NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-25 T00:44:44 PDT
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Spectral Energy Distribution (SED) for IC 3939:

14 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 FUV (GALEX) AB ... >21.1853 mag 1.95E+15 < 1.22E-05 Jy Broad-band upper limit inside NUV Kron aperture 2012GASC..C...0000S 1
2 NUV (GALEX) AB 21.2136 +/- 0.169094 mag 1.29E+15 1.19E-05 +/- 1.85E-06 Jy Broad-band Kron flux in elliptical aperture 2012GASC..C...0000S 2
3 NUV (GALEX) AB 21.4292 +/- 0.160347 mag 1.29E+15 9.74E-06 +/- 1.44E-06 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 3
4 u (SDSS PSF) AB 18.644 +/- 0.026 asinh mag 8.36E+14 1.31E-04 +/- 3.15E-06 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 4
5 g (SDSS PSF) AB 17.567 +/- 0.013 asinh mag 6.17E+14 3.41E-04 +/- 4.09E-06 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 5
6 r (SDSS PSF) AB 17.189 +/- 0.015 asinh mag 4.77E+14 4.84E-04 +/- 6.68E-06 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 6
7 i (SDSS PSF) AB 17.069 +/- 0.009 asinh mag 3.89E+14 5.40E-04 +/- 4.48E-06 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 7
8 z (SDSS PSF) AB 17.037 +/- 0.023 asinh mag 3.25E+14 5.46E-04 +/- 1.16E-05 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 8
9 J (2MASS/FLWO) 16.218 +/- 0.095 mag 2.43E+14 5.19E-04 +/- 4.54E-05 Jy Broad-band Profile-fit 2006AJ....131.1163S 9
10 J (2MASS/FLWO) 16.226 +/- 0.162 mag 2.43E+14 5.15E-04 +/- 7.69E-05 Jy Broad-band 4" aperture 2006AJ....131.1163S 10
11 H (2MASS/FLWO) 15.949 +/- 0.346 mag 1.80E+14 4.27E-04 +/- 1.36E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 11
12 H (2MASS/FLWO) 15.829 +/- 0.143 mag 1.80E+14 4.77E-04 +/- 6.29E-05 Jy Broad-band Profile-fit 2006AJ....131.1163S 12
13 K_s (2MASS/FLWO) 16.202 +/- 0.354 mag 1.39E+14 2.20E-04 +/- 7.19E-05 Jy Broad-band 4" aperture 2006AJ....131.1163S 13
14 K_s (2MASS/FLWO) 15.768 +/- 0.224 mag 1.39E+14 3.29E-04 +/- 6.78E-05 Jy Broad-band Profile-fit 2006AJ....131.1163S 14


Detailed Information for Each Entry

 No. 1
Reference Code : 2012GASC..C...0000S
Freq. targeted : FUV (GALEX) AB      
Measurement    : >21.1853     mag                  < 1.22E-31 W m^-2^ Hz^-1^      
Uncertainty    :
Significance   : 3 sigma
Freq or Vel.   : 1538.6       A            (OBS   )= 1.95E+15 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 194.61693686711 18.751901762916 (J2000)
Spatial mode   : Flux integrated from map
Notes          : From new raw data
Qualifiers     : upper limit inside NUV Kron aperture    

No. 2 Reference Code : 2012GASC..C...0000S Freq. targeted : NUV (GALEX) AB Measurement : 21.2136 mag = 1.19E-31 W m^-2^ Hz^-1^ Uncertainty : 0.169094 mag = 1.85E-32 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 194.61693686711 18.751901762916 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Kron flux in elliptical aperture
No. 3 Reference Code : 2012GASC..C...0000S Freq. targeted : NUV (GALEX) AB Measurement : 21.4292 mag = 9.74E-32 W m^-2^ Hz^-1^ Uncertainty : 0.160347 mag = 1.44E-32 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 194.61693686711 18.751901762916 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Flux in 7.5 arcsec diameter aperture
No. 4 Reference Code : 2007SDSS6.C...0000: Freq. targeted : u (SDSS PSF) AB Measurement : 18.644 asinh mag = 1.31E-30 W m^-2^ Hz^-1^ Uncertainty : 0.026 asinh mag = 3.15E-32 Significance : based on count statistics only Freq or Vel. : 3585 A (OBS )= 8.36E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 194.6167682342 18.7518484360 (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 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 : g (SDSS PSF) AB Measurement : 17.567 asinh mag = 3.41E-30 W m^-2^ Hz^-1^ Uncertainty : 0.013 asinh mag = 4.09E-32 Significance : based on count statistics only Freq or Vel. : 4858 A (OBS )= 6.17E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 194.6167682342 18.7518484360 (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. 6 Reference Code : 2007SDSS6.C...0000: Freq. targeted : r (SDSS PSF) AB Measurement : 17.189 asinh mag = 4.84E-30 W m^-2^ Hz^-1^ Uncertainty : 0.015 asinh mag = 6.68E-32 Significance : based on count statistics only Freq or Vel. : 6290 A (OBS )= 4.77E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 194.6167682342 18.7518484360 (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. 7 Reference Code : 2007SDSS6.C...0000: Freq. targeted : i (SDSS PSF) AB Measurement : 17.069 asinh mag = 5.40E-30 W m^-2^ Hz^-1^ Uncertainty : 0.009 asinh mag = 4.48E-32 Significance : based on count statistics only Freq or Vel. : 7706 A (OBS )= 3.89E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 194.6167682342 18.7518484360 (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. 8 Reference Code : 2007SDSS6.C...0000: Freq. targeted : z (SDSS PSF) AB Measurement : 17.037 asinh mag = 5.46E-30 W m^-2^ Hz^-1^ Uncertainty : 0.023 asinh mag = 1.16E-31 Significance : based on count statistics only Freq or Vel. : 9222 A (OBS )= 3.25E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 194.6167682342 18.7518484360 (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. 9 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 16.218 mag = 5.19E-30 W m^-2^ Hz^-1^ Uncertainty : 0.095 mag = 4.54E-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. 10 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 16.226 mag = 5.15E-30 W m^-2^ Hz^-1^ Uncertainty : 0.162 mag = 7.69E-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. 11 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 15.949 mag = 4.27E-30 W m^-2^ Hz^-1^ Uncertainty : 0.346 mag = 1.36E-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. 12 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 15.829 mag = 4.77E-30 W m^-2^ Hz^-1^ Uncertainty : 0.143 mag = 6.29E-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. 13 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 16.202 mag = 2.20E-30 W m^-2^ Hz^-1^ Uncertainty : 0.354 mag = 7.19E-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 : 4" aperture
No. 14 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 15.768 mag = 3.29E-30 W m^-2^ Hz^-1^ Uncertainty : 0.224 mag = 6.78E-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

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