NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-08-20 T07:02:21 PDT
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Spectral Energy Distribution (SED) for B2 0258+25A:

8 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) 8.9 +/- 2.0 milliJy 3.00E+10 8.90E-03 +/- 2.00E-03 Jy Broad-band 2010MNRAS.406.1853G 1
2 15.7 GHz (AMI) 15.97 +/- 0.90 milliJy 1.57E+10 1.60E-02 +/- 9.00E-04 Jy Broad-band 2011MNRAS.415.2708A 2
3 15.2 GHz (RT) 0.0145 ... Jy 1.52E+10 1.45E-02 ... Jy Broad-band 2010MNRAS.404.1005W 3
4 4.85 GHz 40 +/- 15 % milliJy 4.85E+09 4.00E-02 +/- 6.00E-03 Jy Broad-band 1991ApJS...75....1B 4
5 4.85 GHz 42 +/- 7 milliJy 4.85E+09 4.20E-02 +/- 7.00E-03 Jy Broad-band 1991ApJS...75.1011G 5
6 408 MHz 0.526 +/- 0.072 Jy 4.08E+08 5.26E-01 +/- 7.20E-02 Jy Broad-band 1972A&AS....7....1C 6
7 365 MHz (Texas) 0.585 +/- 0.063 Jy 3.65E+08 5.85E-01 +/- 6.30E-02 Jy Broad-band Model:D;MFlag:+;EFlag:+;LFlag:C. 1996AJ....111.1945D 7
8 74 MHz (VLA) 1.69 +/- 0.20 Jy 7.38E+07 1.69E+00 +/- 2.00E-01 Jy Broad-band Corrected for clean bias 2007AJ....134.1245C 8


Detailed Information for Each Entry

 No. 1
Reference Code : 2010MNRAS.406.1853G
Freq. targeted : 30 GHz (OCRA-p)     
Measurement    :  8.9         milliJy              = 8.90E-29 W m^-2^ Hz^-1^
Uncertainty    :  2.0         milliJy              = 2.00E-29
Significance   : uncertainty
Freq or Vel.   :         30   GHz          (OBS   )= 3.00E+10 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 03 01 38.18     +25 21 49.0 (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 : 15.97 milliJy = 1.60E-28 W m^-2^ Hz^-1^ Uncertainty : 0.90 milliJy = 9.00E-30 Significance : uncertainty Freq or Vel. : 15.7 GHz (OBS )= 1.57E+10 Hz Frequency mode : Broad-band measurement Coord. targeted: 03 01 38.1 +25 21 48 (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 : 0.0145 Jy = 1.45E-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 38.2 +25 21 49 (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 : 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: 025843.6 +250952 (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 : 42 milliJy = 4.20E-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: 025843.9 +250944 (B1950) Spatial mode : Modelled datum Notes : From new raw data; Corrected for contaminating sources Qualifiers :
No. 6 Reference Code : 1972A&AS....7....1C Freq. targeted : 408 MHz Measurement : 0.526 Jy = 5.26E-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: 025841.2 +250912. (B1950) Spatial mode : Peak flux Notes : From new raw data Qualifiers :
No. 7 Reference Code : 1996AJ....111.1945D Freq. targeted : 365 MHz (Texas) Measurement : 0.585 Jy = 5.85E-27 W m^-2^ Hz^-1^ Uncertainty : 0.063 Jy = 6.30E-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: 025841.967 251000.49 (B1950) Spatial mode : Integrated from scans Notes : From new raw data Qualifiers : Model:D;MFlag:+;EFlag:+;LFlag:C.
No. 8 Reference Code : 2007AJ....134.1245C Freq. targeted : 74 MHz (VLA) Measurement : 1.69 Jy = 1.69E-26 W m^-2^ Hz^-1^ Uncertainty : 0.20 Jy = 2.00E-27 Significance : rms uncertainty Freq or Vel. : 73.8 MHz (OBS )= 7.38E+07 Hz Frequency mode : Broad-band measurement Coord. targeted: 03 01 38.36 +25 21 51.2 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Corrected for clean bias

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