NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-18 T14:06:39 PDT
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Spectral Energy Distribution (SED) for NGC 4496:

8 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(2000) 11.4 +/- 0.3 mag 1.50E+15 1.25E-02 +/- 3.97E-03 Jy Broad-band 1987A&A...180...12D 1
2 m_p 13.3 +/- 0.4 mag 6.81E+14 2.04E-02 +/- 9.08E-03 Jy Broad-band 1961CGCG1.C...0000Z 2
3 10 microns ... <-3 milliJy 2.86E+13 < -3.00E-03 Jy Broad-band 6" aperture 1983ApJ...271..512S 3
4 12 microns (IRAS) 2.169E-01 +/- 19 % Jy 2.50E+13 2.17E-01 +/- 4.12E-02 Jy Broad-band IRAS quality flag = 2 1990IRASF.C...0000M 4
5 25 microns (IRAS) ... <4.401E-01 Jy 1.20E+13 < 4.40E-01 Jy Broad-band 1990IRASF.C...0000M 5
6 60 microns (IRAS) 3.631E+00 +/- 6 % Jy 5.00E+12 3.63E+00 +/- 2.18E-01 Jy Broad-band IRAS quality flag = 3 1990IRASF.C...0000M 6
7 100 microns (IRAS) 9.496E+00 +/- 6 % Jy 3.00E+12 9.50E+00 +/- 5.70E-01 Jy Broad-band IRAS quality flag = 2 1990IRASF.C...0000M 7
8 2380 MHz 15. +/- 3. milliJy 2.38E+09 1.50E-02 +/- 3.00E-03 Jy Broad-band 1978ApJS...36...53D 8


Detailed Information for Each Entry

 No. 1
Reference Code : 1987A&A...180...12D
Freq. targeted : m(2000)             
Measurement    :  11.4        mag                  = 1.25E-28 W m^-2^ Hz^-1^
Uncertainty    :  0.3         mag                  = 3.97E-29
Significance   : rms uncertainty
Freq or Vel.   :  2000        A            (OBS   )= 1.50E+15 Hz
Frequency mode : Broad-band measurement
Coord. targeted:
Spatial mode   : Flux integrated from map
Notes          : From new raw data
Qualifiers     :                                         

No. 2 Reference Code : 1961CGCG1.C...0000Z Freq. targeted : m_p Measurement : 13.3 mag = 2.04E-28 W m^-2^ Hz^-1^ Uncertainty : 0.4 mag = 9.08E-29 Significance : rms noise Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 122906.0 +041300. (B1950) Spatial mode : Estimated by eye Notes : From new raw data Qualifiers :
No. 3 Reference Code : 1983ApJ...271..512S Freq. targeted : 10 microns Measurement : <-3 milliJy < -3.00E-29 W m^-2^ Hz^-1^ Uncertainty : Significance : 1 sigma Freq or Vel. : 10.5 microns (OBS )= 2.86E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : 6" aperture
No. 4 Reference Code : 1990IRASF.C...0000M Freq. targeted : 12 microns (IRAS) Measurement : 2.169E-01 Jy = 2.17E-27 W m^-2^ Hz^-1^ Uncertainty : 19 % Jy = 4.12E-28 Significance : uncertainty Freq or Vel. : 12 microns (OBS )= 2.50E+13 Hz Frequency mode : Broad-band measurement Coord. targeted: 122907.9 +041219 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 2
No. 5 Reference Code : 1990IRASF.C...0000M Freq. targeted : 25 microns (IRAS) Measurement : <4.401E-01 Jy < 4.40E-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: 122907.9 +041219 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 6 Reference Code : 1990IRASF.C...0000M Freq. targeted : 60 microns (IRAS) Measurement : 3.631E+00 Jy = 3.63E-26 W m^-2^ Hz^-1^ Uncertainty : 6 % Jy = 2.18E-27 Significance : uncertainty Freq or Vel. : 60 microns (OBS )= 5.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 122907.9 +041219 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 3
No. 7 Reference Code : 1990IRASF.C...0000M Freq. targeted : 100 microns (IRAS) Measurement : 9.496E+00 Jy = 9.50E-26 W m^-2^ Hz^-1^ Uncertainty : 6 % Jy = 5.70E-27 Significance : uncertainty Freq or Vel. : 100 microns (OBS )= 3.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 122907.9 +041219 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 2
No. 8 Reference Code : 1978ApJS...36...53D Freq. targeted : 2380 MHz Measurement : 15. milliJy = 1.50E-28 W m^-2^ Hz^-1^ Uncertainty : 3. milliJy = 3.00E-29 Significance : rms uncertainty Freq or Vel. : 2380 MHz (OBS )= 2.38E+09 Hz Frequency mode : Broad-band measurement; peak value reported Coord. targeted: Spatial mode : Peak flux Notes : From new raw data Qualifiers :

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