NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-16 T08:20:48 PDT
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Spectral Energy Distribution (SED) for IC 2809:

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 18.716 +/- 0.033 asinh mag 8.36E+14 1.23E-04 +/- 3.74E-06 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 1
2 g (SDSS PSF) AB 16.330 +/- 0.027 asinh mag 6.17E+14 1.07E-03 +/- 2.65E-05 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 2
3 r (SDSS PSF) AB 15.452 +/- 0.020 asinh mag 4.77E+14 2.39E-03 +/- 4.41E-05 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 3
4 i (SDSS PSF) AB 15.102 +/- 0.014 asinh mag 3.89E+14 3.31E-03 +/- 4.26E-05 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 4
5 z (SDSS PSF) AB 14.924 +/- 0.017 asinh mag 3.25E+14 3.82E-03 +/- 5.99E-05 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 5
6 J (2MASS/CTIO) 13.828 +/- 0.027 mag 2.43E+14 4.69E-03 +/- 1.17E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 6
7 J (2MASS/CTIO) 13.831 +/- 0.016 mag 2.43E+14 4.68E-03 +/- 6.89E-05 Jy Broad-band 4" aperture 2006AJ....131.1163S 7
8 H (2MASS/CTIO) 13.287 +/- 0.044 mag 1.80E+14 4.96E-03 +/- 2.01E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 8
9 H (2MASS/CTIO) 13.272 +/- 0.023 mag 1.80E+14 5.03E-03 +/- 1.07E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 9
10 K_s (2MASS/CTIO) 13.284 +/- 0.076 mag 1.39E+14 3.24E-03 +/- 2.27E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 10
11 K_s (2MASS/CTIO) 13.2 +/- 0.034 mag 1.39E+14 3.50E-03 +/- 1.10E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 11


Detailed Information for Each Entry

 No. 1
Reference Code : 2007SDSS6.C...0000:
Freq. targeted : u (SDSS PSF) AB     
Measurement    :  18.716      asinh mag            = 1.23E-30 W m^-2^ Hz^-1^
Uncertainty    :  0.033       asinh mag            = 3.74E-32
Significance   : based on count statistics only
Freq or Vel.   : 3585         A            (OBS   )= 8.36E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 171.4073678700  8.5262744053 (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 : 16.330 asinh mag = 1.07E-29 W m^-2^ Hz^-1^ Uncertainty : 0.027 asinh mag = 2.65E-31 Significance : based on count statistics only Freq or Vel. : 4858 A (OBS )= 6.17E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 171.4073678700 8.5262744053 (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 : 15.452 asinh mag = 2.39E-29 W m^-2^ Hz^-1^ Uncertainty : 0.020 asinh mag = 4.41E-31 Significance : based on count statistics only Freq or Vel. : 6290 A (OBS )= 4.77E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 171.4073678700 8.5262744053 (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 PETROFAINT - Petrosian radius measured at very low surface brightness 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 CANONICAL_BAND - this band was primary (usually r)
No. 4 Reference Code : 2007SDSS6.C...0000: Freq. targeted : i (SDSS PSF) AB Measurement : 15.102 asinh mag = 3.31E-29 W m^-2^ Hz^-1^ Uncertainty : 0.014 asinh mag = 4.26E-31 Significance : based on count statistics only Freq or Vel. : 7706 A (OBS )= 3.89E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 171.4073678700 8.5262744053 (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 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 : 14.924 asinh mag = 3.82E-29 W m^-2^ Hz^-1^ Uncertainty : 0.017 asinh mag = 5.99E-31 Significance : based on count statistics only Freq or Vel. : 9222 A (OBS )= 3.25E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 171.4073678700 8.5262744053 (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 : 2006AJ....131.1163S Freq. targeted : J (2MASS/CTIO) Measurement : 13.828 mag = 4.69E-29 W m^-2^ Hz^-1^ Uncertainty : 0.027 mag = 1.17E-30 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/CTIO) Measurement : 13.831 mag = 4.68E-29 W m^-2^ Hz^-1^ Uncertainty : 0.016 mag = 6.89E-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/CTIO) Measurement : 13.287 mag = 4.96E-29 W m^-2^ Hz^-1^ Uncertainty : 0.044 mag = 2.01E-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. 9 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/CTIO) Measurement : 13.272 mag = 5.03E-29 W m^-2^ Hz^-1^ Uncertainty : 0.023 mag = 1.07E-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 : Profile-fit
No. 10 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 13.284 mag = 3.24E-29 W m^-2^ Hz^-1^ Uncertainty : 0.076 mag = 2.27E-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
No. 11 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/CTIO) Measurement : 13.2 mag = 3.50E-29 W m^-2^ Hz^-1^ Uncertainty : 0.034 mag = 1.10E-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 : Profile-fit

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