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Date and Time of the Query: 2019-07-15 T18:58:33 PDT
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Spectral Energy Distribution (SED) for 4C +25.33:

19 Data Points
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Photometric Data --- Published and Homogenized [Frequency, Flux Density] Units

  Published UnitsHomogenized Units [Frequency, Flux Density]  
No.Observed PassbandMeasurementUncertaintyUnitsFreq (Hz)MeasurementUncertaintyUnitsModeAperture/QualifiersReference CodeNo.
1 5000 MHz 0.220 ... Jy 5.00E+09 2.20E-01 ... Jy Broad-band 1990PKS90.C...0000W 1
2 4.85 GHz 241 +/- 32 milliJy 4.85E+09 2.41E-01 +/- 3.20E-02 Jy Broad-band 1991ApJS...75.1011G 2
3 4.85 GHz 239 +/- 15 % milliJy 4.85E+09 2.39E-01 +/- 3.58E-02 Jy Broad-band 1991ApJS...75....1B 3
4 4830 MHz (NRAO) 220 ... milliJy 4.83E+09 2.20E-01 ... Jy Broad-band S/N = 31 1990ApJS...72..621L 4
5 2700 MHz 0.500 ... Jy 2.70E+09 5.00E-01 ... Jy Broad-band 1990PKS90.C...0000W 5
6 1410 MHz 0.800 ... Jy 1.41E+09 8.00E-01 ... Jy Broad-band 1990PKS90.C...0000W 6
7 1.40 GHz 790 ... milliJy 1.40E+09 7.90E-01 ... Jy Broad-band 1992ApJS...79..331W 7
8 1.4GHz 795.6 +/- 26.0 milliJy 1.40E+09 7.96E-01 +/- 2.60E-02 Jy Broad-band High peak 1998AJ....115.1693C 8
9 635 MHz 1.200 ... Jy 6.35E+08 1.20E+00 ... Jy Broad-band 1990PKS90.C...0000W 9
10 408 MHz 2.558 +/- 8 % Jy 4.08E+08 2.56E+00 +/- 2.05E-01 Jy Broad-band 1972A&AS....7....1C 10
11 365 MHz (Texas) 2.734 +/- 0.090 Jy 3.65E+08 2.73E+00 +/- 9.00E-02 Jy Broad-band Model:A;MFlag:+;EFlag:+;LFlag:+. 1996AJ....111.1945D 11
12 178 MHz 4.300 ... Jy 1.78E+08 4.30E+00 ... Jy Broad-band 1990PKS90.C...0000W 12
13 178 MHz 4.3 +/- 12.5% Jy 1.78E+08 4.30E+00 +/- 5.37E-01 Jy Broad-band 1965MmRAS..69..183P 13
14 160 MHz 6.2 ... Jy 1.60E+08 6.20E+00 ... Jy Broad-band 1995AuJPh..48..143S 14
15 151 MHz 5.64 +/- 4.5 % Jy 1.51E+08 5.64E+00 +/- 2.52E-01 Jy Broad-band 1996MNRAS.282..779W 15
16 80 MHz 6. ... Jy 8.00E+07 6.00E+00 ... Jy Broad-band 1995AuJPh..48..143S 16
17 80 MHz 5.000 ... Jy 8.00E+07 5.00E+00 ... Jy Broad-band 1990PKS90.C...0000W 17
18 74 MHz (VLA) 10.73 +/- 1.11 Jy 7.38E+07 1.07E+01 +/- 1.11E+00 Jy Broad-band Corrected for clean bias 2007AJ....134.1245C 18
19 26.3 MHz 32. +/- 7. Jy 2.63E+07 3.20E+01 +/- 7.00E+00 Jy Broad-band 1975AJ.....80..931V 19


Detailed Information for Each Entry

 No. 1
Reference Code : 1990PKS90.C...0000W
Freq. targeted : 5000 MHz            
Measurement    :  0.220       Jy                   = 2.20E-27 W m^-2^ Hz^-1^
Uncertainty    :              Jy                   = 0.00E+00
Significance   : no uncertainty reported
Freq or Vel.   :     5000     MHz          (OBS   )= 5.00E+09 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 10 30 00.0      +25 17 52 (B1950)
Spatial mode   : Integrated from scans
Notes          : Homogenized from new and previously published data
Qualifiers     :                                         

No. 2 Reference Code : 1991ApJS...75.1011G Freq. targeted : 4.85 GHz Measurement : 241 milliJy = 2.41E-27 W m^-2^ Hz^-1^ Uncertainty : 32 milliJy = 3.20E-28 Significance : rms noise Freq or Vel. : 4.85 GHz (OBS )= 4.85E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 102959.2 +251745 (B1950) Spatial mode : Modelled datum Notes : From new raw data; Corrected for contaminating sources Qualifiers :
No. 3 Reference Code : 1991ApJS...75....1B Freq. targeted : 4.85 GHz Measurement : 239 milliJy = 2.39E-27 W m^-2^ Hz^-1^ Uncertainty : 15 % milliJy = 3.58E-28 Significance : uncertainty Freq or Vel. : 4.85 GHz (OBS )= 4.85E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 102959.3 +251744 (B1950) Spatial mode : Peak flux Notes : From new raw data; Corrected for contaminating sources Qualifiers :
No. 4 Reference Code : 1990ApJS...72..621L Freq. targeted : 4830 MHz (NRAO) Measurement : 220 milliJy = 2.20E-27 W m^-2^ Hz^-1^ Uncertainty : milliJy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 4830 MHz (OBS )= 4.83E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 10 32 45.1 +25 02 35 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : S/N = 31
No. 5 Reference Code : 1990PKS90.C...0000W Freq. targeted : 2700 MHz Measurement : 0.500 Jy = 5.00E-27 W m^-2^ Hz^-1^ Uncertainty : Jy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 2700 MHz (OBS )= 2.70E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 10 30 00.0 +25 17 52 (B1950) Spatial mode : Integrated from scans Notes : Homogenized from new and previously published data Qualifiers :
No. 6 Reference Code : 1990PKS90.C...0000W Freq. targeted : 1410 MHz Measurement : 0.800 Jy = 8.00E-27 W m^-2^ Hz^-1^ Uncertainty : Jy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 1410 MHz (OBS )= 1.41E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 10 30 00.0 +25 17 52 (B1950) Spatial mode : Integrated from scans Notes : Homogenized from new and previously published data Qualifiers :
No. 7 Reference Code : 1992ApJS...79..331W Freq. targeted : 1.40 GHz Measurement : 790 milliJy = 7.90E-27 W m^-2^ Hz^-1^ Uncertainty : milliJy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 1.4 GHz (OBS )= 1.40E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 102959.3 +251744 (B1950) Spatial mode : Peak flux Notes : From new raw data Qualifiers :
No. 8 Reference Code : 1998AJ....115.1693C Freq. targeted : 1.4GHz Measurement : 795.6 milliJy = 7.96E-27 W m^-2^ Hz^-1^ Uncertainty : 26.0 milliJy = 2.60E-28 Significance : uncertainty Freq or Vel. : 1.40 GHz (OBS )= 1.40E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 10 32 44.73 +25 02 26.9 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : High peak
No. 9 Reference Code : 1990PKS90.C...0000W Freq. targeted : 635 MHz Measurement : 1.200 Jy = 1.20E-26 W m^-2^ Hz^-1^ Uncertainty : Jy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 635 MHz (OBS )= 6.35E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 10 30 00.0 +25 17 52 (B1950) Spatial mode : Integrated from scans Notes : Homogenized from new and previously published data Qualifiers :
No. 10 Reference Code : 1972A&AS....7....1C Freq. targeted : 408 MHz Measurement : 2.558 Jy = 2.56E-26 W m^-2^ Hz^-1^ Uncertainty : 8 % Jy = 2.05E-27 Significance : internal error Freq or Vel. : 408 MHz (OBS )= 4.08E+08 Hz Frequency mode : Broad-band measurement; peak value reported Coord. targeted: 102959.2 +251736. (B1950) Spatial mode : Peak flux Notes : From new raw data Qualifiers :
No. 11 Reference Code : 1996AJ....111.1945D Freq. targeted : 365 MHz (Texas) Measurement : 2.734 Jy = 2.73E-26 W m^-2^ Hz^-1^ Uncertainty : 0.090 Jy = 9.00E-28 Significance : internal error Freq or Vel. : 365 MHz (OBS )= 3.65E+08 Hz Frequency mode : Broad-band measurement; obtained by interpolation over frequency Coord. targeted: 102959.006 251753.91 (B1950) Spatial mode : Integrated from scans Notes : From new raw data Qualifiers : Model:A;MFlag:+;EFlag:+;LFlag:+.
No. 12 Reference Code : 1990PKS90.C...0000W Freq. targeted : 178 MHz Measurement : 4.300 Jy = 4.30E-26 W m^-2^ Hz^-1^ Uncertainty : Jy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 178 MHz (OBS )= 1.78E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 10 30 00.0 +25 17 52 (B1950) Spatial mode : Integrated from scans Notes : Homogenized from new and previously published data Qualifiers :
No. 13 Reference Code : 1965MmRAS..69..183P Freq. targeted : 178 MHz Measurement : 4.3 Jy = 4.30E-26 W m^-2^ Hz^-1^ Uncertainty : 12.5% Jy = 5.37E-27 Significance : uncertainty Freq or Vel. : 178 MHz (OBS )= 1.78E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 102959.2 +251754 (B1950) Spatial mode : Integrated from scans Notes : From new raw data; Uncorrected for known sources in beam Qualifiers :
No. 14 Reference Code : 1995AuJPh..48..143S Freq. targeted : 160 MHz Measurement : 6.2 Jy = 6.20E-26 W m^-2^ Hz^-1^ Uncertainty : Jy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 160 MHz (OBS )= 1.60E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 102959.7 +251834. (B1950) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 15 Reference Code : 1996MNRAS.282..779W Freq. targeted : 151 MHz Measurement : 5.64 Jy = 5.64E-26 W m^-2^ Hz^-1^ Uncertainty : 4.5 % Jy = 2.52E-27 Significance : estimated error Freq or Vel. : 151 MHz (OBS )= 1.51E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 102959.0 +251750 (B1950) Spatial mode : Flux integrated from map; Beam filling or dilution corrected Notes : From new raw data; Corrected for contaminating sources Qualifiers :
No. 16 Reference Code : 1995AuJPh..48..143S Freq. targeted : 80 MHz Measurement : 6. Jy = 6.00E-26 W m^-2^ Hz^-1^ Uncertainty : Jy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 80 MHz (OBS )= 8.00E+07 Hz Frequency mode : Broad-band measurement Coord. targeted: 102959.7 +251834. (B1950) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 17 Reference Code : 1990PKS90.C...0000W Freq. targeted : 80 MHz Measurement : 5.000 Jy = 5.00E-26 W m^-2^ Hz^-1^ Uncertainty : Jy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 80 MHz (OBS )= 8.00E+07 Hz Frequency mode : Broad-band measurement Coord. targeted: 10 30 00.0 +25 17 52 (B1950) Spatial mode : Integrated from scans Notes : Homogenized from new and previously published data Qualifiers :
No. 18 Reference Code : 2007AJ....134.1245C Freq. targeted : 74 MHz (VLA) Measurement : 10.73 Jy = 1.07E-25 W m^-2^ Hz^-1^ Uncertainty : 1.11 Jy = 1.11E-26 Significance : rms uncertainty Freq or Vel. : 73.8 MHz (OBS )= 7.38E+07 Hz Frequency mode : Broad-band measurement Coord. targeted: 10 32 44.41 +25 02 25.2 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Corrected for clean bias
No. 19 Reference Code : 1975AJ.....80..931V Freq. targeted : 26.3 MHz Measurement : 32. Jy = 3.20E-25 W m^-2^ Hz^-1^ Uncertainty : 7. Jy = 7.00E-26 Significance : uncertainty Freq or Vel. : 26.3 MHz (OBS )= 2.63E+07 Hz Frequency mode : Broad-band measurement Coord. targeted: 103018. +251100. (B1950) Spatial mode : Integrated from scans; Beam filling or dilution corrected Notes : From new raw data Qualifiers :

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