DRAO Penticton P-survey database

(as of May 1990, courtesy R.Roger & C.R.Purton)

DESCRIPTION OF POINT-SOURCE DATABASE RECORDS

The record format is as follows:

First Record:     Position        Contents

		  2-4             DRAO table number
				  (each DRAO survey is
				  assigned one or more
				  numbers)

		  6-8             Source number (in
				  given table)

		  10              Component indicator
				  ("A", "B", etc.)

		  12-13           RA (hours)

		  15-16           RA (min)

		  18-22           RA (sec) (XX.XX)

		  24-28           RA error (sec) (XX.XX)
				  (blank=unknown)

		  30              Sign of declination

		  31-32           DEC (degrees)

		  34-35           DEC (arcmin)

		  37-40           DEC (arcsec) (XX.X)

		  42-45           DEC error (arcsec)
				  (XX.X) (blank=unknown)

		  47              Epoch of coordinates
				  (1=B1950, 2=J2000,
				  3=unknown)

		  49              Type of position
				  determination
				  (1=rough estimate,
				  2=centroid, 3=peak,
				  4=fitted Gaussian,
				  5=unknown)

		  51-56           Flux #1 (variable
				  format)

		  58-62           Error in flux #1
				  (variable format,
				  may be blank)

		  64              Units for flux #1
				  (1=Jy, 2=mJy)

		  66              Type of flux #1
				  (1=total (integrated),
				  2=peak)

		  68              Type of flux
				  determination for
				  flux #1 (1=sum of
				  positive values above
				  baselevel, 2=sum of
				  values about baselevel,
				  3=fitted Gaussian,
				  4=unknown)

		  70-75           Flux #2 (variable
				  format)

		  77-81           Error in flux #2
				  (variable format,
				  may be blank)

		  83              Units for flux #2
				  (1=Jy, 2=mJy)

		  85              Type of flux #2
				  (1=total (integrated),
				  2=peak)

		  87              Type of flux
				  determination for
				  flux #2 (1=sum of
				  positive values above
				  baselevel, 2=sum of
				  values about baselevel,
				  3=fitted Gaussian,
				  4=unknown)

		  89-92           Frequency (GHz)
				  (1.42 or .408)

		  94-97           Major half-power width
				  (variable format)

		  99-102          Minor half-power width
				  (variable format)

		  104-108         Position angle (deg)
				  (variable format)

		  110             Units for widths
				  (1=arcmin, 2=arcsec)

		  112             Type of shape
				  determination (1=
				  approximate diameter
				  (minor width blank),
				  2=fitted Gaussian,
				  3=unknown)

		  114             Shape qualifier
				  (1=may be affected
				  by delay beam,
				  blank=reliable
				  estimate)

		  116-119         Date of observation
				  (years from 1900)
				  (XX.X)

		  121-130         Comments

		  131             Comment continuation
				  (non-blank and non-
				  zero if comments are
				  continued in next
				  record)


Second Record:    Position        Contents

		  1-93            Same as first record

		  94-129          Continued comments

		  131             Comment continuation
				  (non-blank and non-
				  zero if comments are
				  continued in next
				  record)

Third Record:     (same as preceding record)