NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-19 T02:06:48 PDT
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Spectral Energy Distribution (SED) for SDSS J164932.77+642944.5:

5 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 24.319 +/- 0.959 asinh mag 8.36E+14 3.11E-07 +/- 9.71E-07 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 1
2 g (SDSS PSF) AB 24.589 +/- 0.489 asinh mag 6.17E+14 3.29E-07 +/- 3.30E-07 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 2
3 r (SDSS PSF) AB 22.540 +/- 0.178 asinh mag 4.77E+14 3.45E-06 +/- 5.83E-07 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 3
4 i (SDSS PSF) AB 22.113 +/- 0.174 asinh mag 3.89E+14 5.10E-06 +/- 8.44E-07 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 4
5 z (SDSS PSF) AB 22.910 +/- 0.749 asinh mag 3.25E+14 -4.04E-07 +/- 3.65E-06 Jy Broad-band SDSS Qualifiers 2007SDSS6.C...0000: 5


Detailed Information for Each Entry

 No. 1
Reference Code : 2007SDSS6.C...0000:
Freq. targeted : u (SDSS PSF) AB     
Measurement    :  24.319      asinh mag            = 3.11E-33 W m^-2^ Hz^-1^
Uncertainty    :  0.959       asinh mag            = 9.71E-33
Significance   : based on count statistics only
Freq or Vel.   : 3585         A            (OBS   )= 8.36E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 252.3865808496  64.4956998221 (J2000)
Spatial mode   : Modelled datum
Notes          : From new raw data
Qualifiers     : SDSS flags
                 CANONICAL_CENTER - used canonical, not local, center
                 NOPETRO - no Petrosian radius could be determined
                 NOPETRO_BIG - Petrosian radius is larger than extracted radial profile
                 ELLIPFAINT - no isophotal fits performed
                 AMOMENT_FAINT - too faint for adaptive moments

No. 2 Reference Code : 2007SDSS6.C...0000: Freq. targeted : g (SDSS PSF) AB Measurement : 24.589 asinh mag = 3.29E-33 W m^-2^ Hz^-1^ Uncertainty : 0.489 asinh mag = 3.30E-33 Significance : based on count statistics only Freq or Vel. : 4858 A (OBS )= 6.17E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 252.3865808496 64.4956998221 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags CANONICAL_CENTER - used canonical, not local, center NOPETRO - no Petrosian radius could be determined PETROFAINT - Petrosian radius measured at very low surface brightness ELLIPFAINT - no isophotal fits performed AMOMENT_FAINT - too faint for adaptive moments
No. 3 Reference Code : 2007SDSS6.C...0000: Freq. targeted : r (SDSS PSF) AB Measurement : 22.540 asinh mag = 3.45E-32 W m^-2^ Hz^-1^ Uncertainty : 0.178 asinh mag = 5.83E-33 Significance : based on count statistics only Freq or Vel. : 6290 A (OBS )= 4.77E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 252.3865808496 64.4956998221 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags 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 : 22.113 asinh mag = 5.10E-32 W m^-2^ Hz^-1^ Uncertainty : 0.174 asinh mag = 8.44E-33 Significance : based on count statistics only Freq or Vel. : 7706 A (OBS )= 3.89E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 252.3865808496 64.4956998221 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags 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 : 22.910 asinh mag = -4.04E-33 W m^-2^ Hz^-1^ Uncertainty : 0.749 asinh mag = 3.65E-32 Significance : based on count statistics only Freq or Vel. : 9222 A (OBS )= 3.25E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 252.3865808496 64.4956998221 (J2000) Spatial mode : Modelled datum Notes : From new raw data Qualifiers : SDSS flags CANONICAL_CENTER - used canonical, not local, center NOPETRO - no Petrosian radius could be determined PETROFAINT - Petrosian radius measured at very low surface brightness ELLIPFAINT - no isophotal fits performed AMOMENT_FAINT - too faint for adaptive moments

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