NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-04-21 T07:08:06 PDT
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Spectral Energy Distribution (SED) for NGC 1839:

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 12 microns (IRAS) ... <0.267 Jy 2.50E+13 < 2.67E-01 Jy Broad-band 1988IRASP.C2..0000: 1
2 25 microns (IRAS) ... <0.250 Jy 1.20E+13 < 2.50E-01 Jy Broad-band 1988IRASP.C2..0000: 2
3 60 microns (IRAS) 0.990 +/- 10 % Jy 5.00E+12 9.90E-01 +/- 9.90E-02 Jy Broad-band IRAS quality flag = 3 1988IRASP.C2..0000: 3
4 100 microns (IRAS) ... <10.570 Jy 3.00E+12 < 1.06E+01 Jy Broad-band 1988IRASP.C2..0000: 4


Detailed Information for Each Entry

 No. 1
Reference Code : 1988IRASP.C2..0000:
Freq. targeted : 12 microns (IRAS)   
Measurement    : <0.267       Jy                   < 2.67E-27 W m^-2^ Hz^-1^      
Uncertainty    :
Significance   : 3 sigma
Freq or Vel.   : 12           microns      (OBS   )= 2.50E+13 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 050610.7        -684138 (B1950)
Spatial mode   : Integrated from scans
Notes          : From new raw data
Qualifiers     :                                         

No. 2 Reference Code : 1988IRASP.C2..0000: Freq. targeted : 25 microns (IRAS) Measurement : <0.250 Jy < 2.50E-27 W m^-2^ Hz^-1^ Uncertainty : Significance : 3 sigma Freq or Vel. : 25 microns (OBS )= 1.20E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 050610.7 -684138 (B1950) Spatial mode : Integrated from scans Notes : From new raw data Qualifiers :
No. 3 Reference Code : 1988IRASP.C2..0000: Freq. targeted : 60 microns (IRAS) Measurement : 0.990 Jy = 9.90E-27 W m^-2^ Hz^-1^ Uncertainty : 10 % Jy = 9.90E-28 Significance : uncertainty Freq or Vel. : 60 microns (OBS )= 5.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 050610.7 -684138 (B1950) Spatial mode : Integrated from scans Notes : From new raw data Qualifiers : IRAS quality flag = 3
No. 4 Reference Code : 1988IRASP.C2..0000: Freq. targeted : 100 microns (IRAS) Measurement : <10.570 Jy < 1.06E-25 W m^-2^ Hz^-1^ Uncertainty : Significance : 3 sigma Freq or Vel. : 100 microns (OBS )= 3.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 050610.7 -684138 (B1950) Spatial mode : Integrated from scans Notes : From new raw data Qualifiers :

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