NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-08-17 T18:48:00 PDT
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Spectral Energy Distribution (SED) for B2 0303+26:

6 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) 1.9 +/- 2.1 milliJy 3.00E+10 1.90E-03 +/- 2.10E-03 Jy Broad-band 2010MNRAS.406.1853G 1
2 15.2 GHz (RT) 0.0091 ... Jy 1.52E+10 9.10E-03 ... Jy Broad-band 2010MNRAS.404.1005W 2
3 4.85 GHz 28 +/- 15 % milliJy 4.85E+09 2.80E-02 +/- 4.20E-03 Jy Broad-band 1991ApJS...75....1B 3
4 4.85 GHz 30 +/- 6 milliJy 4.85E+09 3.00E-02 +/- 6.00E-03 Jy Broad-band 1991ApJS...75.1011G 4
5 408 MHz 0.352 +/- 0.07 Jy 4.08E+08 3.52E-01 +/- 7.00E-02 Jy Broad-band 1972A&AS....7....1C 5
6 365 MHz (Texas) 0.288 +/- 0.021 Jy 3.65E+08 2.88E-01 +/- 2.10E-02 Jy Broad-band Model:P;MFlag:+;EFlag:+;LFlag:+. 1996AJ....111.1945D 6


Detailed Information for Each Entry

 No. 1
Reference Code : 2010MNRAS.406.1853G
Freq. targeted : 30 GHz (OCRA-p)     
Measurement    :  1.9         milliJy              = 1.90E-29 W m^-2^ Hz^-1^
Uncertainty    :  2.1         milliJy              = 2.10E-29
Significance   : uncertainty
Freq or Vel.   :         30   GHz          (OBS   )= 3.00E+10 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 03 06 32.73     +26 27 26.3 (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 : 0.0091 Jy = 9.10E-29 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: 03 06 32.7 +26 27 27 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 3 Reference Code : 1991ApJS...75....1B Freq. targeted : 4.85 GHz Measurement : 28 milliJy = 2.80E-28 W m^-2^ Hz^-1^ Uncertainty : 15 % milliJy = 4.20E-29 Significance : uncertainty Freq or Vel. : 4.85 GHz (OBS )= 4.85E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 030335.0 +261545 (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 : 30 milliJy = 3.00E-28 W m^-2^ Hz^-1^ Uncertainty : 6 milliJy = 6.00E-29 Significance : rms noise Freq or Vel. : 4.85 GHz (OBS )= 4.85E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 030334.9 +261549 (B1950) Spatial mode : Modelled datum Notes : From new raw data; Corrected for contaminating sources Qualifiers :
No. 5 Reference Code : 1972A&AS....7....1C Freq. targeted : 408 MHz Measurement : 0.352 Jy = 3.52E-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: 030335.3 +261612. (B1950) Spatial mode : Peak flux Notes : From new raw data Qualifiers :
No. 6 Reference Code : 1996AJ....111.1945D Freq. targeted : 365 MHz (Texas) Measurement : 0.288 Jy = 2.88E-27 W m^-2^ Hz^-1^ Uncertainty : 0.021 Jy = 2.10E-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: 030334.707 261551.89 (B1950) Spatial mode : Integrated from scans Notes : From new raw data Qualifiers : Model:P;MFlag:+;EFlag:+;LFlag:+.

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