NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-24 T22:42:43 PDT
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Spectral Energy Distribution (SED) for IC 3942:

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 18.161 +/- 0.018 asinh mag 8.36E+14 2.05E-04 +/- 3.40E-06 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 1
2 g (SDSS PSF) AB 16.971 +/- 0.020 asinh mag 6.17E+14 5.91E-04 +/- 1.09E-05 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 2
3 r (SDSS PSF) AB 16.502 +/- 0.021 asinh mag 4.77E+14 9.10E-04 +/- 1.76E-05 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 3
4 i (SDSS PSF) AB 16.351 +/- 0.015 asinh mag 3.89E+14 1.05E-03 +/- 1.45E-05 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 4
5 z (SDSS PSF) AB 16.308 +/- 0.021 asinh mag 3.25E+14 1.07E-03 +/- 2.07E-05 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 5
6 J (2MASS/FLWO) 15.387 +/- 0.056 mag 2.43E+14 1.12E-03 +/- 5.76E-05 Jy Broad-band Profile-fit 2006AJ....131.1163S 6
7 J (2MASS/FLWO) 15.383 +/- 0.09 mag 2.43E+14 1.12E-03 +/- 9.29E-05 Jy Broad-band 4" aperture 2006AJ....131.1163S 7
8 H (2MASS/FLWO) 15.051 +/- 0.076 mag 1.80E+14 9.77E-04 +/- 6.84E-05 Jy Broad-band Profile-fit 2006AJ....131.1163S 8
9 H (2MASS/FLWO) 15.167 +/- 0.282 mag 1.80E+14 8.78E-04 +/- 2.28E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 9
10 K_s (2MASS/FLWO) 15.011 +/- 0.099 mag 1.39E+14 6.60E-04 +/- 6.02E-05 Jy Broad-band Profile-fit 2006AJ....131.1163S 10
11 K_s (2MASS/FLWO) 14.782 +/- 0.142 mag 1.39E+14 8.15E-04 +/- 1.07E-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    :  18.161      asinh mag            = 2.05E-30 W m^-2^ Hz^-1^
Uncertainty    :  0.018       asinh mag            = 3.40E-32
Significance   : based on count statistics only
Freq or Vel.   : 3585         A            (OBS   )= 8.36E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 194.5828619013  36.1087401353 (J2000)
Spatial mode   : Modelled datum
Notes          : From new raw data
Qualifiers     : SDSS flags
                 BAD_RADIAL - some low S/N radial points
                 INTERP - object contains interpolated-over pixels
                 BINNED1 - detected at >=5 sigma in original imaging frame
                 BINNED_CENTER - image was binned while centroiding
                 INTERP_CENTER - interpolated pixel(s) within 3 pixels of center
                 PSF_FLUX_INTERP - a signifcant amount of PSF's flux is interpolated

No. 2 Reference Code : 2007SDSS6.C...0000: Freq. targeted : g (SDSS PSF) AB Measurement : 16.971 asinh mag = 5.91E-30 W m^-2^ Hz^-1^ Uncertainty : 0.020 asinh mag = 1.09E-31 Significance : based on count statistics only Freq or Vel. : 4858 A (OBS )= 6.17E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 194.5828619013 36.1087401353 (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 : 16.502 asinh mag = 9.10E-30 W m^-2^ Hz^-1^ Uncertainty : 0.021 asinh mag = 1.76E-31 Significance : based on count statistics only Freq or Vel. : 6290 A (OBS )= 4.77E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 194.5828619013 36.1087401353 (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 : 16.351 asinh mag = 1.05E-29 W m^-2^ Hz^-1^ Uncertainty : 0.015 asinh mag = 1.45E-31 Significance : based on count statistics only Freq or Vel. : 7706 A (OBS )= 3.89E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 194.5828619013 36.1087401353 (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 : 16.308 asinh mag = 1.07E-29 W m^-2^ Hz^-1^ Uncertainty : 0.021 asinh mag = 2.07E-31 Significance : based on count statistics only Freq or Vel. : 9222 A (OBS )= 3.25E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 194.5828619013 36.1087401353 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags BAD_RADIAL - some low S/N radial points PETROFAINT - Petrosian radius measured at very low surface brightness 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 : 15.387 mag = 1.12E-29 W m^-2^ Hz^-1^ Uncertainty : 0.056 mag = 5.76E-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 : 15.383 mag = 1.12E-29 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 9.29E-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 : 15.051 mag = 9.77E-30 W m^-2^ Hz^-1^ Uncertainty : 0.076 mag = 6.84E-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 : 15.167 mag = 8.78E-30 W m^-2^ Hz^-1^ Uncertainty : 0.282 mag = 2.28E-30 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 : 15.011 mag = 6.60E-30 W m^-2^ Hz^-1^ Uncertainty : 0.099 mag = 6.02E-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 : 14.782 mag = 8.15E-30 W m^-2^ Hz^-1^ Uncertainty : 0.142 mag = 1.07E-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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