NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-08-21 T12:00:46 PDT
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Spectral Energy Distribution (SED) for SN 1981B:

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 U Johnson (FLWO) 11.62 +/- 0.10 mag 8.19E+14 4.07E-02 +/- 3.75E-03 Jy Broad-band 2009ApJ...700..331H 1
2 B Johnson (FLWO) 11.93 +/- 0.04 mag 6.81E+14 7.20E-02 +/- 2.65E-03 Jy Broad-band 2009ApJ...700..331H 2
3 B 11.95 +/- 0.01 mag 6.81E+14 7.07E-02 +/- 6.51E-04 Jy Broad-band Mag at maximum light 2009ApJ...707.1449N 3
4 V Johnson (FLWO) 11.89 +/- 0.05 mag 5.42E+14 6.38E-02 +/- 2.94E-03 Jy Broad-band 2009ApJ...700..331H 4


Detailed Information for Each Entry

 No. 1
Reference Code : 2009ApJ...700..331H
Freq. targeted : U Johnson (FLWO)    
Measurement    :  11.62       mag                  = 4.07E-28 W m^-2^ Hz^-1^
Uncertainty    :  0.10        mag                  = 3.75E-29
Significance   : statistical error
Freq or Vel.   :       3660   A            (OBS   )= 8.19E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted:
Spatial mode   : Peak flux
Notes          : From new raw data
Qualifiers     :                                         

No. 2 Reference Code : 2009ApJ...700..331H Freq. targeted : B Johnson (FLWO) Measurement : 11.93 mag = 7.20E-28 W m^-2^ Hz^-1^ Uncertainty : 0.04 mag = 2.65E-29 Significance : statistical error Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Peak flux Notes : From new raw data Qualifiers :
No. 3 Reference Code : 2009ApJ...707.1449N Freq. targeted : B Measurement : 11.95 mag = 7.07E-28 W m^-2^ Hz^-1^ Uncertainty : 0.01 mag = 6.51E-30 Significance : uncertainty Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : From fitting to map Notes : Averaged from previously published data; Standard Johnson UBVRI filters assumed Qualifiers : Mag at maximum light
No. 4 Reference Code : 2009ApJ...700..331H Freq. targeted : V Johnson (FLWO) Measurement : 11.89 mag = 6.38E-28 W m^-2^ Hz^-1^ Uncertainty : 0.05 mag = 2.94E-29 Significance : statistical error Freq or Vel. : 5530 A (OBS )= 5.42E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Peak flux Notes : From new raw data Qualifiers :

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