NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-18 T17:16:25 PDT
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Spectral Energy Distribution (SED) for ABELL 2050:

5 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) 7.00 +/- 26.3% 10^-12^ erg/cm^2^/s 3.15E+17 2.22E-06 +/- 5.85E-07 Jy Broad-band 1998MNRAS.301..881E 1
2 0.1-2.4 keV (ROSAT) 4.956E-12 +/- 13.8% erg/s/cm^2^ 3.02E+17 1.64E-06 +/- 2.26E-07 Jy Broad-band Unabsorbed flux 2007A&A...469..363B 2
3 0.1-2.4 keV (ROSAT) 4.927E-11 +/- 14.3% erg/s/cm^2^ 3.02E+17 1.63E-05 +/- 2.33E-06 Jy Broad-band 2004A&A...423..449P 3
4 103a-O (POSS-I O) 18.10 ... mag 7.40E+14 2.19E-04 ... Jy Broad-band 2006A&A...449..425M 4
5 103a-E (POSS-I E) 15.95 ... mag 4.65E+14 1.27E-03 ... Jy Broad-band 2006A&A...449..425M 5


Detailed Information for Each Entry

 No. 1
Reference Code : 1998MNRAS.301..881E
Freq. targeted : 0.1-2.4 keV (ROSAT) 
Measurement    :  7.00        10^-12^ erg/cm^2^/s  = 7.00E-15 W m^-2^
Uncertainty    :  26.3%       10^-12^ erg/cm^2^/s  = 1.84E-15
Significance   : 1 sigma
Freq or Vel.   : 1.3          keV          (OBS   )= 3.15E+17 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 151616.         +000520. (J2000)
Spatial mode   : Integrated from scans
Notes          : From reprocessed raw data
Qualifiers     :                                         

No. 2 Reference Code : 2007A&A...469..363B Freq. targeted : 0.1-2.4 keV (ROSAT) Measurement : 4.956E-12 erg/s/cm^2^ = 4.96E-15 W m^-2^ Uncertainty : 13.8% erg/s/cm^2^ = 6.84E-16 Significance : uncertainty Freq or Vel. : 1.25 keV (OBS )= 3.02E+17 Hz Frequency mode : Broad-band measurement Coord. targeted: 15 16 19.2 +00 05 52 (J2000) Spatial mode : Flux integrated from map Notes : Averaged from previously published data; NED frequency assigned to mid-point of band in keV Qualifiers : Unabsorbed flux
No. 3 Reference Code : 2004A&A...423..449P Freq. targeted : 0.1-2.4 keV (ROSAT) Measurement : 4.927E-11 erg/s/cm^2^ = 4.93E-14 W m^-2^ Uncertainty : 14.3% erg/s/cm^2^ = 7.05E-15 Significance : 1 sigma Freq or Vel. : 1.25 keV (OBS )= 3.02E+17 Hz Frequency mode : Broad-band measurement Coord. targeted: 229.0799 +00.0978 (J2000) Spatial mode : Flux integrated from map Notes : From reprocessed raw data; NED frequency assigned to mid-point of band in keV Qualifiers :
No. 4 Reference Code : 2006A&A...449..425M Freq. targeted : 103a-O (POSS-I O) Measurement : 18.10 mag = 2.19E-30 W m^-2^ Hz^-1^ Uncertainty : mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 4050 A (OBS )= 7.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 15 16 17.90 +00 05 20.5 (J2000) Spatial mode : Integrated from scans Notes : From new raw data Qualifiers :
No. 5 Reference Code : 2006A&A...449..425M Freq. targeted : 103a-E (POSS-I E) Measurement : 15.95 mag = 1.27E-29 W m^-2^ Hz^-1^ Uncertainty : mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 6450 A (OBS )= 4.65E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 15 16 17.90 +00 05 20.5 (J2000) Spatial mode : Integrated from scans Notes : From new raw data; derived from a flux in a different band and a color Qualifiers :

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