NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-08-18 T22:43:52 PDT
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Spectral Energy Distribution (SED) for B2 0938+31A:

7 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 30 GHz (OCRA-p) 7.2 +/- 3.3 milliJy 3.00E+10 7.20E-03 +/- 3.30E-03 Jy Broad-band 2010MNRAS.406.1853G 1
2 15.2 GHz (RT) 0.0200 ... Jy 1.52E+10 2.00E-02 ... Jy Broad-band Binary source 2010MNRAS.404.1005W 2
3 4.85 GHz 67 +/- 15 % milliJy 4.85E+09 6.70E-02 +/- 1.01E-02 Jy Broad-band 1991ApJS...75....1B 3
4 4.85 GHz 69 +/- 10 milliJy 4.85E+09 6.90E-02 +/- 1.00E-02 Jy Broad-band 1991ApJS...75.1011G 4
5 1.40 GHz 167 ... milliJy 1.40E+09 1.67E-01 ... Jy Broad-band 1992ApJS...79..331W 5
6 408 MHz 0.500 +/- 0.05 Jy 4.08E+08 5.00E-01 +/- 5.00E-02 Jy Broad-band 1970A&AS....1..281C 6
7 151 MHz 0.93 +/- 8.2 % Jy 1.51E+08 9.30E-01 +/- 7.62E-02 Jy Broad-band 1996MNRAS.282..779W 7


Detailed Information for Each Entry

 No. 1
Reference Code : 2010MNRAS.406.1853G
Freq. targeted : 30 GHz (OCRA-p)     
Measurement    :  7.2         milliJy              = 7.20E-29 W m^-2^ Hz^-1^
Uncertainty    :  3.3         milliJy              = 3.30E-29
Significance   : uncertainty
Freq or Vel.   :         30   GHz          (OBS   )= 3.00E+10 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 09 41 03.32     +31 26 20.1 (J2000)
Spatial mode   : Flux integrated from map
Notes          : From new raw data
Qualifiers     :                                         

No. 2 Reference Code : 2010MNRAS.404.1005W Freq. targeted : 15.2 GHz (RT) Measurement : 0.0200 Jy = 2.00E-28 W m^-2^ Hz^-1^ Uncertainty : Jy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 15.2 GHz (OBS )= 1.52E+10 Hz Frequency mode : Broad-band measurement Coord. targeted: 09 41 03.3 +31 26 20 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Binary source
No. 3 Reference Code : 1991ApJS...75....1B Freq. targeted : 4.85 GHz Measurement : 67 milliJy = 6.70E-28 W m^-2^ Hz^-1^ Uncertainty : 15 % milliJy = 1.01E-28 Significance : uncertainty Freq or Vel. : 4.85 GHz (OBS )= 4.85E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 093806.7 +313957 (B1950) Spatial mode : Peak flux Notes : From new raw data; Corrected for contaminating sources Qualifiers :
No. 4 Reference Code : 1991ApJS...75.1011G Freq. targeted : 4.85 GHz Measurement : 69 milliJy = 6.90E-28 W m^-2^ Hz^-1^ Uncertainty : 10 milliJy = 1.00E-28 Significance : rms noise Freq or Vel. : 4.85 GHz (OBS )= 4.85E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 093806.5 +313956 (B1950) Spatial mode : Modelled datum Notes : From new raw data; Corrected for contaminating sources Qualifiers :
No. 5 Reference Code : 1992ApJS...79..331W Freq. targeted : 1.40 GHz Measurement : 167 milliJy = 1.67E-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: 093806.7 +313957 (B1950) Spatial mode : Peak flux Notes : From new raw data Qualifiers :
No. 6 Reference Code : 1970A&AS....1..281C Freq. targeted : 408 MHz Measurement : 0.500 Jy = 5.00E-27 W m^-2^ Hz^-1^ Uncertainty : 0.05 Jy = 5.00E-28 Significance : internal error Freq or Vel. : 408 MHz (OBS )= 4.08E+08 Hz Frequency mode : Broad-band measurement; peak value reported Coord. targeted: 093803.9 +314012. (B1950) Spatial mode : Peak flux Notes : From new raw data Qualifiers :
No. 7 Reference Code : 1996MNRAS.282..779W Freq. targeted : 151 MHz Measurement : 0.93 Jy = 9.30E-27 W m^-2^ Hz^-1^ Uncertainty : 8.2 % Jy = 7.62E-28 Significance : estimated error Freq or Vel. : 151 MHz (OBS )= 1.51E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 093805.9 +313956 (B1950) Spatial mode : Flux integrated from map; Beam filling or dilution corrected Notes : From new raw data; Corrected for contaminating sources Qualifiers :

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