NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-24 T17:26:47 PDT
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Spectral Energy Distribution (SED) for IC 2945:

7 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 15.0 +/- 0.4 mag 6.81E+14 4.26E-03 +/- 1.90E-03 Jy Broad-band 1961CGCG1.C...0000Z 1
2 J (2MASS/FLWO) 13.376 +/- 0.056 mag 2.43E+14 7.11E-03 +/- 3.67E-04 Jy Broad-band Profile-fit; Poor quality 2006AJ....131.1163S 2
3 J (2MASS/FLWO) 13.039 +/- 0.009 mag 2.43E+14 9.70E-03 +/- 8.04E-05 Jy Broad-band 4" aperture 2006AJ....131.1163S 3
4 H (2MASS/FLWO) 12.317 +/- 0.016 mag 1.80E+14 1.21E-02 +/- 1.79E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 4
5 H (2MASS/FLWO) 12.984 +/- 0.09 mag 1.80E+14 6.56E-03 +/- 5.44E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 5
6 K_s (2MASS/FLWO) 12.549 +/- 0.07 mag 1.39E+14 6.37E-03 +/- 4.11E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 6
7 K_s (2MASS/FLWO) 11.997 +/- 0.013 mag 1.39E+14 1.06E-02 +/- 1.27E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 7


Detailed Information for Each Entry

 No. 1
Reference Code : 1961CGCG1.C...0000Z
Freq. targeted : m_p                 
Measurement    :  15.0        mag                  = 4.26E-29 W m^-2^ Hz^-1^
Uncertainty    :  0.4         mag                  = 1.90E-29
Significance   : rms noise
Freq or Vel.   : 4400         A            (OBS   )= 6.81E+14 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 113430.0        +131200. (B1950)
Spatial mode   : Estimated by eye
Notes          : From new raw data
Qualifiers     :                                         

No. 2 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 13.376 mag = 7.11E-29 W m^-2^ Hz^-1^ Uncertainty : 0.056 mag = 3.67E-30 Significance : uncertainty Freq or Vel. : 1.235 microns (OBS )= 2.43E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Profile-fit; Poor quality
No. 3 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 13.039 mag = 9.70E-29 W m^-2^ Hz^-1^ Uncertainty : 0.009 mag = 8.04E-31 Significance : uncertainty Freq or Vel. : 1.235 microns (OBS )= 2.43E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 4" aperture
No. 4 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 12.317 mag = 1.21E-28 W m^-2^ Hz^-1^ Uncertainty : 0.016 mag = 1.79E-30 Significance : uncertainty Freq or Vel. : 1.662 microns (OBS )= 1.80E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 4" aperture
No. 5 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 12.984 mag = 6.56E-29 W m^-2^ Hz^-1^ Uncertainty : 0.09 mag = 5.44E-30 Significance : uncertainty Freq or Vel. : 1.662 microns (OBS )= 1.80E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Profile-fit
No. 6 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 12.549 mag = 6.37E-29 W m^-2^ Hz^-1^ Uncertainty : 0.07 mag = 4.11E-30 Significance : uncertainty Freq or Vel. : 2.159 microns (OBS )= 1.39E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Profile-fit
No. 7 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 11.997 mag = 1.06E-28 W m^-2^ Hz^-1^ Uncertainty : 0.013 mag = 1.27E-30 Significance : uncertainty Freq or Vel. : 2.159 microns (OBS )= 1.39E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 4" aperture

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