NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2018-10-17 T06:24:55 PDT
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Spectral Energy Distribution (SED) for NGC 4449:[GHG2001] 08:

3 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 F435W (HST/ACS) 20.99 ... mag 6.88E+14 1.61E-05 ... Jy Broad-band Aperture radius = 0.85" 2012AJ....143...52S 1
2 F555W (HST/ACS) 20.19 +/- 0.03 mag 5.54E+14 3.04E-05 +/- 8.41E-07 Jy Broad-band Aperture radius = 0.85" 2012AJ....143...52S 2
3 F814W (HST/ACS) 19.09 ... mag 3.61E+14 5.56E-05 ... Jy Broad-band Aperture radius = 0.85" 2012AJ....143...52S 3


Detailed Information for Each Entry

 No. 1
Reference Code : 2012AJ....143...52S
Freq. targeted : F435W (HST/ACS)     
Measurement    :  20.99       mag                  = 1.61E-31 W m^-2^ Hz^-1^
Uncertainty    :              mag                  = 0.00E+00
Significance   : no uncertainty reported
Freq or Vel.   :       4357   A            (OBS   )= 6.88E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 187.019341      44.081410 (J2000)
Spatial mode   : Flux in fixed aperture
Notes          : From reprocessed raw data; Extinction-corrected for Milky
                 Way; derived from a flux in a different band and a color
Qualifiers     : Aperture radius = 0.85"                 

No. 2 Reference Code : 2012AJ....143...52S Freq. targeted : F555W (HST/ACS) Measurement : 20.19 mag = 3.04E-31 W m^-2^ Hz^-1^ Uncertainty : 0.03 mag = 8.41E-33 Significance : uncertainty Freq or Vel. : 5411 A (OBS )= 5.54E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 187.019341 44.081410 (J2000) Spatial mode : Flux in fixed aperture Notes : From reprocessed raw data; Extinction-corrected for Milky Way Qualifiers : Aperture radius = 0.85"
No. 3 Reference Code : 2012AJ....143...52S Freq. targeted : F814W (HST/ACS) Measurement : 19.09 mag = 5.56E-31 W m^-2^ Hz^-1^ Uncertainty : mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 8307 A (OBS )= 3.61E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 187.019341 44.081410 (J2000) Spatial mode : Flux in fixed aperture Notes : From reprocessed raw data; Extinction-corrected for Milky Way; derived from a flux in a different band and a color Qualifiers : Aperture radius = 0.85"

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