J/MNRAS/294/607         7C(G) 151MHz survey of the Galactic plane (Vessey+ 1998)
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The 7C(G) survey of radio sources at 151MHz - the Galactic plane at
80deg<l<104deg and 126deg<l<180deg, for |b|<5.5deg.
       Vessey S.J., Green D.A.
      <Mon. Not. R. Astron. Soc. 294, 607 (1998)>
      =1998MNRAS.294..607V      (SIMBAD/NED BibCode)
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ADC_Keywords: Surveys ; Radio sources
Keywords: catalogues - surveys - radio continuum: general

Abstract:
    Results form a survey of the northern Galactic plane (at
    declination >=30{deg} at 151MHz made with the Cambridge Low Frequency
    Synthesis Telescope are presented. This survey is designated 7C(G) -
    i.e. the Galactic portion of the ongoing 7C surveys. This covers the
    regions 80{deg}<l<104{deg} and 126{deg}<l<180{deg}, for |b|<=5.5{deg},
    and has some coverage to |b|~9{deg}, with a resolution of
    ~70x70cosec{delta}arcsec^2^ (RAxDec). The observations, data reduction
    and calibration of this survey are described, and a catalogue of 6262
    compact sources, with a completeness limit of ~0.25Jy over most of the
    survey region, is presented. The catalogue has an rms positional
    accuracy of better than 10arcsec, and the flux densities are tied to
    the scale of Roger, Bridle & Costain (1973AJ.....78.1030R) with an
    accuracy of better than 10 per cent.

File Summary:
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  FileName        Lrecl  Records   Explanations
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ReadMe             80        .   This file
7C_G.dat           85     6262   7C(G) catalogue
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See also:
  J/A+AS/110/419 : 7C: 151MHz survey of region RA=17h, DE=+65deg (Visser+, 1995)
 J/MNRAS/282/779 : 7C: 151MHz survey of region 9-16h 20-35deg (Waldram+ 1996)
 J/MNRAS/298/637 : 7C: 151MHz survey of 3 regions (Pooley+, 1998)

Byte-by-byte Description of file: catalog.dat
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   Bytes Format Units  Label  Explanations
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   1-  2  I2    h      RAh    Beam fitted position right ascension (B1950.0) (1)
   4-  5  I2    min    RAm    Beam fitted position right ascension (B1950.0)
   7- 10  F4.1  s      RAs    Beam fitted position right ascension (B1950.0)
      12  A1    ---    DE-    Beam fitted position declination sign
  13- 14  I2    deg    DEd    Beam fitted position declination (B1950.0)
  16- 17  I2    arcmin DEm    Beam fitted position declination (B1950.0)
  19- 20  I2    arcsec DEs    Beam fitted position declination (B1950.0)
  23- 24  I2    h      RA2h   Centroid position right ascension (B1950.0) (2)
  26- 27  I2    min    RA2m   Centroid position right ascension (B1950.0)
  29- 32  F4.1  s      RA2s   Centroid position right ascension (B1950.0)
      34  A1    ---    DE2-   Centroid position declination sign
  35- 36  I2    deg    DE2d   Centroid position declination (B1950.0)
  38- 39  I2    arcmin DE2m   Centroid position declination (B1950.0)
  41- 42  I2    arcsec DE2s   Centroid position declination (B1950.0)
  45- 50  F6.2  deg    GLON   Galactic longitude of the beam-fitted position
  52- 56  F5.2  deg    GLAT   Galactic latitude of the beam-fitted position
  58- 63  F6.3  Jy     S(bf)  Beam fitted flux density (3)
  65- 70  F6.3  Jy     S(in)  Integrated flux density
  72- 75  F4.1  ---    S/N    Signal-to-noise ratio
  77- 81  F5.2  ---    Size   Extent of the source size in units of the local
                               beam area
  83- 83  I1    ---    Peaks  ? Number of individual peaks that where included
                                in the flux integration
      85  A1    ---  n_Peaks  [MC] The source is the main (M) or a component
                                    (C) peak in the integration
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Note (1): The rms accuracies are 5arcsec in RA and 7arcsec in DE
Note (2): Multiple peaks integrated together have the same centroid position
Note (3): Thew beam-fitted value is the preferred flux density unless the source
           is clearly extended, in which case the integrated flux density should
           be used.
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History: From http://www.mrao.cam.ac.uk/surveys/7C_G
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(End)                                          Patricia Bauer [CDS]  03-Apr-1998