NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-08-25 T08:22:57 PDT
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Spectral Energy Distribution (SED) for B3 1539+409:

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 30 GHz (OCRA-p) 4.4 +/- 1.0 milliJy 3.00E+10 4.40E-03 +/- 1.00E-03 Jy Broad-band 2010MNRAS.406.1853G 1
2 15.2 GHz (RT) 0.0100 ... Jy 1.52E+10 1.00E-02 ... Jy Broad-band Binary source 2010MNRAS.404.1005W 2
3 4.85 GHz 40 +/- 15 % milliJy 4.85E+09 4.00E-02 +/- 6.00E-03 Jy Broad-band 1991ApJS...75....1B 3
4 4.85 GHz 41 +/- 7 milliJy 4.85E+09 4.10E-02 +/- 7.00E-03 Jy Broad-band 1991ApJS...75.1011G 4
5 1.4GHz 160.7 +/- 5.3 milliJy 1.40E+09 1.61E-01 +/- 5.30E-03 Jy Broad-band High peak 1998AJ....115.1693C 5
6 1.40 GHz 130 ... milliJy 1.40E+09 1.30E-01 ... Jy Broad-band 1992ApJS...79..331W 6
7 408 MHz 0.61 +/- 0.02 Jy 4.08E+08 6.10E-01 +/- 2.34E-02 Jy Broad-band 1985A&AS...59..255F 7
8 365 MHz (Texas) 0.639 +/- 0.045 Jy 3.65E+08 6.39E-01 +/- 4.50E-02 Jy Broad-band Model:D;MFlag:+;EFlag:+;LFlag:+. 1996AJ....111.1945D 8
9 74 MHz (VLA) 3.30 +/- 0.34 Jy 7.38E+07 3.30E+00 +/- 3.40E-01 Jy Broad-band Corrected for clean bias 2007AJ....134.1245C 9


Detailed Information for Each Entry

 No. 1
Reference Code : 2010MNRAS.406.1853G
Freq. targeted : 30 GHz (OCRA-p)     
Measurement    :  4.4         milliJy              = 4.40E-29 W m^-2^ Hz^-1^
Uncertainty    :  1.0         milliJy              = 1.00E-29
Significance   : uncertainty
Freq or Vel.   :         30   GHz          (OBS   )= 3.00E+10 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 15 41 07.17     +40 49 17.2 (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 : 0.0100 Jy = 1.00E-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: 15 41 07.2 +40 49 17 (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 : 40 milliJy = 4.00E-28 W m^-2^ Hz^-1^ Uncertainty : 15 % milliJy = 6.00E-29 Significance : uncertainty Freq or Vel. : 4.85 GHz (OBS )= 4.85E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 153920.0 +405840 (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 : 41 milliJy = 4.10E-28 W m^-2^ Hz^-1^ Uncertainty : 7 milliJy = 7.00E-29 Significance : rms noise Freq or Vel. : 4.85 GHz (OBS )= 4.85E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 153920.5 +405849 (B1950) Spatial mode : Modelled datum Notes : From new raw data; Corrected for contaminating sources Qualifiers :
No. 5 Reference Code : 1998AJ....115.1693C Freq. targeted : 1.4GHz Measurement : 160.7 milliJy = 1.61E-27 W m^-2^ Hz^-1^ Uncertainty : 5.3 milliJy = 5.30E-29 Significance : uncertainty Freq or Vel. : 1.40 GHz (OBS )= 1.40E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 15 41 6.48 +40 49 14.4 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : High peak
No. 6 Reference Code : 1992ApJS...79..331W Freq. targeted : 1.40 GHz Measurement : 130 milliJy = 1.30E-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: 153920.0 +405840 (B1950) Spatial mode : Peak flux Notes : From new raw data Qualifiers :
No. 7 Reference Code : 1985A&AS...59..255F Freq. targeted : 408 MHz Measurement : 0.61 Jy = 6.10E-27 W m^-2^ Hz^-1^ Uncertainty : 0.02 Jy = 2.34E-28 Significance : rms uncertainty Freq or Vel. : 408 MHz (OBS )= 4.08E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: 15 39 20.4 40 58 55 (B1950) Spatial mode : Total flux Notes : From new raw data Qualifiers :
No. 8 Reference Code : 1996AJ....111.1945D Freq. targeted : 365 MHz (Texas) Measurement : 0.639 Jy = 6.39E-27 W m^-2^ Hz^-1^ Uncertainty : 0.045 Jy = 4.50E-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: 153920.093 405846.90 (B1950) Spatial mode : Integrated from scans Notes : From new raw data Qualifiers : Model:D;MFlag:+;EFlag:+;LFlag:+.
No. 9 Reference Code : 2007AJ....134.1245C Freq. targeted : 74 MHz (VLA) Measurement : 3.30 Jy = 3.30E-26 W m^-2^ Hz^-1^ Uncertainty : 0.34 Jy = 3.40E-27 Significance : rms uncertainty Freq or Vel. : 73.8 MHz (OBS )= 7.38E+07 Hz Frequency mode : Broad-band measurement Coord. targeted: 15 41 06.16 +40 49 12.2 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Corrected for clean bias

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