NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-08-22 T20:42:37 PDT
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Spectral Energy Distribution (SED) for B2 2224+28:

2 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.
1 408 MHz 0.345 +/- 0.07 Jy 4.08E+08 3.45E-01 +/- 7.00E-02 Jy Broad-band 1972A&AS....7....1C 1
2 365 MHz (Texas) 0.363 +/- 0.062 Jy 3.65E+08 3.63E-01 +/- 6.20E-02 Jy Broad-band Model:D;MFlag:+;EFlag:+;LFlag:W. 1996AJ....111.1945D 2


Detailed Information for Each Entry

 No. 1
Reference Code : 1972A&AS....7....1C
Freq. targeted : 408 MHz             
Measurement    :  0.345       Jy                   = 3.45E-27 W m^-2^ Hz^-1^
Uncertainty    :  0.07        Jy                   = 7.00E-28
Significance   : internal error
Freq or Vel.   : 408          MHz          (OBS   )= 4.08E+08 Hz
Frequency mode : Broad-band measurement; peak value reported
Coord. targeted: 222453.6        +284418. (B1950)
Spatial mode   : Peak flux
Notes          : From new raw data
Qualifiers     :                                         

No. 2 Reference Code : 1996AJ....111.1945D Freq. targeted : 365 MHz (Texas) Measurement : 0.363 Jy = 3.63E-27 W m^-2^ Hz^-1^ Uncertainty : 0.062 Jy = 6.20E-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: 222450.003 284331.58 (B1950) Spatial mode : Integrated from scans Notes : From new raw data Qualifiers : Model:D;MFlag:+;EFlag:+;LFlag:W.

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