NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2018-12-14 T00:41:46 PST
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Spectral Energy Distribution (SED) for NGC 2331:

4 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 20.6853 +/- 0.303419 mag 1.95E+15 1.93E-05 +/- 5.40E-06 Jy Broad-band Kron flux in elliptical aperture 2012GASC..C...0000S 1
2 FUV (GALEX) AB 20.5150 +/- 0.204000 mag 1.95E+15 2.26E-05 +/- 4.24E-06 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 2
3 NUV (GALEX) AB 15.9109 +/- 0.0140502 mag 1.29E+15 1.57E-03 +/- 2.03E-05 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 3
4 NUV (GALEX) AB 15.4074 +/- 0.0100677 mag 1.29E+15 2.49E-03 +/- 2.31E-05 Jy Broad-band Kron flux in elliptical aperture 2012GASC..C...0000S 4


Detailed Information for Each Entry

 No. 1
Reference Code : 2012GASC..C...0000S
Freq. targeted : FUV (GALEX) AB      
Measurement    :  20.6853     mag                  = 1.93E-31 W m^-2^ Hz^-1^
Uncertainty    :  0.303419    mag                  = 5.40E-32
Significance   : uncertainty
Freq or Vel.   : 1538.6       A            (OBS   )= 1.95E+15 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 106.74945477544 27.261629926363 (J2000)
Spatial mode   : Flux integrated from map
Notes          : From new raw data
Qualifiers     : Kron flux in elliptical aperture        

No. 2 Reference Code : 2012GASC..C...0000S Freq. targeted : FUV (GALEX) AB Measurement : 20.5150 mag = 2.26E-31 W m^-2^ Hz^-1^ Uncertainty : 0.204000 mag = 4.24E-32 Significance : uncertainty Freq or Vel. : 1538.6 A (OBS )= 1.95E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 106.74945477544 27.261629926363 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Flux in 7.5 arcsec diameter aperture
No. 3 Reference Code : 2012GASC..C...0000S Freq. targeted : NUV (GALEX) AB Measurement : 15.9109 mag = 1.57E-29 W m^-2^ Hz^-1^ Uncertainty : 0.0140502 mag = 2.03E-31 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 106.74945477544 27.261629926363 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Flux in 7.5 arcsec diameter aperture
No. 4 Reference Code : 2012GASC..C...0000S Freq. targeted : NUV (GALEX) AB Measurement : 15.4074 mag = 2.49E-29 W m^-2^ Hz^-1^ Uncertainty : 0.0100677 mag = 2.31E-31 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 106.74945477544 27.261629926363 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Kron flux in elliptical aperture

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