NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-04-22 T22:39:00 PDT
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Spectral Energy Distribution (SED) for NGC 3447:

11 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 FUV (GALEX) AB 14.82 +/- 0.05 mag 1.98E+15 4.29E-03 +/- 1.97E-04 Jy Broad-band 2010A&A...511A..29M 1
2 NUV (GALEX) AB 14.55 +/- 0.03 mag 1.32E+15 5.50E-03 +/- 1.52E-04 Jy Broad-band 2010A&A...511A..29M 2
3 B (KPNO) 13.1 ... mag 6.84E+14 2.45E-02 ... Jy Broad-band 2009MNRAS.393..478H 3
4 m_p 14.3 +/- 0.4 mag 6.81E+14 8.12E-03 +/- 3.62E-03 Jy Broad-band 1963CGCG2.C...0000Z 4
5 R (KPNO) 12.3 ... mag 4.60E+14 3.70E-02 ... Jy Broad-band 2009MNRAS.393..478H 5
6 H{alpha} (KPNO) -11.9 ... log(erg/s/cm^2^) 4.57E+14 1.26E+11 ... Jy-Hz Line 2009MNRAS.393..478H 6
7 12 microns (IRAS) ... <1.711E-01 Jy 2.50E+13 < 1.71E-01 Jy Broad-band 1990IRASF.C...0000M 7
8 25 microns (IRAS) ... <2.303E-01 Jy 1.20E+13 < 2.30E-01 Jy Broad-band 1990IRASF.C...0000M 8
9 60 microns (IRAS) 5.519E-01 +/- 17 % Jy 5.00E+12 5.52E-01 +/- 9.38E-02 Jy Broad-band IRAS quality flag = 3 1990IRASF.C...0000M 9
10 100 microns (IRAS) 1.441E+00 +/- 16 % Jy 3.00E+12 1.44E+00 +/- 2.31E-01 Jy Broad-band IRAS quality flag = 2 1990IRASF.C...0000M 10
11 HI (21 cm line) 21.00 ... Jy km s^-1^ 1.42E+09 9.88E+04 ... Jy-Hz Line 1989H&RHI.C...0000H 11


Detailed Information for Each Entry

 No. 1
Reference Code : 2010A&A...511A..29M
Freq. targeted : FUV (GALEX) AB      
Measurement    :  14.82       mag                  = 4.29E-29 W m^-2^ Hz^-1^
Uncertainty    :  0.05        mag                  = 1.97E-30
Significance   : uncertainty
Freq or Vel.   :       1516   A            (OBS   )= 1.98E+15 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 10 53 23.99     +16 46 21 (J2000)
Spatial mode   : Flux in fixed aperture
Notes          : From new raw data
Qualifiers     :                                         

No. 2 Reference Code : 2010A&A...511A..29M Freq. targeted : NUV (GALEX) AB Measurement : 14.55 mag = 5.50E-29 W m^-2^ Hz^-1^ Uncertainty : 0.03 mag = 1.52E-30 Significance : uncertainty Freq or Vel. : 2267 A (OBS )= 1.32E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 10 53 23.99 +16 46 21 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 3 Reference Code : 2009MNRAS.393..478H Freq. targeted : B (KPNO) Measurement : 13.1 mag = 2.45E-28 W m^-2^ Hz^-1^ Uncertainty : mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 4381 A (OBS )= 6.84E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 10 53 26.8 +16 46 44.0 (J2000) Spatial mode : Total flux Notes : From new raw data; Extinction-corrected for Milky Way Qualifiers :
No. 4 Reference Code : 1963CGCG2.C...0000Z Freq. targeted : m_p Measurement : 14.3 mag = 8.12E-29 W m^-2^ Hz^-1^ Uncertainty : 0.4 mag = 3.62E-29 Significance : rms noise Freq or Vel. : 4400 A (OBS )= 6.81E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 105042.0 +170200. (B1950) Spatial mode : Estimated by eye Notes : From new raw data Qualifiers :
No. 5 Reference Code : 2009MNRAS.393..478H Freq. targeted : R (KPNO) Measurement : 12.3 mag = 3.70E-28 W m^-2^ Hz^-1^ Uncertainty : mag = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 6513.54 A (OBS )= 4.60E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 10 53 26.8 +16 46 44.0 (J2000) Spatial mode : Total flux Notes : From new raw data; Extinction-corrected for Milky Way Qualifiers :
No. 6 Reference Code : 2009MNRAS.393..478H Freq. targeted : H{alpha} (KPNO) Measurement : -11.9 log(erg/s/cm^2^) = 1.26E-15 W m^-2^ Uncertainty : log(erg/s/cm^2^) = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 6563 A (REST )= 4.57E+14 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 10 53 26.8 +16 46 44.0 (J2000) Spatial mode : Total flux Notes : From new raw data Qualifiers :
No. 7 Reference Code : 1990IRASF.C...0000M Freq. targeted : 12 microns (IRAS) Measurement : <1.711E-01 Jy < 1.71E-27 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: 105048.1 +170230 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 8 Reference Code : 1990IRASF.C...0000M Freq. targeted : 25 microns (IRAS) Measurement : <2.303E-01 Jy < 2.30E-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: 105048.1 +170230 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 9 Reference Code : 1990IRASF.C...0000M Freq. targeted : 60 microns (IRAS) Measurement : 5.519E-01 Jy = 5.52E-27 W m^-2^ Hz^-1^ Uncertainty : 17 % Jy = 9.38E-28 Significance : uncertainty Freq or Vel. : 60 microns (OBS )= 5.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 105048.1 +170230 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 3
No. 10 Reference Code : 1990IRASF.C...0000M Freq. targeted : 100 microns (IRAS) Measurement : 1.441E+00 Jy = 1.44E-26 W m^-2^ Hz^-1^ Uncertainty : 16 % Jy = 2.31E-27 Significance : uncertainty Freq or Vel. : 100 microns (OBS )= 3.00E+12 Hz Frequency mode : Broad-band measurement Coord. targeted: 105048.1 +170230 (B1950) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : IRAS quality flag = 2
No. 11 Reference Code : 1989H&RHI.C...0000H Freq. targeted : HI (21 cm line) Measurement : 21.00 Jy km s^-1^ = 9.88E-22 W m^-2^ Uncertainty : Jy km s^-1^ = 0.00E+00 Significance : no uncertainty reported Freq or Vel. : 21 cm (REST )= 1.42E+09 Hz Frequency mode : Line measurement; flux integrated over line; lines measured in emission Coord. targeted: 105046.5 +170244. (B1950) Spatial mode : Not reported in paper Notes : Transformed from previously published data Qualifiers :

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