NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-24 T20:40:41 PDT
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Spectral Energy Distribution (SED) for IC 3938:

11 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 (SDSS PSF) AB 19.507 +/- 0.034 asinh mag 8.36E+14 5.93E-05 +/- 1.86E-06 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 1
2 g (SDSS PSF) AB 17.886 +/- 0.013 asinh mag 6.17E+14 2.54E-04 +/- 3.05E-06 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 2
3 r (SDSS PSF) AB 17.213 +/- 0.015 asinh mag 4.77E+14 4.73E-04 +/- 6.53E-06 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 3
4 i (SDSS PSF) AB 17.003 +/- 0.009 asinh mag 3.89E+14 5.74E-04 +/- 4.76E-06 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 4
5 z (SDSS PSF) AB 16.890 +/- 0.023 asinh mag 3.25E+14 6.25E-04 +/- 1.32E-05 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 5
6 J (2MASS/FLWO) 15.822 +/- 0.067 mag 2.43E+14 7.48E-04 +/- 4.61E-05 Jy Broad-band Profile-fit 2006AJ....131.1163S 6
7 J (2MASS/FLWO) 15.698 +/- 0.127 mag 2.43E+14 8.38E-04 +/- 9.80E-05 Jy Broad-band 4" aperture 2006AJ....131.1163S 7
8 H (2MASS/FLWO) 15.385 +/- 0.085 mag 1.80E+14 7.18E-04 +/- 5.62E-05 Jy Broad-band Profile-fit 2006AJ....131.1163S 8
9 H (2MASS/FLWO) 15.417 +/- 0.1 mag 1.80E+14 6.97E-04 +/- 6.42E-05 Jy Broad-band 4" aperture 2006AJ....131.1163S 9
10 K_s (2MASS/FLWO) 15.368 +/- 0.149 mag 1.39E+14 4.75E-04 +/- 6.52E-05 Jy Broad-band Profile-fit 2006AJ....131.1163S 10
11 K_s (2MASS/FLWO) 15.446 +/- 0.433 mag 1.39E+14 4.42E-04 +/- 1.76E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 11


Detailed Information for Each Entry

 No. 1
Reference Code : 2007SDSS6.C...0000:
Freq. targeted : u (SDSS PSF) AB     
Measurement    :  19.507      asinh mag            = 5.93E-31 W m^-2^ Hz^-1^
Uncertainty    :  0.034       asinh mag            = 1.86E-32
Significance   : based on count statistics only
Freq or Vel.   : 3585         A            (OBS   )= 8.36E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 194.6056745050  18.7526310889 (J2000)
Spatial mode   : Modelled datum
Notes          : From new raw data
Qualifiers     : SDSS flags
                 BAD_RADIAL - some low S/N radial points
                 BINNED1 - detected at >=5 sigma in original imaging frame
                 BINNED_CENTER - image was binned while centroiding

No. 2 Reference Code : 2007SDSS6.C...0000: Freq. targeted : g (SDSS PSF) AB Measurement : 17.886 asinh mag = 2.54E-30 W m^-2^ Hz^-1^ Uncertainty : 0.013 asinh mag = 3.05E-32 Significance : based on count statistics only Freq or Vel. : 4858 A (OBS )= 6.17E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 194.6056745050 18.7526310889 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags BAD_RADIAL - some low S/N radial points BINNED1 - detected at >=5 sigma in original imaging frame BINNED_CENTER - image was binned while centroiding
No. 3 Reference Code : 2007SDSS6.C...0000: Freq. targeted : r (SDSS PSF) AB Measurement : 17.213 asinh mag = 4.73E-30 W m^-2^ Hz^-1^ Uncertainty : 0.015 asinh mag = 6.53E-32 Significance : based on count statistics only Freq or Vel. : 6290 A (OBS )= 4.77E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 194.6056745050 18.7526310889 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags BAD_RADIAL - some low S/N radial points BINNED1 - detected at >=5 sigma in original imaging frame BINNED_CENTER - image was binned while centroiding CANONICAL_BAND - this band was primary (usually r)
No. 4 Reference Code : 2007SDSS6.C...0000: Freq. targeted : i (SDSS PSF) AB Measurement : 17.003 asinh mag = 5.74E-30 W m^-2^ Hz^-1^ Uncertainty : 0.009 asinh mag = 4.76E-32 Significance : based on count statistics only Freq or Vel. : 7706 A (OBS )= 3.89E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 194.6056745050 18.7526310889 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags BAD_RADIAL - some low S/N radial points BINNED1 - detected at >=5 sigma in original imaging frame BINNED_CENTER - image was binned while centroiding
No. 5 Reference Code : 2007SDSS6.C...0000: Freq. targeted : z (SDSS PSF) AB Measurement : 16.890 asinh mag = 6.25E-30 W m^-2^ Hz^-1^ Uncertainty : 0.023 asinh mag = 1.32E-31 Significance : based on count statistics only Freq or Vel. : 9222 A (OBS )= 3.25E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 194.6056745050 18.7526310889 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags BAD_RADIAL - some low S/N radial points TOO_LARGE - very large object, poorly determined sky, or bad deblend ELLIPFAINT - no isophotal fits performed BINNED1 - detected at >=5 sigma in original imaging frame BINNED_CENTER - image was binned while centroiding
No. 6 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 15.822 mag = 7.48E-30 W m^-2^ Hz^-1^ Uncertainty : 0.067 mag = 4.61E-31 Significance : uncertainty Freq or Vel. : 1.235 microns (OBS )= 2.43E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Profile-fit
No. 7 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 15.698 mag = 8.38E-30 W m^-2^ Hz^-1^ Uncertainty : 0.127 mag = 9.80E-31 Significance : uncertainty Freq or Vel. : 1.235 microns (OBS )= 2.43E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 4" aperture
No. 8 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 15.385 mag = 7.18E-30 W m^-2^ Hz^-1^ Uncertainty : 0.085 mag = 5.62E-31 Significance : uncertainty Freq or Vel. : 1.662 microns (OBS )= 1.80E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Profile-fit
No. 9 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 15.417 mag = 6.97E-30 W m^-2^ Hz^-1^ Uncertainty : 0.1 mag = 6.42E-31 Significance : uncertainty Freq or Vel. : 1.662 microns (OBS )= 1.80E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 4" aperture
No. 10 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 15.368 mag = 4.75E-30 W m^-2^ Hz^-1^ Uncertainty : 0.149 mag = 6.52E-31 Significance : uncertainty Freq or Vel. : 2.159 microns (OBS )= 1.39E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Profile-fit
No. 11 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 15.446 mag = 4.42E-30 W m^-2^ Hz^-1^ Uncertainty : 0.433 mag = 1.76E-30 Significance : uncertainty Freq or Vel. : 2.159 microns (OBS )= 1.39E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 4" aperture

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