NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-03-24 T03:58:56 PDT
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Spectral Energy Distribution (SED) for 400d J1220+7522:

1 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 0.5-2 keV (ROSAT) 9.53E-13 +/- 1.00E-13 erg/cm^2^/s 3.02E+17 3.16E-07 +/- 3.31E-08 Jy Broad-band Unabsorbed flux 2007ApJS..172..561B 1


Detailed Information for Each Entry

 No. 1
Reference Code : 2007ApJS..172..561B
Freq. targeted : 0.5-2 keV (ROSAT)   
Measurement    :  9.53E-13     erg/cm^2^/s         = 9.53E-16 W m^-2^
Uncertainty    :  1.00E-13     erg/cm^2^/s         = 1.00E-16
Significance   : uncertainty
Freq or Vel.   :       1.25   keV          (OBS   )= 3.02E+17 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 12 20 17.4      +75 22 12 (J2000)
Spatial mode   : Total flux
Notes          : From reprocessed raw data; NED frequency assigned to
                 mid-point of band in keV
Qualifiers     : Unabsorbed flux                         


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