NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-04-24 T08:50:03 PDT
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Spectral Energy Distribution (SED) for NGC 4343 GROUP:

4 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 (XMM) 1.571E-11 +/- 0.045E-11 erg/cm^2^/s 3.02E+17 5.20E-06 +/- 1.49E-07 Jy Broad-band 2011A&A...526A..79E 1
2 0.5-2 keV (ROSAT) 1.361E-11 +/- 0.043E-11 erg/cm^2^/s 3.02E+17 4.51E-06 +/- 1.42E-07 Jy Broad-band 2011A&A...526A..79E 2
3 610 MHz (GMRT) 139 +/- 5 % milliJy 6.10E+08 1.39E-01 +/- 6.95E-03 Jy Broad-band 2011ApJ...732...95G 3
4 235 MHz (GMRT) 248 +/- 8 % milliJy 2.35E+08 2.48E-01 +/- 1.98E-02 Jy Broad-band Background radio source subtracted 2011ApJ...732...95G 4


Detailed Information for Each Entry

 No. 1
Reference Code : 2011A&A...526A..79E
Freq. targeted : 0.5-2 keV (XMM)     
Measurement    :  1.571E-11   erg/cm^2^/s          = 1.57E-14 W m^-2^
Uncertainty    :  0.045E-11   erg/cm^2^/s          = 4.50E-16
Significance   : uncertainty
Freq or Vel.   :       1.25   keV          (OBS   )= 3.02E+17 Hz
Frequency mode : Broad-band measurement
Coord. targeted:
Spatial mode   : Total flux
Notes          : From reprocessed raw data; NED frequency assigned to
                 mid-point of band in keV
Qualifiers     :                                         

No. 2 Reference Code : 2011A&A...526A..79E Freq. targeted : 0.5-2 keV (ROSAT) Measurement : 1.361E-11 erg/cm^2^/s = 1.36E-14 W m^-2^ Uncertainty : 0.043E-11 erg/cm^2^/s = 4.30E-16 Significance : uncertainty Freq or Vel. : 1.25 keV (OBS )= 3.02E+17 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Total flux Notes : From reprocessed raw data; NED frequency assigned to mid-point of band in keV Qualifiers :
No. 3 Reference Code : 2011ApJ...732...95G Freq. targeted : 610 MHz (GMRT) Measurement : 139 milliJy = 1.39E-27 W m^-2^ Hz^-1^ Uncertainty : 5 % milliJy = 6.95E-29 Significance : uncertainty Freq or Vel. : 610 MHz (OBS )= 6.10E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Total flux Notes : From new raw data Qualifiers :
No. 4 Reference Code : 2011ApJ...732...95G Freq. targeted : 235 MHz (GMRT) Measurement : 248 milliJy = 2.48E-27 W m^-2^ Hz^-1^ Uncertainty : 8 % milliJy = 1.98E-28 Significance : uncertainty Freq or Vel. : 235 MHz (OBS )= 2.35E+08 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Total flux Notes : From new raw data Qualifiers : Background radio source subtracted

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