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KUEHR: Help

KUEHR - Extragalactic Radio Sources


Overview

This 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.

Catalog Bibcode

1981A&AS...45..367K

References

Kuehr, H., et al. 1981, A&AS, 45, 367.

Parameters

BII
Galactic latitude in degrees.

Class
Class is a 4-digit code indicating the BROWSE object classification.

Coeff_A
Coefficient in the fitted function y = A + Bx or y = A + Bx + Cexp(Dx). Coeff A Error is associated error in the A coefficient in fitted function.

Coeff_A_Error
Error in Coefficient A

Coeff_B
Coefficient in the fitted function y = A + Bx or y = A + Bx + Cexp(Dx). Coeff B Error is associated error in the B coefficient in fitted function.

Coeff_B_Error
Error in Coefficient B

Coeff_C
Coefficient in the fitted function y = A + Bx or y = A + Bx + Cexp(Dx). Coeff C Error is associated error in the C coefficient in fitted function.

Coeff_C_Error
Error in Coefficient C

Coeff_D
Coefficient in the fitted function y = A + Bx or y = A + Bx + Cexp(Dx).

Dec
Declination for the source.

Flux_Radio
Flux Density

Flux_Radio_Error
Flux Density Error

Frequency
Frequency in MHz.

Function_Type
A simple analytic function fit to the spectra for sources with flux density measurements made at more than three frequencies. Function types are as follows:

  LIN - A straight line of the form y = A + Bx.

  EXP - Function of the type y = A + Bx + Cexp(Dx).

  CPX - Not satisfactorily fit.

  N<4 - Data for no more than three frequencies. No fit attempted.
  

LII
Galactic longitude in degrees.

Name
Source name. This is a coordinate-based naming system.

Name_3c
3C Catalog Name (when available)

Pos_Ref
Position reference code. Two-letter code indicates the source of the coordinates as follows:

  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, 109, 549.
  AE Brandie, G.W., Bridle, A.H. 1974, Astron.J., 79, 903.
  AF Bridle, A.H., Formalont, 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., Retallac, D.S., Goss, W.M. 1976, Mon.Not.Roy.
     Astron.Soc., 176, 487.
  AR Ghigo, F.D. 1977, Astrophys.J.Suppl.Ser., 19, 117.
  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, Astr.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, Astr.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.Astro.
     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 Kuehn, 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.
  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.
  
Codes AA through BL denote positions measured with radio interferometry. Codes SA through SP denote positions measured with original survey instrument.

RA
Right Ascension for the source.

Redshift
Redshift from Veron and Veron (1979) and Kuehr (1980).

Ref_Number
Code number for the radio source catalog from which the particular flux density measurement came. The key to the reference number code is available from the HEASARC. The reference number suffix is associated with source catalog code number 94 which has three distinct catalogs associated with it and which are differentiated by either a blank space or letters "A" or "B". The key to the reference number/suffix code is available from the HEASARC.

Ref_Number_Suffix
Suffix on Reference Number

Spectral_Index
Two-point spectral index as determined between 2700 MHz and 5000 MHz. The spectral index is defined as b, where flux density is assumed proportional to v^b. Spectral index error is the associated error.

Spectral_Index_Error
Spectral Index Error

Vmag
Visual magnitude from Veron and Veron (1979) and Kuehr (1980).


Contact Person

Questions regarding the KUEHR database table can be addressed to the HEASARC User Hotline.
If you have any problems, please consult the help page or mail ledas-help@star.le.ac.uk
 
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