NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-18 T02:52:43 PDT
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Spectral Energy Distribution (SED) for IC 3220:

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 U 16.68 +/- 0.18 mag 8.19E+14 3.85E-04 +/- 6.95E-05 Jy Broad-band 1998A&AS..127..367Y 1
2 B_t 16.18 +/- 0.16 mag 6.81E+14 1.44E-03 +/- 2.28E-04 Jy Broad-band 1998A&AS..127..367Y 2
3 B_J_25 16.39 +/- 0.06 mag 6.41E+14 1.10E-03 +/- 6.24E-05 Jy Broad-band 1998A&AS..127..367Y 3
4 R_C 15.47 +/- 0.19 mag 4.68E+14 2.00E-03 +/- 3.82E-04 Jy Broad-band 1998A&AS..127..367Y 4


Detailed Information for Each Entry

 No. 1
Reference Code : 1998A&AS..127..367Y
Freq. targeted : U                   
Measurement    :  16.68       mag                  = 3.85E-30 W m^-2^ Hz^-1^
Uncertainty    :  0.18        mag                  = 6.95E-31
Significance   : estimated error
Freq or Vel.   : 3660         A            (OBS   )= 8.19E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 121949.0        +105245 (B1950)
Spatial mode   : Integrated from scans
Notes          : From new raw data; derived from a flux in a different band
                 and a color; Standard Johnson UBVRI filters assumed
Qualifiers     :                                         

No. 2 Reference Code : 1998A&AS..127..367Y Freq. targeted : B_t Measurement : 16.18 mag = 1.44E-29 W m^-2^ Hz^-1^ Uncertainty : 0.16 mag = 2.28E-30 Significance : estimated error Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement; photometric system transformed Coord. targeted: 121949.0 +105245 (B1950) Spatial mode : Integrated from scans Notes : From new raw data; Standard Johnson UBVRI filters assumed Qualifiers :
No. 3 Reference Code : 1998A&AS..127..367Y Freq. targeted : B_J_25 Measurement : 16.39 mag = 1.10E-29 W m^-2^ Hz^-1^ Uncertainty : 0.06 mag = 6.24E-31 Significance : estimated error Freq or Vel. : 4680 A (OBS )= 6.41E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 121949.0 +105245 (B1950) Spatial mode : Integrated from scans Notes : From new raw data Qualifiers :
No. 4 Reference Code : 1998A&AS..127..367Y Freq. targeted : R_C Measurement : 15.47 mag = 2.00E-29 W m^-2^ Hz^-1^ Uncertainty : 0.19 mag = 3.82E-30 Significance : estimated error Freq or Vel. : 6400 A (OBS )= 4.68E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 121949.0 +105245 (B1950) 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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