J/ApJS/97/347 Source Catalog, PMN Equatorial Survey (Griffith+ 1995)
The Parkes-MIT-NRAO (PMN) Surveys. VI. Source Catalog for the Equatorial
Survey (-9.5 deg < Dec. < +10.0 deg)
Griffith M.R., Wright A.E., Burke B.F., Ekers R.D.
<Astrophys. J. Suppl. Ser. 97, 347 (1995)>
=1995ApJS...97..347G 1995ApJS...97..347G
Abstract:
We present a catalog of radio sources discovered at a frequency of
4850 MHz in the equatorial zone (-9.5 deg < Dec. < +10 deg) of the
Parkes-MIT-NRAO (PMN) surveys. The equatorial survey covers 1.90 sr
and contains 11,774 sources to a flux limit of 40 mJy. The survey was
made using the Parkes 64 m radio telescope with the NRAO multibeam
receiver during 1990. This survey largely overlaps the 87GB survey in
the declination range +1 deg to +10 deg. The data-taking and principal
reduction methods used for the PMN surveys have been extensively
described in previous papers. In this paper, we describe the specific
details of the equatorial survey and we provide a list of sources.
Later papers in the series will describe the images made from, and
provide analysis of, the data.
Keywords: radio continuum: general -- surveys
References:
The following is a list of papers in the PMN series:
Condon, Griffith, & Wright, 1993, AJ, 106, 1095 (PAPER 4)
Griffith, et al. (37) 1991, Proc. Astr. Soc. Australia., 9, 243
Griffith, & Wright 1993, AJ, 105, 1666 (PAPER 1)
Griffith, Wright, Burke, & Ekers 1994, ApJS, 90, 179 (PAPER 3)
Griffith, Wright, Burke, & Ekers 1995, ApJS, 97, 347 (PAPER 6)
Tasker, Wright, Griffith, & Condon 1994, AJ, 107, 2115
Wright, Griffith, Burke, & Ekers, 1994, ApJS, 91, 111 (PAPER 2)
Source lists for other portions of the PMN survey can be obtained via
anonymous ftp from: ftp.atnf.csiro.au in the /pub/data/pmn area.
Questions regarding the PMN surveys may be sent via email to
Alan Wright ().
Related data:
VIII/27 : Parkes-MIT-NRAO (PMN) Surveys (Papers 1+2+3)
J/ApJS/90/173 : PMN map catalog of radiosources, Gregory et al., 1994
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table4 96 11774 Equatorial survey source list
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Byte-by-byte Description of file: table4
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Bytes Format Units Label Explanations
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1-14 A14 --- PMNJ *PMN J2000-based source name
16-17 I2 h RAh Right ascension, J2000
19-20 I2 min RAm R.A.
22-25 F4.1 s RAs R.A.
27 A1 --- DE- [- ] Sign declination
28-29 I2 deg DEd Declination, J2000
31-32 I2 arcmin DEm Dec.
34-35 I2 arcsec DEs Dec.
36-43 I8 mJy Flux 4850 MHz flux density, derived from
Fixed-Width fit (see Paper 1)
44-47 I4 mJy e_Flux *Estimated standard error in Flux
48-55 I8 mJy GFlux *[]? 4850 MHz flux density, derived from the
General-Width fit (see Paper 1)
56-59 I4 mJy e_GFlux *[]? Estimated standard error in GFlux
60-64 F5.1 --- Wid1 *[]? Semi-major axis of fitted Gaussian
65-69 F5.1 --- Wid2 *[]? Semi-minor axis of fitted Gaussian
70-76 F7.1 deg PA [0/180[? Position angle of Wid1, east of north
77-81 F5.1 --- SI *[]? Spectral index
84 A1 --- D *[N] Observation session flag
86 A1 --- X *[X] Extended source flag
88 A1 --- G *[G] Galactic plane flag
90 A1 --- Z *[ ] Zenith flag
92 A1 --- S *[S] Solar contamination flag
94 A1 --- P *[P] PKSCAT90 flag
96 A1 --- M *[M] Molonglo 408 MHz catalog flag
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Note on PMNJ:
The J2000-derived source name. The names in this list have been
derived from their J2000 coordinates, in a manner similar to that
used in the PKSCAT90 catalog (Wright & Otrupcek, 1990). The first
three letters, "PMN", denote the Parkes-MIT-NRAO survey, and the
fourth letter, "J", denotes that the equinox and equator is
J2000. The rest of the name is derived from the hours and minutes of
the right ascension and the degrees and minutes of the declination
(both J2000). For a few objects, the name (but not the source) is
duplicated: in such cases an "a" or "b" was appended to the name.
Note on e_Flux:
The estimated standard error for Flux. A standard error >99 mJy is
listed as 99 mJy because of space limitations: the accurate value
can be obtained from equation 4 in the printed paper.
Note on GFlux:
The 4850 MHz flux density derived from the General-Width fit (see
Paper 1). This was done for and is only meaningful for sources
greater than about 100 mJy.
Note on e_GFlux:
The estimated standard error for GFlux. A standard error >99 mJy is
listed as 99 mJy because of space limitations: the accurate value
can be obtained from equation 4 in the printed paper.
Note on Wid1:
The semi-major axis of the fitted Gaussian in beam widths. A value
of 1.0 = 2.1 arcmin
Note on Wid2:
The semi-minor axis of the fitted Gaussian in beam widths.
Note on SI:
The spectral index, computed between the present PMN flux densities
at 4850 MHz and the 2700 MHz flux density from PKSCAT90, for sources
common to both databases.
Note on D:
This column was used in Papers 2 and 3 to indicate the session in
which a source was observed. "J" means the June and "N" the November
session. All the observations for the equatorial survey were
conducted in November. However, this column is included to be
consistent with the previous portions of the survey.
Note on X:
An "X" indicates that the source is probably extended. This
information is only available for sources whose Fixed-Width fit
fluxes, before the application of the flux bias corrections (see
Paper 1), were stronger than 100 mJy.
Note on G:
A "G" indicates that the source lies within 10 degrees of the
Galactic plane.
Note on Z:
This column was used in Paper 2 and 3 to indicate a weaker source
that was observed near the Parkes telescope's zenith (Decl. -33
deg). The equatorial survey lay far from the zenith. However, we
include this column to be consistent with the format of previous
portions of the survey.
Note on S:
An "S" indicates that the source lies within 5 degrees of solar
contamination from the telescope's sidelobes and the data listed
may be of lower quality.
Note on P:
A "P" indicates that this source lies within 2' of a source listed
in the PKSCAT90 database and is probably the same object.
Note on M:
An "M" indicates that this source lies within 2' of a source listed
in the Molonglo 408 MHz catalog (Large et al. 1981, MNRAS, 194, 693)
and is probably the same object.
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Origin: AAS CD-ROM series, Volume 4, 1995 Lee Brotzman [ADS] 08-May-95
(End) [CDS] 12-Jul-1995