NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-24 T15:41:08 PDT
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Spectral Energy Distribution (SED) for ABELL 1991:

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 0.1-2.4 keV (ROSAT) 9.40 +/- 16.7% 10^-12^ erg/cm^2^/s 3.15E+17 2.98E-06 +/- 4.97E-07 Jy Broad-band 1998MNRAS.301..881E 1


Detailed Information for Each Entry

 No. 1
Reference Code : 1998MNRAS.301..881E
Freq. targeted : 0.1-2.4 keV (ROSAT) 
Measurement    :  9.40        10^-12^ erg/cm^2^/s  = 9.40E-15 W m^-2^
Uncertainty    :  16.7%       10^-12^ erg/cm^2^/s  = 1.57E-15
Significance   : 1 sigma
Freq or Vel.   : 1.3          keV          (OBS   )= 3.15E+17 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 145430.         +183859. (J2000)
Spatial mode   : Integrated from scans
Notes          : From reprocessed raw data
Qualifiers     :                                         


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