NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2019-06-25 T17:30:13 PDT
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Spectral Energy Distribution (SED) for NGC 7431:

23 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 ... >21.4064 mag 1.95E+15 < 9.94E-06 Jy Broad-band upper limit inside NUV Kron aperture 2012GASC..C...0000S 1
2 FUV (GALEX) AB 23.1666 +/- 0.808027 mag 1.95E+15 1.97E-06 +/- 1.46E-06 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 2
3 FUV (GALEX) AB ... >22.9460 mag 1.95E+15 < 2.41E-06 Jy Broad-band upper limit inside NUV Kron aperture 2012GMSC..C...0000S 3
4 FUV (GALEX) AB 24.8522 +/- 0.765814 mag 1.95E+15 4.16E-07 +/- 2.93E-07 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GMSC..C...0000S 4
5 NUV (GALEX) AB 19.7142 +/- 0.0806221 mag 1.29E+15 4.72E-05 +/- 3.51E-06 Jy Broad-band Kron flux in elliptical aperture 2012GASC..C...0000S 5
6 NUV (GALEX) AB 20.2397 +/- 0.100093 mag 1.29E+15 2.91E-05 +/- 2.68E-06 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GASC..C...0000S 6
7 NUV (GALEX) AB 19.6461 +/- 0.0226083 mag 1.29E+15 5.03E-05 +/- 1.05E-06 Jy Broad-band Kron flux in elliptical aperture 2012GMSC..C...0000S 7
8 NUV (GALEX) AB 20.1342 +/- 0.0248381 mag 1.29E+15 3.21E-05 +/- 7.34E-07 Jy Broad-band Flux in 7.5 arcsec diameter aperture 2012GMSC..C...0000S 8
9 J (2MASS/FLWO) 13.745 +/- 0.016 mag 2.43E+14 5.06E-03 +/- 7.46E-05 Jy Broad-band 4" aperture 2006AJ....131.1163S 9
10 J (2MASS/FLWO) 13.925 +/- 0.05 mag 2.43E+14 4.29E-03 +/- 1.98E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 10
11 J 13.827 +/- 0.043 mag 2.40E+14 4.69E-03 +/- 1.89E-04 Jy Broad-band 13.0 x 10.1 arcsec integration area. 20032MASX.C.......: 11
12 J_14arcsec (2MASS) 13.763 +/- 0.040 mag 2.40E+14 4.97E-03 +/- 1.87E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 12
13 J 13.637 +/- 0.055 mag 2.40E+14 5.59E-03 +/- 2.90E-04 Jy Broad-band 20032MASX.C.......: 13
14 H_14arcsec (2MASS) 13.076 +/- 0.047 mag 1.82E+14 6.02E-03 +/- 2.67E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 14
15 H 13.173 +/- 0.051 mag 1.82E+14 5.51E-03 +/- 2.65E-04 Jy Broad-band 13.0 x 10.1 arcsec integration area. 20032MASX.C.......: 15
16 H 12.974 +/- 0.066 mag 1.82E+14 6.62E-03 +/- 4.15E-04 Jy Broad-band 20032MASX.C.......: 16
17 H (2MASS/FLWO) 13.406 +/- 0.043 mag 1.80E+14 4.45E-03 +/- 1.76E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 17
18 H (2MASS/FLWO) 13.642 +/- 0.079 mag 1.80E+14 3.58E-03 +/- 2.60E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 18
19 K_s (2MASS/FLWO) 13.296 +/- 0.047 mag 1.39E+14 3.20E-03 +/- 1.39E-04 Jy Broad-band 4" aperture 2006AJ....131.1163S 19
20 K_s (2MASS/FLWO) 13.546 +/- 0.076 mag 1.39E+14 2.54E-03 +/- 1.78E-04 Jy Broad-band Profile-fit 2006AJ....131.1163S 20
21 K_s_14arcsec (2MASS) 12.852 +/- 0.058 mag 1.38E+14 4.82E-03 +/- 2.65E-04 Jy Broad-band 14.0 x 14.0 arcsec aperture. 20032MASX.C.......: 21
22 K_s 12.790 +/- 0.084 mag 1.38E+14 5.11E-03 +/- 4.11E-04 Jy Broad-band 20032MASX.C.......: 22
23 K_s 12.894 +/- 0.061 mag 1.38E+14 4.64E-03 +/- 2.68E-04 Jy Broad-band 13.0 x 10.1 arcsec integration area. 20032MASX.C.......: 23


Detailed Information for Each Entry

 No. 1
Reference Code : 2012GASC..C...0000S
Freq. targeted : FUV (GALEX) AB      
Measurement    : >21.4064     mag                  < 9.94E-32 W m^-2^ Hz^-1^      
Uncertainty    :
Significance   : 3 sigma
Freq or Vel.   : 1538.6       A            (OBS   )= 1.95E+15 Hz
Frequency mode : Broad-band measurement
Coord. targeted: 344.41110713721 26.164382102600 (J2000)
Spatial mode   : Flux integrated from map
Notes          : From new raw data
Qualifiers     : upper limit inside NUV Kron aperture    

No. 2 Reference Code : 2012GASC..C...0000S Freq. targeted : FUV (GALEX) AB Measurement : 23.1666 mag = 1.97E-32 W m^-2^ Hz^-1^ Uncertainty : 0.808027 mag = 1.46E-32 Significance : uncertainty Freq or Vel. : 1538.6 A (OBS )= 1.95E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 344.41110713721 26.164382102600 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Flux in 7.5 arcsec diameter aperture
No. 3 Reference Code : 2012GMSC..C...0000S Freq. targeted : FUV (GALEX) AB Measurement : >22.9460 mag < 2.41E-32 W m^-2^ Hz^-1^ Uncertainty : Significance : 3 sigma Freq or Vel. : 1538.6 A (OBS )= 1.95E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 344.41099822865 26.164400337142 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : upper limit inside NUV Kron aperture
No. 4 Reference Code : 2012GMSC..C...0000S Freq. targeted : FUV (GALEX) AB Measurement : 24.8522 mag = 4.16E-33 W m^-2^ Hz^-1^ Uncertainty : 0.765814 mag = 2.93E-33 Significance : uncertainty Freq or Vel. : 1538.6 A (OBS )= 1.95E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 344.41099822865 26.164400337142 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Flux in 7.5 arcsec diameter aperture
No. 5 Reference Code : 2012GASC..C...0000S Freq. targeted : NUV (GALEX) AB Measurement : 19.7142 mag = 4.72E-31 W m^-2^ Hz^-1^ Uncertainty : 0.0806221 mag = 3.51E-32 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 344.41110713721 26.164382102600 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Kron flux in elliptical aperture
No. 6 Reference Code : 2012GASC..C...0000S Freq. targeted : NUV (GALEX) AB Measurement : 20.2397 mag = 2.91E-31 W m^-2^ Hz^-1^ Uncertainty : 0.100093 mag = 2.68E-32 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 344.41110713721 26.164382102600 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Flux in 7.5 arcsec diameter aperture
No. 7 Reference Code : 2012GMSC..C...0000S Freq. targeted : NUV (GALEX) AB Measurement : 19.6461 mag = 5.03E-31 W m^-2^ Hz^-1^ Uncertainty : 0.0226083 mag = 1.05E-32 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 344.41099822865 26.164400337142 (J2000) Spatial mode : Flux integrated from map Notes : From new raw data Qualifiers : Kron flux in elliptical aperture
No. 8 Reference Code : 2012GMSC..C...0000S Freq. targeted : NUV (GALEX) AB Measurement : 20.1342 mag = 3.21E-31 W m^-2^ Hz^-1^ Uncertainty : 0.0248381 mag = 7.34E-33 Significance : uncertainty Freq or Vel. : 2315.7 A (OBS )= 1.29E+15 Hz Frequency mode : Broad-band measurement Coord. targeted: 344.41099822865 26.164400337142 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers : Flux in 7.5 arcsec diameter aperture
No. 9 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 13.745 mag = 5.06E-29 W m^-2^ Hz^-1^ Uncertainty : 0.016 mag = 7.46E-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. 10 Reference Code : 2006AJ....131.1163S Freq. targeted : J (2MASS/FLWO) Measurement : 13.925 mag = 4.29E-29 W m^-2^ Hz^-1^ Uncertainty : 0.05 mag = 1.98E-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
No. 11 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 13.827 mag = 4.69E-29 W m^-2^ Hz^-1^ Uncertainty : 0.043 mag = 1.89E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 225738.98 +260951.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 13.0 x 10.1 arcsec integration area.
No. 12 Reference Code : 20032MASX.C.......: Freq. targeted : J_14arcsec (2MASS) Measurement : 13.763 mag = 4.97E-29 W m^-2^ Hz^-1^ Uncertainty : 0.040 mag = 1.87E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 225738.98 +260951.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 13 Reference Code : 20032MASX.C.......: Freq. targeted : J Measurement : 13.637 mag = 5.59E-29 W m^-2^ Hz^-1^ Uncertainty : 0.055 mag = 2.90E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.25 microns (OBS )= 2.40E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 225738.98 +260951.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 14 Reference Code : 20032MASX.C.......: Freq. targeted : H_14arcsec (2MASS) Measurement : 13.076 mag = 6.02E-29 W m^-2^ Hz^-1^ Uncertainty : 0.047 mag = 2.66E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 225738.98 +260951.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 15 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 13.173 mag = 5.51E-29 W m^-2^ Hz^-1^ Uncertainty : 0.051 mag = 2.65E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 225738.98 +260951.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 13.0 x 10.1 arcsec integration area.
No. 16 Reference Code : 20032MASX.C.......: Freq. targeted : H Measurement : 12.974 mag = 6.62E-29 W m^-2^ Hz^-1^ Uncertainty : 0.066 mag = 4.15E-30 Significance : 1 sigma uncert. Freq or Vel. : 1.65 microns (OBS )= 1.82E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 225738.98 +260951.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 17 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 13.406 mag = 4.45E-29 W m^-2^ Hz^-1^ Uncertainty : 0.043 mag = 1.76E-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. 18 Reference Code : 2006AJ....131.1163S Freq. targeted : H (2MASS/FLWO) Measurement : 13.642 mag = 3.58E-29 W m^-2^ Hz^-1^ Uncertainty : 0.079 mag = 2.60E-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. 19 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 13.296 mag = 3.20E-29 W m^-2^ Hz^-1^ Uncertainty : 0.047 mag = 1.39E-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
No. 20 Reference Code : 2006AJ....131.1163S Freq. targeted : K_s (2MASS/FLWO) Measurement : 13.546 mag = 2.54E-29 W m^-2^ Hz^-1^ Uncertainty : 0.076 mag = 1.78E-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. 21 Reference Code : 20032MASX.C.......: Freq. targeted : K_s_14arcsec (2MASS) Measurement : 12.852 mag = 4.82E-29 W m^-2^ Hz^-1^ Uncertainty : 0.058 mag = 2.65E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 225738.98 +260951.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 14.0 x 14.0 arcsec aperture.
No. 22 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 12.790 mag = 5.10E-29 W m^-2^ Hz^-1^ Uncertainty : 0.084 mag = 4.11E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 225738.98 +260951.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data Qualifiers :
No. 23 Reference Code : 20032MASX.C.......: Freq. targeted : K_s Measurement : 12.894 mag = 4.64E-29 W m^-2^ Hz^-1^ Uncertainty : 0.061 mag = 2.68E-30 Significance : 1 sigma uncert. Freq or Vel. : 2.17 microns (OBS )= 1.38E+14 Hz Frequency mode : Broad-band measurement Coord. targeted: 225738.98 +260951.4 (J2000) Spatial mode : Flux in fixed aperture Notes : From new raw data; Corrected for contaminating sources Qualifiers : 13.0 x 10.1 arcsec integration area.

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