87                                    1987 P1                    
   BRORSEN-METCALF                                 1847 O1                    
 * CERNIS                                          1983 O1                    
 * CHURYUMOV-GERASIMENKO                           1969 R1                    
   CROMMELIN                                       1928 W1                    
 * D'ARREST 82-------------------------------------1851 M1                    
   D'ARREST 95----|                                                           
 * ENCKE 80-|                                                                 
   ENCKE 84-|                                                                 
   ENCKE 87-|--------------------------------------1818 W1                    
   ENCKE 90-|                                                                 
   ENCKE 94-|                                                                 
   FAYE 91                                         1843 W1                    
   GIACOBINI-ZINNER                                1900 Y1                    
 * GRIGG-SKJELLERUP                                1922 K1                    
   HALE-BOPP                                       1995 O1                    
   HALLEY                                          1682 Q1                    
   HARTLEY-GOOD                                    1985 R1                    
   HONDA-MRKOS-PAJDUSAKOVA                         1948 X1                    
   HYAKUTAKE                                       1996 B2                    
   ICHIMURA                                        1987 W1                    
 * IRAS-ARAKI-ALCOCK                               1983 H1                    
 * KOPFF                                           1906 Q1                    
   LEVY                                            1991 L3                    
   LEVY-RUDENKO                                    1984 V1                    
   MACHHOLZ 2                                      1994 P1-A                  
   MCNAUGHT                                        1987 U3                    
   MCNAUGHT-RUSSELL                                1994 X1                    
 * MEIER 80                                        1980 V1                    
   METCALF-BREWINGTON                              1906 V2                    
   NISHIKAWA-TAKAMIZAWA-TAGO                       1987 B1                    
   OKAZAKI-LEVY-RUDENKO                            1989 Q1                    
 * PANTHER                                         1980 Y2                    
   PONS-WINNECKE                                   1858 E1                    
   SCHAUMASSE                                      1911 X1                    
   SCHWASSMANN-WACHMANN 1                          1927 V1                    
 * SEARGENT                                        1978 T1                    
   SHOEMAKER-LEVY                                  1991 T2                    
 * STEPHAN-OTERMA                                  1942 V1                    
 * SUGANO-SAIGUSA-FUJIKAWA                         1983 J1                    
   SWIFT-TUTTLE                                    1862 O1                    
   TAKAMIZAWA                                      1984 O1                    
 * TEMPEL 1                                        1867 G1                    
   TEMPEL 2                                        1873 N1                    
 * TUTTLE                                          1858 A1                    
   WILSON                                          1986 P1                    
   YANAKA                                          1989 A1                    
   ZANOTTA-BREWINGTON                              1991 Y1                    
An outline of the CD-ROM is shown in the table below:                         
AAREADME.TXT                      Short introduction to CDROM contents        
VOLDESC.CAT                       Description of files on volume              
/CATALOG/*.CAT                    Mission, host, instrument, data set, & ref  
 *DS - abbreviation for data set, used in filename for catalog                
 *HOST - spacecraft or observatory (institution) that supports a mission      
 *IN - abbreviation for instrument, used in filename for catalog              
 *MSN - abbreviation for mission, used in filename for catalog                
 REF - reference list as a catalog file                                       
/DOCUMENT/*.ASC,*.JPG,*.TEX       Manuals and other information               
         /OBSERVATION_LOG/*.ASC,*.JPG Digitized log pages for comet data      
         /IUECAL/*.ASC,*.FIT      Sensitivity calibration for archive         
         /ULDA/*.ASC,*.JPG,*.TAB  Uniform Low Dispersion Archive Guide No. 2  
/EPHEM/*.ASC                      Ephemeris files for selected comets         
/INDEX/*.TAB                      Indexes by experiment or volume             
/DATA/HIGH/YYYY_CC/YEAR/INS/FILE/*.FIT  High dispersion, year dir. optional   
/DATA/LOW/YYYY_CC/YEAR/INS/FILE/*.FIT   Low dispersion, year dir. optional    
[YYYY_CC = IAU comet designation, see correspondence table given above        
INS = LWP,LWR,SWP  FILE (Low) = MXLO,SILO,INES   File (High) = MXHI, SIHI]    
Three forms of data may be included.  The extracted spectra as binary tables  
(INES), resampled images (SILO, SIHI), and raw spectra (MXLO, MXHI). After    
data reached the Small Bodies Node, some file names were changed to meet ISO  
standards. The original files came in FITS format in the form filename.ines   
or filename.silo (sihi, mxlo, mxhi).   As the new filenames had to end in the 
extension "FIT" then FITS became FIT, or for SILO (SIHI, MXLO, MXHI) the first
characters of the old extension were used to replace the second two characters
of the file name; thus SILO (MXLO, SIHI, MXHI) files could end in "FIT" and   
still be unique.  For example:                                                
       SWP12345.SILO   ->       SSI12345.FIT                                  
       SWP12345.MXLO   ->       SMX12345.FIT                                  
The same holds true for LWP and LWR data.                                     
Small Bodies Node                                                             
Department of Astronomy, University of Maryland                               
College Park, MD 20742-2421                                                   
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