NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-05-20 T16:18:53 PDT
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Spectral Energy Distribution (SED) for 4C +11.28:

9 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 0.170 ... Jy 5.00E+09 1.70E-01 ... Jy Broad-band 1990PKS90.C...0000W 1
2 2700 MHz 0.350 ... Jy 2.70E+09 3.50E-01 ... Jy Broad-band 1990PKS90.C...0000W 2
3 1410 MHz 1.100 ... Jy 1.41E+09 1.10E+00 ... Jy Broad-band 1990PKS90.C...0000W 3
4 408 MHz 2.750 ... Jy 4.08E+08 2.75E+00 ... Jy Broad-band 1990PKS90.C...0000W 4
5 178 MHz 5.000 ... Jy 1.78E+08 5.00E+00 ... Jy Broad-band 1990PKS90.C...0000W 5
6 178 MHz 5.0 +/- 12.5% Jy 1.78E+08 5.00E+00 +/- 6.25E-01 Jy Broad-band 1967MmRAS..71...49G 6
7 80 MHz 14.00 ... Jy 8.00E+07 1.40E+01 ... Jy Broad-band 1990PKS90.C...0000W 7
8 26.3 MHz 47. +/- 8. Jy 2.63E+07 4.70E+01 +/- 8.00E+00 Jy Broad-band 1975AJ.....80..931V 8
9 22 MHz (DRAO) 76 +/- 6 Jy 2.23E+07 7.60E+01 +/- 6.00E+00 Jy Broad-band 1986A&AS...65..485R 9


Detailed Information for Each Entry

 No. 1
Reference Code : 1990PKS90.C...0000W
Freq. targeted : 5000 MHz            
Measurement    :  0.170       Jy                   = 1.70E-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: 08 30 34.1      +11 38 10 (B1950)
Spatial mode   : Integrated from scans
Notes          : Homogenized from new and previously published data
Qualifiers     :                                         

No. 2 Reference Code : 1990PKS90.C...0000W Freq. targeted : 2700 MHz Measurement : 0.350 Jy = 3.50E-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: 08 30 34.1 +11 38 10 (B1950) Spatial mode : Integrated from scans Notes : Homogenized from new and previously published data Qualifiers :
No. 3 Reference Code : 1990PKS90.C...0000W Freq. targeted : 1410 MHz Measurement : 1.100 Jy = 1.10E-26 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: 08 30 34.1 +11 38 10 (B1950) Spatial mode : Integrated from scans Notes : Homogenized from new and previously published data Qualifiers :
No. 4 Reference Code : 1990PKS90.C...0000W Freq. targeted : 408 MHz Measurement : 2.750 Jy = 2.75E-26 W m^-2^ Hz^-1^ Uncertainty : Jy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 408 MHz (OBS )= 4.08E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 08 30 34.1 +11 38 10 (B1950) Spatial mode : Integrated from scans Notes : Homogenized from new and previously published data Qualifiers :
No. 5 Reference Code : 1990PKS90.C...0000W Freq. targeted : 178 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. : 178 MHz (OBS )= 1.78E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 08 30 34.1 +11 38 10 (B1950) Spatial mode : Integrated from scans Notes : Homogenized from new and previously published data Qualifiers :
No. 6 Reference Code : 1967MmRAS..71...49G Freq. targeted : 178 MHz Measurement : 5.0 Jy = 5.00E-26 W m^-2^ Hz^-1^ Uncertainty : 12.5% Jy = 6.25E-27 Significance : uncertainty Freq or Vel. : 178 MHz (OBS )= 1.78E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 083035.9 +113912 (B1950) Spatial mode : Integrated from scans Notes : From new raw data; Uncorrected for known sources in beam Qualifiers :
No. 7 Reference Code : 1990PKS90.C...0000W Freq. targeted : 80 MHz Measurement : 14.00 Jy = 1.40E-25 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: 08 30 34.1 +11 38 10 (B1950) Spatial mode : Integrated from scans Notes : Homogenized from new and previously published data Qualifiers :
No. 8 Reference Code : 1975AJ.....80..931V Freq. targeted : 26.3 MHz Measurement : 47. Jy = 4.70E-25 W m^-2^ Hz^-1^ Uncertainty : 8. Jy = 8.00E-26 Significance : uncertainty Freq or Vel. : 26.3 MHz (OBS )= 2.63E+07 Hz Frequency mode : Broad-band measurement Coord. targeted: 083054. +120300. (B1950) Spatial mode : Integrated from scans; Beam filling or dilution corrected Notes : From new raw data Qualifiers :
No. 9 Reference Code : 1986A&AS...65..485R Freq. targeted : 22 MHz (DRAO) Measurement : 76 Jy = 7.60E-25 W m^-2^ Hz^-1^ Uncertainty : 6 Jy = 6.00E-26 Significance : uncertainty Freq or Vel. : 22.25 MHz (OBS )= 2.23E+07 Hz Frequency mode : Broad-band measurement Coord. targeted: 08 30 35.9 +11 39 12 (B1950) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :

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