NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-18 T14:16:03 PDT
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Spectral Energy Distribution (SED) for IC 1817:

6 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 m_p 14.9 +/- 0.4 mag 6.81E+14 4.67E-03 +/- 2.08E-03 Jy Broad-band 1965CGCG5.C...0000Z 1
2 12 microns (IRAS) ... <9.402E-02 Jy 2.50E+13 < 9.40E-02 Jy Broad-band 1990IRASF.C...0000M 2
3 25 microns (IRAS) ... <2.777E-01 Jy 1.20E+13 < 2.78E-01 Jy Broad-band 1990IRASF.C...0000M 3
4 60 microns (IRAS) 1.158E+00 +/- 7 % Jy 5.00E+12 1.16E+00 +/- 8.11E-02 Jy Broad-band IRAS quality flag = 3 1990IRASF.C...0000M 4
5 100 microns (IRAS) 2.198E+00 +/- 23 % Jy 3.00E+12 2.20E+00 +/- 5.06E-01 Jy Broad-band IRAS quality flag = 2 1990IRASF.C...0000M 5
6 1.4GHz 10.5 +/- 0.6 milliJy 1.40E+09 1.05E-02 +/- 6.00E-04 Jy Broad-band 1998AJ....115.1693C 6


Detailed Information for Each Entry

 No. 1
Reference Code : 1965CGCG5.C...0000Z
Freq. targeted : m_p                 
Measurement    :  14.9        mag                  = 4.67E-29 W m^-2^ Hz^-1^
Uncertainty    :  0.4         mag                  = 2.08E-29
Significance   : rms noise
Freq or Vel.   : 4400         A            (OBS   )= 6.81E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 023112.0        +110000. (B1950)
Spatial mode   : Estimated by eye
Notes          : From new raw data
Qualifiers     :                                         

No. 2 Reference Code : 1990IRASF.C...0000M Freq. targeted : 12 microns (IRAS) Measurement : <9.402E-02 Jy < 9.40E-28 W m^-2^ Hz^-1^ Uncertainty : Significance : 90% confidence Freq or Vel. : 12 microns (OBS )= 2.50E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 023107.7 +105903 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 3 Reference Code : 1990IRASF.C...0000M Freq. targeted : 25 microns (IRAS) Measurement : <2.777E-01 Jy < 2.78E-27 W m^-2^ Hz^-1^ Uncertainty : Significance : 90% confidence Freq or Vel. : 25 microns (OBS )= 1.20E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 023107.7 +105903 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 4 Reference Code : 1990IRASF.C...0000M Freq. targeted : 60 microns (IRAS) Measurement : 1.158E+00 Jy = 1.16E-26 W m^-2^ Hz^-1^ Uncertainty : 7 % Jy = 8.11E-28 Significance : uncertainty Freq or Vel. : 60 microns (OBS )= 5.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 023107.7 +105903 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 3
No. 5 Reference Code : 1990IRASF.C...0000M Freq. targeted : 100 microns (IRAS) Measurement : 2.198E+00 Jy = 2.20E-26 W m^-2^ Hz^-1^ Uncertainty : 23 % Jy = 5.06E-27 Significance : uncertainty Freq or Vel. : 100 microns (OBS )= 3.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 023107.7 +105903 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 2
No. 6 Reference Code : 1998AJ....115.1693C Freq. targeted : 1.4GHz Measurement : 10.5 milliJy = 1.05E-28 W m^-2^ Hz^-1^ Uncertainty : 0.6 milliJy = 6.00E-30 Significance : uncertainty Freq or Vel. : 1.40 GHz (OBS )= 1.40E+09 Hz Frequency mode : Broad-band measurement Coord. targeted: 02 33 50.09 +11 12 13.0 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers :

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