NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-15 T20:36:14 PDT
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Spectral Energy Distribution (SED) for ABELL 0757:

2 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) 7.90 +/- 17.2% 10^-12^ erg/cm^2^/s 3.15E+17 2.51E-06 +/- 4.32E-07 Jy Broad-band 1998MNRAS.301..881E 1
2 0.1-2.4 keV (ROSAT) 6.202E-11 +/- 13.3% erg/s/cm^2^ 3.02E+17 2.05E-05 +/- 2.73E-06 Jy Broad-band 2004A&A...423..449P 2


Detailed Information for Each Entry

 No. 1
Reference Code : 1998MNRAS.301..881E
Freq. targeted : 0.1-2.4 keV (ROSAT) 
Measurement    :  7.90        10^-12^ erg/cm^2^/s  = 7.90E-15 W m^-2^
Uncertainty    :  17.2%       10^-12^ erg/cm^2^/s  = 1.36E-15
Significance   : 1 sigma
Freq or Vel.   : 1.3          keV          (OBS   )= 3.15E+17 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 091325.         +474113. (J2000)
Spatial mode   : Integrated from scans
Notes          : From reprocessed raw data
Qualifiers     :                                         

No. 2 Reference Code : 2004A&A...423..449P Freq. targeted : 0.1-2.4 keV (ROSAT) Measurement : 6.202E-11 erg/s/cm^2^ = 6.20E-14 W m^-2^ Uncertainty : 13.3% erg/s/cm^2^ = 8.25E-15 Significance : 1 sigma Freq or Vel. : 1.25 keV (OBS )= 3.02E+17 Hz Frequency mode : Broad-band measurement Coord. targeted: 138.4446 +47.7021 (J2000) Spatial mode : Flux integrated from map Notes : From reprocessed raw data; NED frequency assigned to mid-point of band in keV Qualifiers :

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