NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-08-21 T15:50:34 PDT
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Spectral Energy Distribution (SED) for B2 0258+25B:

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 30 GHz (OCRA-p) 10.1 +/- 2.4 milliJy 3.00E+10 1.01E-02 +/- 2.40E-03 Jy Broad-band 2010MNRAS.406.1853G 1
2 15.7 GHz (AMI) 22.70 +/- 1.26 milliJy 1.57E+10 2.27E-02 +/- 1.26E-03 Jy Broad-band Major=41.7"; Minor=0.0"; PA=48.1 deg 2011MNRAS.415.2708A 2
3 15.2 GHz (RT) 0.0180 ... Jy 1.52E+10 1.80E-02 ... Jy Broad-band 2010MNRAS.404.1005W 3
4 4.85 GHz 84 +/- 15 % milliJy 4.85E+09 8.40E-02 +/- 1.26E-02 Jy Broad-band 1991ApJS...75....1B 4
5 4.85 GHz 87 +/- 12 milliJy 4.85E+09 8.70E-02 +/- 1.20E-02 Jy Broad-band 1991ApJS...75.1011G 5
6 4830 MHz (NRAO) 70 ... milliJy 4.83E+09 7.00E-02 ... Jy Broad-band S/N = 9 1990ApJS...74..129G 6
7 1.40 GHz 339 ... milliJy 1.40E+09 3.39E-01 ... Jy Broad-band 1992ApJS...79..331W 7
8 408 MHz 0.996 +/- 0.08 Jy 4.08E+08 9.96E-01 +/- 8.00E-02 Jy Broad-band 1972A&AS....7....1C 8
9 365 MHz (Texas) 1.038 +/- 0.070 Jy 3.65E+08 1.04E+00 +/- 7.00E-02 Jy Broad-band Model:D;MFlag:+;EFlag:+;LFlag:+. 1996AJ....111.1945D 9
10 74 MHz (VLA) 2.85 +/- 0.36 Jy 7.38E+07 2.85E+00 +/- 3.60E-01 Jy Broad-band Corrected for clean bias 2007AJ....134.1245C 10


Detailed Information for Each Entry

 No. 1
Reference Code : 2010MNRAS.406.1853G
Freq. targeted : 30 GHz (OCRA-p)     
Measurement    :  10.1        milliJy              = 1.01E-28 W m^-2^ Hz^-1^
Uncertainty    :  2.4         milliJy              = 2.40E-29
Significance   : uncertainty
Freq or Vel.   :         30   GHz          (OBS   )= 3.00E+10 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 03 01 37.19     +25 41 56.2 (J2000)
Spatial mode   : Flux integrated from map
Notes          : From new raw data
Qualifiers     :                                         

No. 2 Reference Code : 2011MNRAS.415.2708A Freq. targeted : 15.7 GHz (AMI) Measurement : 22.70 milliJy = 2.27E-28 W m^-2^ Hz^-1^ Uncertainty : 1.26 milliJy = 1.26E-29 Significance : uncertainty Freq or Vel. : 15.7 GHz (OBS )= 1.57E+10 Hz Frequency mode : Broad-band measurement Coord. targeted: 03 01 37.3 +25 41 54 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Major=41.7"; Minor=0.0"; PA=48.1 deg
No. 3 Reference Code : 2010MNRAS.404.1005W Freq. targeted : 15.2 GHz (RT) Measurement : 0.0180 Jy = 1.80E-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 01 37.2 +25 41 56 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :
No. 4 Reference Code : 1991ApJS...75....1B Freq. targeted : 4.85 GHz Measurement : 84 milliJy = 8.40E-28 W m^-2^ Hz^-1^ Uncertainty : 15 % milliJy = 1.26E-28 Significance : uncertainty Freq or Vel. : 4.85 GHz (OBS )= 4.85E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 025840.5 +253021 (B1950) Spatial mode : Peak flux Notes : From new raw data; Corrected for contaminating sources Qualifiers :
No. 5 Reference Code : 1991ApJS...75.1011G Freq. targeted : 4.85 GHz Measurement : 87 milliJy = 8.70E-28 W m^-2^ Hz^-1^ Uncertainty : 12 milliJy = 1.20E-28 Significance : rms noise Freq or Vel. : 4.85 GHz (OBS )= 4.85E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 025840.3 +253022 (B1950) Spatial mode : Modelled datum Notes : From new raw data; Corrected for contaminating sources Qualifiers :
No. 6 Reference Code : 1990ApJS...74..129G Freq. targeted : 4830 MHz (NRAO) Measurement : 70 milliJy = 7.00E-28 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 01 38.6 +25 41 17 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : S/N = 9
No. 7 Reference Code : 1992ApJS...79..331W Freq. targeted : 1.40 GHz Measurement : 339 milliJy = 3.39E-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: 025840.5 +253021 (B1950) Spatial mode : Peak flux Notes : From new raw data Qualifiers :
No. 8 Reference Code : 1972A&AS....7....1C Freq. targeted : 408 MHz Measurement : 0.996 Jy = 9.96E-27 W m^-2^ Hz^-1^ Uncertainty : 0.08 Jy = 8.00E-28 Significance : internal error Freq or Vel. : 408 MHz (OBS )= 4.08E+08 Hz Frequency mode : Broad-band measurement; peak value reported Coord. targeted: 025841.6 +252948. (B1950) Spatial mode : Peak flux Notes : From new raw data Qualifiers :
No. 9 Reference Code : 1996AJ....111.1945D Freq. targeted : 365 MHz (Texas) Measurement : 1.038 Jy = 1.04E-26 W m^-2^ Hz^-1^ Uncertainty : 0.070 Jy = 7.00E-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: 025840.701 253004.03 (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 : 2.85 Jy = 2.85E-26 W m^-2^ Hz^-1^ Uncertainty : 0.36 Jy = 3.60E-27 Significance : rms uncertainty Freq or Vel. : 73.8 MHz (OBS )= 7.38E+07 Hz Frequency mode : Broad-band measurement Coord. targeted: 03 01 38.13 +25 42 03.5 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Corrected for clean bias

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