Astronomical Data Center

ADCADC/CDS Standard Document for Catalog:
/catalogs/8/8012/

The following is the "ReadMe" document that describes this ADC catalog. You can access the files described here in three ways:

1. Use the ADC Data Viewer Suite to visualize the data. [preview
2. Get the data files via anonymous FTP. (See Note.) [ftp


VIII/12     Orion A Emission-Line Surveys       (Jewell+ 1989)
================================================================================
Orion A Emission-Line Surveys from 200.7-202.3, 203.7-205.3, and 330.5-360.1 GHz
    Jewell P.R., Hollis J.M., Lovas F.J., Snyder L.E.
    <Astrophys. Journ. Suppl. 70, 833 (1989)>
    =1989ApJS...70..833J
================================================================================
ADC_Keywords: Radio sources ; Surveys 

Description:
  This catalog comprised surveys of the Orion A molecular emission lines
  from 200.7-202.3, 203.7-205.3, and 330.5-360.1 GHz. These surveys were
  done by using the 12 m radio telescope of the National Radio Astronomy
  Observatory (NRAO). For the 870 microns (um) atmospheric window, about
  160 distinct spectral features composed of nearly 180 lines were
  detected. For the other two bands 42 distinct, new spectral lines were
  detected. The new interstellar lines in the survey bands were
  tabulated in FITS format. This new data base would be a useful
  resource for further analyses of abundances and excitation of known
  Orion A species and for determining unidentified lines for use in
  molecule identification. The single-dish FITS format in FITS table
  extension was adopted to create this catalog. The data were tabulated
  in the order of Figures 1-39, including both the unshifted and shifted
  spectra in each figure (Jewell et al., 1989). Single Dish header
  parameters were represented in the table's header, and the data
  comprised the actual table in ASCII. Various FITS Tables keywords were
  given in great detail for describing the format of the table and how a
  computer program could read it. 

File Summary:
--------------------------------------------------------------------------------
 FileName       Lrecl  Records   Explanations
--------------------------------------------------------------------------------
ReadMe             80        .   This file
figs.fit         2880      376   Orion A Survey data in FITS format
--------------------------------------------------------------------------------

Remarks:
  The Orion A survey data were received by the Astronomical Data Center
  (ADC), NASA Goddard Space Flight Center, from Dr. Phil Jewell on 
  September 10, 1990. The data images of the spectra were written in 
  the exact order that the figures appear in the journal paper.
  The lower sideband (LSB) frequencies (in MHz) of the 75 tables were
  summarized in the following list (table number vs. LSB):
  
 No. LSB(MHz)  No. LSB(MHz)  No. LSB(MHz) 
   1  201003    26  339810    51  351810   
   2  201515    27  339800    52  353300   
   3  202027    28  343300    53  353310   
   4  333800    29  343310    54  353800   
   5  333810    30  343800    55  353880   
   6  334300    31  343810    56  354300   
   7  334310    32  344300    57  354310   
   8  334800    33  344310    58  355300   
   9  334810    34  344800    59  355310   
  10  335300    35  344810    60  355800   
  11  335310    36  345300    61  355810   
  12  335800    37  345310    62  356300   
  13  335810    38  345796    63  356310   
  14  336300    39  345806    64  357300   
  15  336310    40  349300    65  357290   
  16  337300    41  349310    66  357800   
  17  337310    42  349800    67  357810   
  18  337800    43  349810    68  358300   
  19  337810    44  350300    69  358310   
  20  338300    45  350310    70  358800   
  21  338310    46  350800    71  358810   
  22  338800    47  350810    72  359300   
  23  338810    48  351300    73  359310   
  24  339300    49  351310    74  359800   
  25  339310    50  351800    75  359810   

  Note the 75 FITS tables correspond to the Figures 1-39 of Jewell et al.
  (1989). 

Acknowledgments:
  The original journal paper (Jewell et al. 1989), CDS Intro file, and the 
  memo of the Single Dish FITS tape by Betty Stobie and Lorrie Morgan (1986) 
  were used to create this ReadMe file.
================================================================================
(End)                        C.-H. Joseph Lyu [Hughes STX/NASA]  22-May-1996

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