NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-08-19 T02:34:24 PDT
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Spectral Energy Distribution (SED) for B2 0301+25:

10 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 33 GHz (VSA) 30.0 +/- 2.9 milliJy 3.30E+10 3.00E-02 +/- 2.90E-03 Jy Broad-band 4% flux calibration uncertainty 2005MNRAS.360..340C 1
2 30 GHz (OCRA-p) 45.6 +/- 5.2 milliJy 3.00E+10 4.56E-02 +/- 5.20E-03 Jy Broad-band 2010MNRAS.406.1853G 2
3 15.2 GHz (RT) 0.0551 ... Jy 1.52E+10 5.51E-02 ... Jy Broad-band 2010MNRAS.404.1005W 3
4 8.4 GHz (VLA) 55.5 ... milliJy 8.40E+09 5.55E-02 ... Jy Broad-band 2007ApJS..171...61H 4
5 4.85 GHz 123 +/- 17 milliJy 4.85E+09 1.23E-01 +/- 1.70E-02 Jy Broad-band 1991ApJS...75.1011G 5
6 4.85 GHz 122 +/- 15 % milliJy 4.85E+09 1.22E-01 +/- 1.83E-02 Jy Broad-band 1991ApJS...75....1B 6
7 4830 MHz (NRAO) 120 ... milliJy 4.83E+09 1.20E-01 ... Jy Broad-band S/N = 20 1990ApJS...74..129G 7
8 408 MHz 0.498 +/- 0.072 Jy 4.08E+08 4.98E-01 +/- 7.20E-02 Jy Broad-band 1972A&AS....7....1C 8
9 365 MHz (Texas) 0.532 +/- 0.053 Jy 3.65E+08 5.32E-01 +/- 5.30E-02 Jy Broad-band Model:D;MFlag:+;EFlag:+;LFlag:+. 1996AJ....111.1945D 9
10 74 MHz (VLA) 1.33 +/- 0.16 Jy 7.38E+07 1.33E+00 +/- 1.60E-01 Jy Broad-band Corrected for clean bias 2007AJ....134.1245C 10


Detailed Information for Each Entry

 No. 1
Reference Code : 2005MNRAS.360..340C
Freq. targeted : 33 GHz (VSA)        
Measurement    :  30.0        milliJy              = 3.00E-28 W m^-2^ Hz^-1^
Uncertainty    :  2.9         milliJy              = 2.90E-29
Significance   : 1 sigma
Freq or Vel.   :       33     GHz          (OBS   )= 3.30E+10 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 03 03 59.5      +25 31 35 (J2000)
Spatial mode   : Flux integrated from map
Notes          : From new raw data
Qualifiers     : 4% flux calibration uncertainty         

No. 2 Reference Code : 2010MNRAS.406.1853G Freq. targeted : 30 GHz (OCRA-p) Measurement : 45.6 milliJy = 4.56E-28 W m^-2^ Hz^-1^ Uncertainty : 5.2 milliJy = 5.20E-29 Significance : uncertainty Freq or Vel. : 30 GHz (OBS )= 3.00E+10 Hz Frequency mode : Broad-band measurement Coord. targeted: 03 03 59.56 +25 31 34.2 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 3 Reference Code : 2010MNRAS.404.1005W Freq. targeted : 15.2 GHz (RT) Measurement : 0.0551 Jy = 5.51E-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: 03 03 59.6 +25 31 34 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 4 Reference Code : 2007ApJS..171...61H Freq. targeted : 8.4 GHz (VLA) Measurement : 55.5 milliJy = 5.55E-28 W m^-2^ Hz^-1^ Uncertainty : milliJy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 8.4 GHz (OBS )= 8.40E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 03 03 59.56 +25 31 31.6 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 5 Reference Code : 1991ApJS...75.1011G Freq. targeted : 4.85 GHz Measurement : 123 milliJy = 1.23E-27 W m^-2^ Hz^-1^ Uncertainty : 17 milliJy = 1.70E-28 Significance : rms noise Freq or Vel. : 4.85 GHz (OBS )= 4.85E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 030102.2 +251952 (B1950) Spatial mode : Modelled datum Notes : From new raw data; Corrected for contaminating sources Qualifiers :
No. 6 Reference Code : 1991ApJS...75....1B Freq. targeted : 4.85 GHz Measurement : 122 milliJy = 1.22E-27 W m^-2^ Hz^-1^ Uncertainty : 15 % milliJy = 1.83E-28 Significance : uncertainty Freq or Vel. : 4.85 GHz (OBS )= 4.85E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 030102.3 +251952 (B1950) Spatial mode : Peak flux Notes : From new raw data; Corrected for contaminating sources Qualifiers :
No. 7 Reference Code : 1990ApJS...74..129G Freq. targeted : 4830 MHz (NRAO) Measurement : 120 milliJy = 1.20E-27 W m^-2^ Hz^-1^ Uncertainty : milliJy = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 4830 MHz (OBS )= 4.83E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 03 03 59.5 +25 30 56 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : S/N = 20
No. 8 Reference Code : 1972A&AS....7....1C Freq. targeted : 408 MHz Measurement : 0.498 Jy = 4.98E-27 W m^-2^ Hz^-1^ Uncertainty : 0.072 Jy = 7.20E-28 Significance : internal error Freq or Vel. : 408 MHz (OBS )= 4.08E+08 Hz Frequency mode : Broad-band measurement; peak value reported Coord. targeted: 030102.3 +252036. (B1950) Spatial mode : Peak flux Notes : From new raw data Qualifiers :
No. 9 Reference Code : 1996AJ....111.1945D Freq. targeted : 365 MHz (Texas) Measurement : 0.532 Jy = 5.32E-27 W m^-2^ Hz^-1^ Uncertainty : 0.053 Jy = 5.30E-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: 030103.019 251950.98 (B1950) Spatial mode : Integrated from scans Notes : From new raw data Qualifiers : Model:D;MFlag:+;EFlag:+;LFlag:+.
No. 10 Reference Code : 2007AJ....134.1245C Freq. targeted : 74 MHz (VLA) Measurement : 1.33 Jy = 1.33E-26 W m^-2^ Hz^-1^ Uncertainty : 0.16 Jy = 1.60E-27 Significance : rms uncertainty Freq or Vel. : 73.8 MHz (OBS )= 7.38E+07 Hz Frequency mode : Broad-band measurement Coord. targeted: 03 03 59.38 +25 31 27.5 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Corrected for clean bias

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