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Date and Time of the Query: 2019-08-23 T05:17:25 PDT
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Spectral Energy Distribution (SED) for 4C +22.38:

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 0.250 ... Jy 5.00E+09 2.50E-01 ... Jy Broad-band 1990PKS90.C...0000W 1
2 4.85 GHz 237 +/- 32 milliJy 4.85E+09 2.37E-01 +/- 3.20E-02 Jy Broad-band 1991ApJS...75.1011G 2
3 4.85 GHz 234 +/- 15 % milliJy 4.85E+09 2.34E-01 +/- 3.51E-02 Jy Broad-band 1991ApJS...75....1B 3
4 4830 MHz (NRAO) 212 ... milliJy 4.83E+09 2.12E-01 ... Jy Broad-band S/N = 30 1990ApJS...72..621L 4
5 2700 MHz 0.400 ... Jy 2.70E+09 4.00E-01 ... Jy Broad-band 1990PKS90.C...0000W 5
6 1410 MHz 0.600 ... Jy 1.41E+09 6.00E-01 ... Jy Broad-band 1990PKS90.C...0000W 6
7 1.40 GHz 665 ... milliJy 1.40E+09 6.65E-01 ... Jy Broad-band 1992ApJS...79..331W 7
8 1.4GHz 769.7 +/- 24.8 milliJy 1.40E+09 7.70E-01 +/- 2.48E-02 Jy Broad-band High peak 1998AJ....115.1693C 8
9 1381 MHz (WSRT) 577.15 ... milliJy 1.38E+09 5.77E-01 ... Jy Broad-band 2010ApJ...714.1170M 9
10 408 MHz 2.341 +/- 8 % Jy 4.08E+08 2.34E+00 +/- 1.87E-01 Jy Broad-band 1974A&AS...18..147F 10
11 365 MHz (Texas) 2.456 +/- 0.098 Jy 3.65E+08 2.46E+00 +/- 9.80E-02 Jy Broad-band Model:A;MFlag:+;EFlag:+;LFlag:+. 1996AJ....111.1945D 11
12 178 MHz 5.200 ... Jy 1.78E+08 5.20E+00 ... Jy Broad-band 1990PKS90.C...0000W 12
13 178 MHz 5.2 +/- 17.5% Jy 1.78E+08 5.20E+00 +/- 9.10E-01 Jy Broad-band 1965MmRAS..69..183P 13
14 160 MHz 3.8 ... Jy 1.60E+08 3.80E+00 ... Jy Broad-band 1995AuJPh..48..143S 14
15 151 MHz 3.72 +/- 4.3 % Jy 1.51E+08 3.72E+00 +/- 1.61E-01 Jy Broad-band 1996MNRAS.282..779W 15
16 80 MHz 7.000 ... Jy 8.00E+07 7.00E+00 ... Jy Broad-band 1990PKS90.C...0000W 16
17 80 MHz 8. ... Jy 8.00E+07 8.00E+00 ... Jy Broad-band 1995AuJPh..48..143S 17
18 74 MHz (VLA) 6.40 +/- 0.67 Jy 7.38E+07 6.40E+00 +/- 6.70E-01 Jy Broad-band Corrected for clean bias 2007AJ....134.1245C 18
19 26.3 MHz 34. +/- 6. Jy 2.63E+07 3.40E+01 +/- 6.00E+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    :  0.250       Jy                   = 2.50E-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: 13 24 31.3      +23 01 12 (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 : 237 milliJy = 2.37E-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: 132430.8 +230111 (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 : 234 milliJy = 2.34E-27 W m^-2^ Hz^-1^ Uncertainty : 15 % milliJy = 3.51E-28 Significance : uncertainty Freq or Vel. : 4.85 GHz (OBS )= 4.85E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 132430.8 +230111 (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 : 212 milliJy = 2.12E-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: 13 26 55.1 +22 46 15 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : S/N = 30
No. 5 Reference Code : 1990PKS90.C...0000W Freq. targeted : 2700 MHz Measurement : 0.400 Jy = 4.00E-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: 13 24 31.3 +23 01 12 (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 : 0.600 Jy = 6.00E-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: 13 24 31.3 +23 01 12 (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 : 665 milliJy = 6.65E-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: 132430.8 +230111 (B1950) Spatial mode : Peak flux Notes : From new raw data Qualifiers :
No. 8 Reference Code : 1998AJ....115.1693C Freq. targeted : 1.4GHz Measurement : 769.7 milliJy = 7.70E-27 W m^-2^ Hz^-1^ Uncertainty : 24.8 milliJy = 2.48E-28 Significance : uncertainty Freq or Vel. : 1.40 GHz (OBS )= 1.40E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 13 26 54.89 +22 45 50.2 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : High peak
No. 9 Reference Code : 2010ApJ...714.1170M Freq. targeted : 1381 MHz (WSRT) Measurement : 577.15 milliJy = 5.77E-27 W m^-2^ Hz^-1^ Uncertainty : milliJy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 1381 MHz (OBS )= 1.38E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 13 26 55.25 +22 45 40.20 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 10 Reference Code : 1974A&AS...18..147F Freq. targeted : 408 MHz Measurement : 2.341 Jy = 2.34E-26 W m^-2^ Hz^-1^ Uncertainty : 8 % Jy = 1.87E-27 Significance : internal error Freq or Vel. : 408 MHz (OBS )= 4.08E+08 Hz Frequency mode : Broad-band measurement; peak value reported Coord. targeted: 132431.1 +230200. (B1950) Spatial mode : Peak flux Notes : From new raw data Qualifiers :
No. 11 Reference Code : 1996AJ....111.1945D Freq. targeted : 365 MHz (Texas) Measurement : 2.456 Jy = 2.46E-26 W m^-2^ Hz^-1^ Uncertainty : 0.098 Jy = 9.80E-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: 132431.263 230125.50 (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 : 5.200 Jy = 5.20E-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: 13 24 31.3 +23 01 12 (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 : 5.2 Jy = 5.20E-26 W m^-2^ Hz^-1^ Uncertainty : 17.5% Jy = 9.10E-27 Significance : uncertainty Freq or Vel. : 178 MHz (OBS )= 1.78E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 132431.8 +225654 (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 : 3.8 Jy = 3.80E-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: 132431.4 +230144. (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 : 3.72 Jy = 3.72E-26 W m^-2^ Hz^-1^ Uncertainty : 4.3 % Jy = 1.61E-27 Significance : estimated error Freq or Vel. : 151 MHz (OBS )= 1.51E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 132431.2 +230125 (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 : 1990PKS90.C...0000W Freq. targeted : 80 MHz Measurement : 7.000 Jy = 7.00E-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: 13 24 31.3 +23 01 12 (B1950) Spatial mode : Integrated from scans Notes : Homogenized from new and previously published data Qualifiers :
No. 17 Reference Code : 1995AuJPh..48..143S Freq. targeted : 80 MHz Measurement : 8. Jy = 8.00E-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: 132431.4 +230144. (B1950) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 18 Reference Code : 2007AJ....134.1245C Freq. targeted : 74 MHz (VLA) Measurement : 6.40 Jy = 6.40E-26 W m^-2^ Hz^-1^ Uncertainty : 0.67 Jy = 6.70E-27 Significance : rms uncertainty Freq or Vel. : 73.8 MHz (OBS )= 7.38E+07 Hz Frequency mode : Broad-band measurement Coord. targeted: 13 26 54.94 +22 45 54.1 (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 : 34. Jy = 3.40E-25 W m^-2^ Hz^-1^ Uncertainty : 6. Jy = 6.00E-26 Significance : uncertainty Freq or Vel. : 26.3 MHz (OBS )= 2.63E+07 Hz Frequency mode : Broad-band measurement Coord. targeted: 132500. +224300. (B1950) Spatial mode : Integrated from scans; Beam filling or dilution corrected Notes : From new raw data Qualifiers :

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