VIII/5 Bright Extragalactic Radio Sources (1Jy) (Kuehr+, 1981)
Catalog of Extragalactic Radio Sources Having Flux Densities greater
than 1 Jy at 5 GHz
Kuehr H., Witzel A., Pauliny-Toth I.I.K., Nauber U.
<Astron. Astrophys. Suppl. 45, 367 (1981)>
=1981A&AS...45..367K 1981A&AS...45..367K
ADC_Keywords: Galaxies, radio ; Galaxy catalogs ; Radio sources
Abstract:
The catalog is a compilation of 518 extragalactic radio sources with
flux densities greater than 1 Jy at 5 GHz. It contains sources from
the NRAO-MPI 5-GHz Strong Source Surveys and from re-observation at
5 GHz of sources found in the Parkes 2.7-GHz surveys. All sources
were found in 9.811 sr covered by the two surveys. This is essentially
the whole sky, excluding the galactic plane (latitudes less than 10
degrees) and the Magellanic Clouds. The catalog includes radio flux
densities, radio positions, object classes, visual magnitudes,
redshifts, and spectral indices.
Introduction:
Codes for the position references are listed in this document in the
appendix. In the main file, errors are given for all radio positions,
flux densities, spectral indices, and function coefficients. See the
original paper for discussions of the completeness of the catalog, of
the compilation of the flux density data, and of the fitting of simple
analytic functions to the spectra.
The 1Jy catalog lists information on 518 objects with one to sixteen
flux density values for each source. The file sources.dat lists the
complete header information for each object. This line has been
removed from catalog.dat. There are at most four density values in
each record. Records containing fewer than four measurements are
filled with blanks on the right. The first word of the file
catalog.dat contains the id for the object.
refs.dat contains a numerically sorted list of the radio source
catalogs cited in the flux density measurement records. For each
source catalog the original reference or references (usually one, but
in one case as many as three) are listed, as well as the pertinent
characteristics of the catalog. When more than one line was needed for
a reference up to four continuation lines were used.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
sources.dat 124 518 List of the 518 sources of the sample
fluxes.dat 36 8566 The flux data for the sources
refs.dat 126 187 References
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Byte-by-byte Description of file: sources.dat
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Bytes Format Units Label Explanations
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1- 8 A8 --- 1Jy *Source name
10- 16 A7 --- 3C *3C name
18- 19 I2 h RAh Right Ascension (RA) (1950.0) hours
20- 21 I2 min RAm RA (1950.0) minutes
22- 26 F5.2 s RAs RA (1950.0) seconds
27- 31 F5.2 s e_RAs Error in RA
33 A1 --- DE- Declination sign
34- 35 I2 deg DEd Declination (DE) sign
36- 37 I2 arcmin DEm DE minutes
38- 41 F4.1 arcsec DEs DE seconds
42- 46 F5.1 arcsec e_DEs Error in DE
48- 49 A2 --- PosRef *Position reference
50- 55 F6.1 deg GLAT Galactic latitude
57- 59 A3 --- Class *Object class
60- 64 F5.1 mag Vmag *?Visual magnitude
65- 70 F6.3 --- z *?Redshift
71- 76 F6.2 --- alpha *?Spectral index
77- 80 F4.2 --- e_alpha ?Mean error on alpha
82- 84 A3 --- Fct *Function type
85- 91 F7.2 --- A *?Coefficient A
92- 97 F6.2 --- e_A ?A error
98-103 F6.2 --- B *?Coefficient B
104-107 F4.2 --- e_B ?B error
108-115 F8.2 --- C *?Coefficient C
116-121 F6.2 --- e_C ?C error
122-124 I3 --- D *?Coefficient D
--------------------------------------------------------------------------------
Note on 1Jy:
The 1Jy contains sources from the combined NRAO-MPI 5 GHz Strong
Source Survey and Parkes 2.7 GHz Surveys. This is a coordinate-based
naming system.
Note on 3C:
If the object was listed in the 3rd Cambridge Radio Catalog (Bennett
1961; 3C), then the full 3C designation is here. If not, then this
field is blank. (see e.g. 3CR Catalog VIII/1)
Note on PosRef:
The positions listed for the object come either from
radio-interferometry measurements (usually) or from the original
surveys (occasionally). This two-letter code indicates the source of
the coordinates and corresponds to those listed in the Appendix.
Note on Class:
If the object has been optically identified, this gives the class of
the object as a three character code as described in the following.
If it has not, this field is blank.
QSO = Quasar
GAL = Radio galaxy
BL = BL Lacertae object
EF = Empty field
CF = Confused field (i.e., more than one object in the field)
Note on Vmag and z:
From Veron and Veron (1979) and Kuehr (1980).
Note on alpha:
The two point spectral index . . . as determined between 2700 MHz and
5000 MHz. The spectral index is defined as alpha in
S(v) ∝ valpha.
Note on Fct, A, B, C, D:
For sources with flux density measurements at more than three
frequencies, an attempt was made to fit a simple analytic function to
the spectrum. This field contains one of four values depending on the
result of this fit:
LIN = The spectrum was successfully fitted by a straight line of
the form log(S) = A + B.log(v)
In this case, coefficients C and D are blank.
EXP = The spectrum was fitted by a function of the type
log(S) = A + B.log(v) + C.exp(D.log(v)).
All four coefficient fields contain data.
CPX = Although there were sufficient data points for the source (i.e.,
more than three) the spectrum could not be satisfactorily fitted with
either of the above functional forms. Such a spectrum was designated
complex because it would not be physically meaningful to devise some
general analytic form to fit any spectral measurements (i.e. of
variable sources whose spectra are generally complex). All four
coefficient fields are blank.
N<4 = There were data for no more than three frequencies and
consequently no fit was attempted. All coefficient fields
are blank.
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Byte-by-byte Description of file: fluxes.dat
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Bytes Format Units Label Explanations
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1- 8 A8 --- 1Jy Source name
10- 14 I5 MHz Freq Frequency
15 A1 --- --- A colon
16- 23 F8.2 Jy S *Flux density
24- 31 F8.2 Jy e_S *Flux density error
33- 35 I3 --- r_S *[1/909]? Reference number
36 A1 --- RefSuf [AB] Reference suffix
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Note on S:
All flux densities given are on the scale of Baars et al. based on the
absolute radio spectrum of Cassiopeia A (1977A&A....61...99B 1977A&A....61...99B): between
0.3 and 30 GHz it is given by a flux density
S(1GHz) = 2723Jy and a spectral index
alpha = -0.770 (epoch 1980.0).
See Kuehr et al. (1981A&AS...45..367K 1981A&AS...45..367K) for a discussion of the details
of the selection and compilation of flux densities. See also refs.dat
Note on e_S:
Flux density errors were either taken directly from the catalogue or
were calculated according to the formulae given there.
Note on r_S, RefSuf:
This is the code number for the radio source catalog from which the
particular flux density measurement came. refs.dat contains the radio
source catalogs used and their attributes, sorted by code number. In
one case the original catalog listed no source catalog and this field
is blank. One source catalog code number (number 94) has three
distinct catalogs associated with it, which are differentiated by
, A, or B in the RefSuf field. In all other cases this field is blank.
Note that RefNum values between 212 and 258 are unexplained.
--------------------------------------------------------------------------------
Byte-by-byte Description of file: refs.dat
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 3 I3 --- RefNum *[1/910]+=? Reference Number
4 A1 --- RefSuf *[AB*] Reference Suffix
5- 11 F7.1 MHz Freq ? Frequency
12- 17 F6.3 --- Factor *? Conversion factor
18- 22 F5.1 Jy FluxLim *? Flux density limit
24- 27 A4 --- Name1 *Name 1
29- 32 A4 --- Name2 *Name 2
34-126 A93 --- Text *Text of the reference
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Note on RefNum, RefSuf:
The code numbers appearing in the flux density data records. The file
is sorted on this datum. In four cases this field is blank, but the
suffix RefSuf contains an asterisk. This indicates a source catalog
not directly referenced in any flux density measurement, but which the
authors included in the Radio Source Catalogues list of the original
paper. They are included here for completeness and are the first four
source catalogs listed in this file. Code numbers 901-910 correspond
to unpublished flux densities. One code number (RefNum=94) has three
distinct source catalogs associated with it, which are differentiated
by , A, or B in this field.
An asterisk in the RefNum field indicates that the source catalog
cited was not directly referenced in any flux density measurement,
but was listed in the original paper as a source catalog.
Note that RefNum values between 212 and 258 are unexplained.
Note on Factor:
This field gives the factor used to convert the flux densities in the
catalog to the scale used (Baars et al., 1977A&A....61...99B 1977A&A....61...99B). It is a
ratio of the Baars et al. flux density scale to that of the source
catalog at the frequency specified.
Note on FluxLim:
Before the data from a given source catalog were included in this
compilation the values were checked against data on individual sources
from all other catalogs to determine reliability. If there was a
cut-off for inclusion from a specific catalog, that value is listed
here.
Note on Name1, Name2:
If the catalog has a common designation (3C, PKS, etc.), it is listed
here.
Note on Text:
The original paper or papers in which the catalog appeared. There are a
maximum of three references for a single catalog.
--------------------------------------------------------------------------------
History:
The Catalog of Extragalactic Radio Sources Having Flux Densities
Greater Than 1 Jy at 5 GHz (1Jy) was sent to the Astronomical Data
Center (ADC), NASA Goddard Space Flight Center, by the Centre de
Donnees Stellaires (CDS), and received February 10, 1986.
The original tape contained a single text file formatted in the same
manner as the published catalog; that is, with two header records per
object and with the flux density measurements arranged in ascending
order in columnar format. The two header records per object were
combined into a single record. A FORTRAN program was written to
rearrange the flux density measurements from columns into rows, so
that the data may now be read in order of ascending flux by using a
simple repeating FORTRAN format statement.
A FORTRAN program was run that checked the validity of each field
according to its data type and value. ADC personnel created a separate
file for the radio source catalogs. The data for this file were taken
from Kuehr et al. (1981).
This work was supervised by Wayne W. Warren who also wrote the
original document. To permit every line in the catalog to be read with
the same format, the undersigned removed the header lines into a
separate file (sources.dat) and entered the source id in the first
field of each record in catalog.dat. She also translated the document
from Script to ASCII and rearranged it into the current standard form
and altered the format tables appropriately.
* Modifications made at CDS, October 1996: the"fluxes" table which
contained up to four flux values per row was converted into a
normalized table.
References:
Baars, J. W. M., Genzel, R., Pauliny-Toth, I. I. K., and Witzel, A.
1977, Astron. Astrophys., 61, 99. (1977A&A....61...99B 1977A&A....61...99B)
Bennett, A. S. 1961, Mem. R. A. S., 68, 163. (1962MmRAS..68..163B 1962MmRAS..68..163B)
Kuehr, H. 1977, Astron. Astrophys. Suppl. Ser., 29, 139.
(1977A&AS...29..139K 1977A&AS...29..139K)
Kuehr, H. 1980, Ph.D. dissertation, Bonn.
Kuehr, H., Witzel, A., Pauliny-Toth, I. I. K., and Nauber, U. 1981,
Astron. Astrophys. Suppl. Ser., 45, 367-430. (1981A&AS...45..367K 1981A&AS...45..367K)
Veron, M. P. and Veron, P. 1979, Astron. Astrophys. Suppl. Ser., 36,
331. (1979A&AS...36..331V 1979A&AS...36..331V)
Appendix:
For each position given in the header records of the catalog file
there is also given a two letter code indicating the reference for
this position. Codes from AA through BL . . . denote positions
measured with a radio interferometer, whereas codes SA through SP
denote positions from the original survey instrument.
The following table defines the codes and the corresponding
references. the original survey instrument.
AA = VLA calibrator list, Johnston, K., private communication.
AB = Adgie, R. L. 1974, Astron. J., 79, 846.
AC = Adgie, R. L., Crowther, J. H., Gent, H. 1972, Mon. Not. Roy.
Astron. Soc., 159, 233.
AD = Adgie, R. L., Gent, H. 1966, Nature, 209, 549.
AE = Brandie, G. W., Bridle, A. H. 1974, Astron. J., 79, 903.
AF = Bridle, A. H., Fomalont, E. B. 1978, Astron. J., 83, 704.
AG = Brosche, P., Wade, C. M., Hjellming, R. M. 1973, Astrophys. J.,
183, 805.
AH = Cohen, M. H. 1972, Astrophys. Letters, 122, 81
AI = Cohen, A. M., Porcas, R. W., Browne, I. W. A., Daintree, E. J.,
Walsh, D. 1977, Mem. Roy. Astron. Soc., 84, 1.
AJ = Condon, J. J., Hicks, P. D., Jauncey, D. L. 1977, Astron. J., 82, 692.
AK = Condon, J. J., Jauncey, D. L., Wright, A. E., 1978, Astron. J.,
83, 1036.
AL = Douglas, J. N., Bash, F. N., Ghigo, F. D., Moseley, G. F.,
Torrence, G. W. 1973, Astron. J., 78, 1.
AM = Edwards, T., Kronberg, P. P., Menard, G. 1975, Astron. J., 80, 1005.
AN = Elsmore, B., Ryle, M. 1976, Mon. Not. Roy. Astron. Soc., 174, 411
AO = Fomalont, E. B., Moffet, A. T. 1971, Astron. J., 76, 5.
AP = Right Ascension taken from Fomalont, E. B., Moffet, A. T.
1971, Astron. J., 76, 5.
Declination taken from Bolton, J. G., Shimmins, A. J. 1973,
Austr. J. Phys. Astrophys. Suppl., 30, 1.
AQ = Frater, R. H., Watkinson, A., Retallack, D. S., Goss, W. M.
1976, Mon. Not. Roy. Astron. Soc., 176, 487.
AR = Ghigo, F. D. 1977, Astrophys. J. Suppl., 35, 359
AS = Ghigo, F. D., Owen, F. N. 1973, Astron. J., 78, 848.
AT = Grueff, G., Vigotti, M. 1975, Astron. Astrophys. Suppl. Ser., 19, 117.
AU = Gubbay, J. S. 1978, Astron. J., 83, 697.
AV = Haynes, M., Sramek, R. 1975, Astron. J., 80, 673.
AW = Hoegbom, J. A., Carlsson, I. 1974, Astron. Astrophys., 34, 341.
AX = Hoskins, D. G., Murdoch, H. S., Adgie, R. L., Crowther, J. H.,
Gent, H. 1974, Mon. Not. Roy. Astron. Soc., 166, 235.
AY = Hunstead, R. W., Lasker, B. M., Mintz, B., Smith, M. G.
1971, Austr. J. Phys., 24, 601.
AZ = Hunstead, R. W. 1972, Mon. Not. Roy. Astron. Soc., 157, 367.
BA = Hunstead, R. W., Lasker, B. M., Mintz, B., Smith, M. G.
1971, Austr. J. Phys., 24, 601.
BB = Lasker, B. M., Smith, M. G. 1974, Austr. J. Phys., 27, 13
BC = MacDonald, G. H., Kenderdine, S., Neville, Ann C. 1968,
Mon. Not. Roy. Astron. Soc., 138, 259.
BD = McEwan, N. J., Browne, I. W. A., Crowther, J. H. 1975,
Mem. Roy. Astron. Soc., 80, 1.
BE = Owen, F. N., Porcas, R. W., Neff, Susan G. 1978, Astron. J., 83, 1009.
BF = Pooley, G. G., Henbest, S. N. 1974, Mon. Not. Roy. Astron. Soc.,
176, 487.
BG = Sharp, J. R., Bash, F. N. 1975, Astron. J., 80, 335.
BH = Veron, M. P., Veron, P., Adgie, R. L., Gent, H.
1976, Astron. Astrophys., 47, 401.
BI = Wade, C. M., Miley, G. K. 1971, Astron. J., 76, 101.
BJ = Mackay, C. D. 1969, Mon. Not. Roy. Astron. Soc., 145, 31.
BK = Pauliny-Toth, I. I. K., Kellerman, K. I., Davis, M. M.,
Fomalont, E. B., Shaffer, D. B. 1972, Astron. J., 77, 265.
BL = NRAO interferometer positions, unpublished.
SA = Pauliny-Toth, I. I. K., Kellerman, K. I., Davis, M. M.,
Fomalont, E. B., Shaffer, D. B. 1972, Astron. J., 77, 265.
SB = Pauliny-Toth, I. I. K., Kellerman, K. I. 1972b, Astron. J., 77, 797.
SC = Pauliny-Toth, I. I. K., Witzel, A., Preub, E., Kuehr, H., Kellerman,
K. I., Fomalont, E. B., Davis, M. M. 1978, Astron. J., 83, 451.
SD = Kuehr, H., Pauliny-Toth, I. I. K., Witzel, A., Schmidt J.
1980, Astron. J., (submitted).
SE = Wall, J. V., Cannon, R. D. 1973, Austr. J. Phys. Astrophys. Suppl.,
31, 1.
SE = Wall, J. V., Cannon, R. D. 1973, Austr. J. Phys. Astrophys. Suppl.,
SE = Wall, J. V., Cannon, R. D. 1973, Austr. J. Phys. Astrophys. Suppl.,
31, 1.
SF = Shimmins, A. J., Bolton, J. G. 1972b, Austr. J. Phys.
Astrophys. Suppl., 26, 1.
SG = Bolton, J. G., Shimmins, A. J. 1973, Austr. J. Phys.
Astrophys. Suppl., 30, 1.
SH = Shimmins, A. J., Bolton, J. G. 1974, Austr. J. Phys.
Astrophys. Suppl., 32, 1.
SI = Bolton, J. G., Shimmins, A. J., Wall, J. V. 1975, Austr. J.
Phys. Astrophys. Suppl., 34, 1.
SJ = Bolton, J. G., Butler, P. W. 1975, Austr. J. Phys. Astrophys.
Suppl., 34, 33.
SK = Wall, J. V., Shimmins, A. J., Bolton, J. G. 1975, Austr. J.
Phys. Astrophys. Suppl., 34, 55.
SL = Wall, J. V., Wright, A. E., Bolton, J. G. 1976, Austr. J.
Phys. Astrophys. Suppl., 39, 1.
SM = Wright, A. E., Savage, A., Bolton, J. G. 1977, Austr. J. Phys.
Astrophys. Suppl., 41, 1.
SN = Savage, A., Wright, A. E., Bolton, J. G. 1977, Austr. J. Phys.
Astrophys. Suppl., 44, 1.
SO = Bolton, J. G., Wright, A. E., Savage, A. 1979, Austr. J. Phys.
Astrophys. Suppl., 46, 1.
SP = Shimmins, A. J., Clarke, Margaret E., Ekers, R. D. 1966,
Austr. J. Phys., 19, 649.
(End) Nancy G. Roman [ADC/SSDOO] (July-22-1995), revised [CDS] 25-Oct-1996